Mercurial > vim
annotate runtime/doc/eval.txt @ 9407:619a98a67f67
commit https://github.com/vim/vim/commit/e18dbe865d190e74fb5d43ac8bc6ac22507d0223
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Jul 2 21:42:23 2016 +0200
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| date | Sat, 02 Jul 2016 21:45:06 +0200 |
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1 *eval.txt* For Vim version 7.4. Last change: 2016 Jul 02 |
| 1621 | 2 |
| 3 | |
| 4 VIM REFERENCE MANUAL by Bram Moolenaar | |
| 7 | 5 |
| 6 | |
| 7 Expression evaluation *expression* *expr* *E15* *eval* | |
| 8 | |
| 9 Using expressions is introduced in chapter 41 of the user manual |usr_41.txt|. | |
| 10 | |
| 11 Note: Expression evaluation can be disabled at compile time. If this has been | |
| 1621 | 12 done, the features in this document are not available. See |+eval| and |
| 99 | 13 |no-eval-feature|. |
| 7 | 14 |
| 85 | 15 1. Variables |variables| |
| 16 1.1 Variable types | |
| 87 | 17 1.2 Function references |Funcref| |
| 161 | 18 1.3 Lists |Lists| |
| 99 | 19 1.4 Dictionaries |Dictionaries| |
| 20 1.5 More about variables |more-variables| | |
| 85 | 21 2. Expression syntax |expression-syntax| |
| 22 3. Internal variable |internal-variables| | |
| 23 4. Builtin Functions |functions| | |
| 24 5. Defining functions |user-functions| | |
| 25 6. Curly braces names |curly-braces-names| | |
| 26 7. Commands |expression-commands| | |
| 27 8. Exception handling |exception-handling| | |
| 28 9. Examples |eval-examples| | |
| 29 10. No +eval feature |no-eval-feature| | |
| 30 11. The sandbox |eval-sandbox| | |
| 634 | 31 12. Textlock |textlock| |
| 7 | 32 |
| 33 {Vi does not have any of these commands} | |
| 34 | |
| 35 ============================================================================== | |
| 36 1. Variables *variables* | |
| 37 | |
| 85 | 38 1.1 Variable types ~ |
| 114 | 39 *E712* |
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40 There are nine types of variables: |
| 1621 | 41 |
| 3082 | 42 Number A 32 or 64 bit signed number. |expr-number| *Number* |
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43 64-bit Number is available only when compiled with the |
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44 |+num64| feature. |
| 99 | 45 Examples: -123 0x10 0177 |
| 46 | |
| 1621 | 47 Float A floating point number. |floating-point-format| *Float* |
| 48 {only when compiled with the |+float| feature} | |
| 49 Examples: 123.456 1.15e-6 -1.1e3 | |
| 50 | |
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51 *E928* |
| 99 | 52 String A NUL terminated string of 8-bit unsigned characters (bytes). |
| 1621 | 53 |expr-string| Examples: "ab\txx\"--" 'x-z''a,c' |
| 99 | 54 |
| 55 List An ordered sequence of items |List|. | |
| 56 Example: [1, 2, ['a', 'b']] | |
| 55 | 57 |
| 370 | 58 Dictionary An associative, unordered array: Each entry has a key and a |
| 59 value. |Dictionary| | |
| 60 Example: {'blue': "#0000ff", 'red': "#ff0000"} | |
| 61 | |
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62 Funcref A reference to a function |Funcref|. |
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63 Example: function("strlen") |
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64 It can be bound to a dictionary and arguments, it then works |
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65 like a Partial. |
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66 Example: function("Callback", [arg], myDict) |
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67 |
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68 Special |v:false|, |v:true|, |v:none| and |v:null|. *Special* |
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69 |
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70 Job Used for a job, see |job_start()|. *Job* *Jobs* |
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71 |
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72 Channel Used for a channel, see |ch_open()|. *Channel* *Channels* |
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73 |
| 55 | 74 The Number and String types are converted automatically, depending on how they |
| 75 are used. | |
| 7 | 76 |
| 77 Conversion from a Number to a String is by making the ASCII representation of | |
| 2581 | 78 the Number. Examples: |
| 79 Number 123 --> String "123" ~ | |
| 80 Number 0 --> String "0" ~ | |
| 81 Number -1 --> String "-1" ~ | |
| 2152 | 82 *octal* |
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83 Conversion from a String to a Number is done by converting the first digits to |
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84 a number. Hexadecimal "0xf9", Octal "017", and Binary "0b10" numbers are |
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85 recognized. If the String doesn't start with digits, the result is zero. |
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86 Examples: |
| 2581 | 87 String "456" --> Number 456 ~ |
| 88 String "6bar" --> Number 6 ~ | |
| 89 String "foo" --> Number 0 ~ | |
| 90 String "0xf1" --> Number 241 ~ | |
| 91 String "0100" --> Number 64 ~ | |
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92 String "0b101" --> Number 5 ~ |
| 2581 | 93 String "-8" --> Number -8 ~ |
| 94 String "+8" --> Number 0 ~ | |
| 7 | 95 |
| 96 To force conversion from String to Number, add zero to it: > | |
| 97 :echo "0100" + 0 | |
| 782 | 98 < 64 ~ |
| 99 | |
| 100 To avoid a leading zero to cause octal conversion, or for using a different | |
| 101 base, use |str2nr()|. | |
| 7 | 102 |
| 103 For boolean operators Numbers are used. Zero is FALSE, non-zero is TRUE. | |
| 104 | |
| 105 Note that in the command > | |
| 106 :if "foo" | |
| 107 "foo" is converted to 0, which means FALSE. To test for a non-empty string, | |
| 3893 | 108 use empty(): > |
| 109 :if !empty("foo") | |
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110 < |
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111 *E745* *E728* *E703* *E729* *E730* *E731* *E908* *E910* *E913* |
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112 List, Dictionary, Funcref and Job types are not automatically converted. |
| 85 | 113 |
| 1621 | 114 *E805* *E806* *E808* |
| 115 When mixing Number and Float the Number is converted to Float. Otherwise | |
| 116 there is no automatic conversion of Float. You can use str2float() for String | |
| 117 to Float, printf() for Float to String and float2nr() for Float to Number. | |
| 118 | |
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119 *E891* *E892* *E893* *E894* *E907* *E911* *E914* |
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120 When expecting a Float a Number can also be used, but nothing else. |
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121 |
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122 *no-type-checking* |
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123 You will not get an error if you try to change the type of a variable. |
| 85 | 124 |
| 125 | |
| 87 | 126 1.2 Function references ~ |
| 153 | 127 *Funcref* *E695* *E718* |
| 1621 | 128 A Funcref variable is obtained with the |function()| function. It can be used |
| 114 | 129 in an expression in the place of a function name, before the parenthesis |
| 130 around the arguments, to invoke the function it refers to. Example: > | |
| 55 | 131 |
| 132 :let Fn = function("MyFunc") | |
| 133 :echo Fn() | |
| 114 | 134 < *E704* *E705* *E707* |
| 819 | 135 A Funcref variable must start with a capital, "s:", "w:", "t:" or "b:". You |
| 5340 | 136 can use "g:" but the following name must still start with a capital. You |
| 819 | 137 cannot have both a Funcref variable and a function with the same name. |
| 85 | 138 |
| 114 | 139 A special case is defining a function and directly assigning its Funcref to a |
| 140 Dictionary entry. Example: > | |
| 141 :function dict.init() dict | |
| 142 : let self.val = 0 | |
| 143 :endfunction | |
| 144 | |
| 145 The key of the Dictionary can start with a lower case letter. The actual | |
| 146 function name is not used here. Also see |numbered-function|. | |
| 147 | |
| 148 A Funcref can also be used with the |:call| command: > | |
| 149 :call Fn() | |
| 150 :call dict.init() | |
| 85 | 151 |
| 152 The name of the referenced function can be obtained with |string()|. > | |
| 119 | 153 :let func = string(Fn) |
| 85 | 154 |
| 155 You can use |call()| to invoke a Funcref and use a list variable for the | |
| 156 arguments: > | |
| 119 | 157 :let r = call(Fn, mylist) |
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158 < |
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159 *Partial* |
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160 A Funcref optionally binds a Dictionary and/or arguments. This is also called |
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161 a Partial. This is created by passing the Dictionary and/or arguments to |
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162 function(). When calling the function the Dictionary and/or arguments will be |
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163 passed to the function. Example: > |
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164 |
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165 let Cb = function('Callback', ['foo'], myDict) |
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166 call Cb() |
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167 |
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168 This will invoke the function as if using: > |
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169 call myDict.Callback('foo') |
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170 |
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171 This is very useful when passing a function around, e.g. in the arguments of |
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172 |ch_open()|. |
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173 |
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174 Note that binding a function to a Dictionary also happens when the function is |
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175 a member of the Dictionary: > |
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176 |
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177 let myDict.myFunction = MyFunction |
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178 call myDict.myFunction() |
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179 |
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180 Here MyFunction() will get myDict passed as "self". This happens when the |
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181 "myFunction" member is accessed. When making assigning "myFunction" to |
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182 otherDict and calling it, it will be bound to otherDict: > |
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183 |
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184 let otherDict.myFunction = myDict.myFunction |
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185 call otherDict.myFunction() |
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186 |
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187 Now "self" will be "otherDict". But when the dictionary was bound explicitly |
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188 this won't happen: > |
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189 |
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190 let myDict.myFunction = function(MyFunction, myDict) |
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191 let otherDict.myFunction = myDict.myFunction |
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192 call otherDict.myFunction() |
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193 |
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194 Here "self" will be "myDict", because it was bound explitly. |
| 85 | 195 |
| 196 | |
| 87 | 197 1.3 Lists ~ |
| 5814 | 198 *list* *List* *Lists* *E686* |
| 55 | 199 A List is an ordered sequence of items. An item can be of any type. Items |
| 1621 | 200 can be accessed by their index number. Items can be added and removed at any |
| 55 | 201 position in the sequence. |
| 202 | |
| 85 | 203 |
| 204 List creation ~ | |
| 205 *E696* *E697* | |
| 55 | 206 A List is created with a comma separated list of items in square brackets. |
| 85 | 207 Examples: > |
| 208 :let mylist = [1, two, 3, "four"] | |
| 209 :let emptylist = [] | |
| 55 | 210 |
| 1621 | 211 An item can be any expression. Using a List for an item creates a |
| 842 | 212 List of Lists: > |
| 85 | 213 :let nestlist = [[11, 12], [21, 22], [31, 32]] |
| 55 | 214 |
| 215 An extra comma after the last item is ignored. | |
| 216 | |
| 85 | 217 |
| 218 List index ~ | |
| 219 *list-index* *E684* | |
| 55 | 220 An item in the List can be accessed by putting the index in square brackets |
| 85 | 221 after the List. Indexes are zero-based, thus the first item has index zero. > |
| 222 :let item = mylist[0] " get the first item: 1 | |
| 55 | 223 :let item = mylist[2] " get the third item: 3 |
| 85 | 224 |
| 87 | 225 When the resulting item is a list this can be repeated: > |
| 85 | 226 :let item = nestlist[0][1] " get the first list, second item: 12 |
| 55 | 227 < |
| 85 | 228 A negative index is counted from the end. Index -1 refers to the last item in |
| 229 the List, -2 to the last but one item, etc. > | |
| 55 | 230 :let last = mylist[-1] " get the last item: "four" |
| 231 | |
| 85 | 232 To avoid an error for an invalid index use the |get()| function. When an item |
| 87 | 233 is not available it returns zero or the default value you specify: > |
| 85 | 234 :echo get(mylist, idx) |
| 235 :echo get(mylist, idx, "NONE") | |
| 236 | |
| 237 | |
| 238 List concatenation ~ | |
| 239 | |
| 240 Two lists can be concatenated with the "+" operator: > | |
| 241 :let longlist = mylist + [5, 6] | |
| 119 | 242 :let mylist += [7, 8] |
| 85 | 243 |
| 244 To prepend or append an item turn the item into a list by putting [] around | |
| 245 it. To change a list in-place see |list-modification| below. | |
| 246 | |
| 247 | |
| 248 Sublist ~ | |
| 249 | |
| 55 | 250 A part of the List can be obtained by specifying the first and last index, |
| 251 separated by a colon in square brackets: > | |
| 85 | 252 :let shortlist = mylist[2:-1] " get List [3, "four"] |
| 55 | 253 |
| 254 Omitting the first index is similar to zero. Omitting the last index is | |
| 1156 | 255 similar to -1. > |
| 90 | 256 :let endlist = mylist[2:] " from item 2 to the end: [3, "four"] |
| 257 :let shortlist = mylist[2:2] " List with one item: [3] | |
| 258 :let otherlist = mylist[:] " make a copy of the List | |
| 85 | 259 |
| 842 | 260 If the first index is beyond the last item of the List or the second item is |
| 261 before the first item, the result is an empty list. There is no error | |
| 262 message. | |
| 263 | |
| 264 If the second index is equal to or greater than the length of the list the | |
| 265 length minus one is used: > | |
| 829 | 266 :let mylist = [0, 1, 2, 3] |
| 267 :echo mylist[2:8] " result: [2, 3] | |
| 268 | |
| 270 | 269 NOTE: mylist[s:e] means using the variable "s:e" as index. Watch out for |
| 1621 | 270 using a single letter variable before the ":". Insert a space when needed: |
| 270 | 271 mylist[s : e]. |
| 272 | |
| 85 | 273 |
| 274 List identity ~ | |
| 99 | 275 *list-identity* |
| 85 | 276 When variable "aa" is a list and you assign it to another variable "bb", both |
| 277 variables refer to the same list. Thus changing the list "aa" will also | |
| 278 change "bb": > | |
| 279 :let aa = [1, 2, 3] | |
| 280 :let bb = aa | |
| 281 :call add(aa, 4) | |
| 282 :echo bb | |
| 114 | 283 < [1, 2, 3, 4] |
| 85 | 284 |
| 285 Making a copy of a list is done with the |copy()| function. Using [:] also | |
| 286 works, as explained above. This creates a shallow copy of the list: Changing | |
| 87 | 287 a list item in the list will also change the item in the copied list: > |
| 85 | 288 :let aa = [[1, 'a'], 2, 3] |
| 289 :let bb = copy(aa) | |
| 114 | 290 :call add(aa, 4) |
| 85 | 291 :let aa[0][1] = 'aaa' |
| 292 :echo aa | |
| 114 | 293 < [[1, aaa], 2, 3, 4] > |
| 85 | 294 :echo bb |
| 114 | 295 < [[1, aaa], 2, 3] |
| 85 | 296 |
| 87 | 297 To make a completely independent list use |deepcopy()|. This also makes a |
| 114 | 298 copy of the values in the list, recursively. Up to a hundred levels deep. |
| 85 | 299 |
| 300 The operator "is" can be used to check if two variables refer to the same | |
| 114 | 301 List. "isnot" does the opposite. In contrast "==" compares if two lists have |
| 87 | 302 the same value. > |
| 303 :let alist = [1, 2, 3] | |
| 304 :let blist = [1, 2, 3] | |
| 305 :echo alist is blist | |
| 114 | 306 < 0 > |
| 87 | 307 :echo alist == blist |
| 114 | 308 < 1 |
| 85 | 309 |
| 323 | 310 Note about comparing lists: Two lists are considered equal if they have the |
| 311 same length and all items compare equal, as with using "==". There is one | |
| 388 | 312 exception: When comparing a number with a string they are considered |
| 313 different. There is no automatic type conversion, as with using "==" on | |
| 314 variables. Example: > | |
| 315 echo 4 == "4" | |
| 323 | 316 < 1 > |
| 388 | 317 echo [4] == ["4"] |
| 323 | 318 < 0 |
| 319 | |
| 388 | 320 Thus comparing Lists is more strict than comparing numbers and strings. You |
| 1621 | 321 can compare simple values this way too by putting them in a list: > |
| 388 | 322 |
| 323 :let a = 5 | |
| 324 :let b = "5" | |
| 1621 | 325 :echo a == b |
| 388 | 326 < 1 > |
| 1621 | 327 :echo [a] == [b] |
| 388 | 328 < 0 |
| 323 | 329 |
| 85 | 330 |
| 331 List unpack ~ | |
| 332 | |
| 333 To unpack the items in a list to individual variables, put the variables in | |
| 334 square brackets, like list items: > | |
| 335 :let [var1, var2] = mylist | |
| 336 | |
| 337 When the number of variables does not match the number of items in the list | |
| 338 this produces an error. To handle any extra items from the list append ";" | |
| 339 and a variable name: > | |
| 340 :let [var1, var2; rest] = mylist | |
| 341 | |
| 342 This works like: > | |
| 343 :let var1 = mylist[0] | |
| 344 :let var2 = mylist[1] | |
| 95 | 345 :let rest = mylist[2:] |
| 85 | 346 |
| 347 Except that there is no error if there are only two items. "rest" will be an | |
| 348 empty list then. | |
| 349 | |
| 350 | |
| 351 List modification ~ | |
| 352 *list-modification* | |
| 87 | 353 To change a specific item of a list use |:let| this way: > |
| 85 | 354 :let list[4] = "four" |
| 355 :let listlist[0][3] = item | |
| 356 | |
| 87 | 357 To change part of a list you can specify the first and last item to be |
| 114 | 358 modified. The value must at least have the number of items in the range: > |
| 87 | 359 :let list[3:5] = [3, 4, 5] |
| 360 | |
| 85 | 361 Adding and removing items from a list is done with functions. Here are a few |
| 362 examples: > | |
| 363 :call insert(list, 'a') " prepend item 'a' | |
| 364 :call insert(list, 'a', 3) " insert item 'a' before list[3] | |
| 365 :call add(list, "new") " append String item | |
| 114 | 366 :call add(list, [1, 2]) " append a List as one new item |
| 85 | 367 :call extend(list, [1, 2]) " extend the list with two more items |
| 368 :let i = remove(list, 3) " remove item 3 | |
| 108 | 369 :unlet list[3] " idem |
| 85 | 370 :let l = remove(list, 3, -1) " remove items 3 to last item |
| 108 | 371 :unlet list[3 : ] " idem |
| 114 | 372 :call filter(list, 'v:val !~ "x"') " remove items with an 'x' |
| 373 | |
| 374 Changing the order of items in a list: > | |
| 87 | 375 :call sort(list) " sort a list alphabetically |
| 376 :call reverse(list) " reverse the order of items | |
| 5747 | 377 :call uniq(sort(list)) " sort and remove duplicates |
| 87 | 378 |
| 85 | 379 |
| 380 For loop ~ | |
| 381 | |
| 87 | 382 The |:for| loop executes commands for each item in a list. A variable is set |
| 383 to each item in the list in sequence. Example: > | |
| 114 | 384 :for item in mylist |
| 385 : call Doit(item) | |
| 85 | 386 :endfor |
| 387 | |
| 388 This works like: > | |
| 389 :let index = 0 | |
| 390 :while index < len(mylist) | |
| 114 | 391 : let item = mylist[index] |
| 392 : :call Doit(item) | |
| 85 | 393 : let index = index + 1 |
| 394 :endwhile | |
| 395 | |
| 95 | 396 If all you want to do is modify each item in the list then the |map()| |
| 114 | 397 function will be a simpler method than a for loop. |
| 95 | 398 |
| 1621 | 399 Just like the |:let| command, |:for| also accepts a list of variables. This |
| 85 | 400 requires the argument to be a list of lists. > |
| 401 :for [lnum, col] in [[1, 3], [2, 8], [3, 0]] | |
| 402 : call Doit(lnum, col) | |
| 403 :endfor | |
| 404 | |
| 405 This works like a |:let| command is done for each list item. Again, the types | |
| 406 must remain the same to avoid an error. | |
| 407 | |
| 114 | 408 It is also possible to put remaining items in a List variable: > |
| 85 | 409 :for [i, j; rest] in listlist |
| 410 : call Doit(i, j) | |
| 411 : if !empty(rest) | |
| 412 : echo "remainder: " . string(rest) | |
| 413 : endif | |
| 414 :endfor | |
| 415 | |
| 416 | |
| 417 List functions ~ | |
| 114 | 418 *E714* |
| 85 | 419 Functions that are useful with a List: > |
| 87 | 420 :let r = call(funcname, list) " call a function with an argument list |
| 85 | 421 :if empty(list) " check if list is empty |
| 102 | 422 :let l = len(list) " number of items in list |
| 423 :let big = max(list) " maximum value in list | |
| 424 :let small = min(list) " minimum value in list | |
| 87 | 425 :let xs = count(list, 'x') " count nr of times 'x' appears in list |
| 426 :let i = index(list, 'x') " index of first 'x' in list | |
| 85 | 427 :let lines = getline(1, 10) " get ten text lines from buffer |
| 428 :call append('$', lines) " append text lines in buffer | |
| 95 | 429 :let list = split("a b c") " create list from items in a string |
| 430 :let string = join(list, ', ') " create string from list items | |
| 102 | 431 :let s = string(list) " String representation of list |
| 432 :call map(list, '">> " . v:val') " prepend ">> " to each item | |
| 99 | 433 |
| 258 | 434 Don't forget that a combination of features can make things simple. For |
| 435 example, to add up all the numbers in a list: > | |
| 436 :exe 'let sum = ' . join(nrlist, '+') | |
| 437 | |
| 99 | 438 |
| 439 1.4 Dictionaries ~ | |
| 5814 | 440 *dict* *Dictionaries* *Dictionary* |
| 99 | 441 A Dictionary is an associative array: Each entry has a key and a value. The |
| 114 | 442 entry can be located with the key. The entries are stored without a specific |
| 443 ordering. | |
| 99 | 444 |
| 445 | |
| 446 Dictionary creation ~ | |
| 114 | 447 *E720* *E721* *E722* *E723* |
| 99 | 448 A Dictionary is created with a comma separated list of entries in curly |
| 114 | 449 braces. Each entry has a key and a value, separated by a colon. Each key can |
| 450 only appear once. Examples: > | |
| 99 | 451 :let mydict = {1: 'one', 2: 'two', 3: 'three'} |
| 452 :let emptydict = {} | |
| 114 | 453 < *E713* *E716* *E717* |
| 99 | 454 A key is always a String. You can use a Number, it will be converted to a |
| 455 String automatically. Thus the String '4' and the number 4 will find the same | |
| 1621 | 456 entry. Note that the String '04' and the Number 04 are different, since the |
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457 Number will be converted to the String '4'. The empty string can be used as a |
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458 key. |
| 114 | 459 |
| 1621 | 460 A value can be any expression. Using a Dictionary for a value creates a |
| 99 | 461 nested Dictionary: > |
| 462 :let nestdict = {1: {11: 'a', 12: 'b'}, 2: {21: 'c'}} | |
| 463 | |
| 464 An extra comma after the last entry is ignored. | |
| 465 | |
| 466 | |
| 467 Accessing entries ~ | |
| 468 | |
| 469 The normal way to access an entry is by putting the key in square brackets: > | |
| 470 :let val = mydict["one"] | |
| 471 :let mydict["four"] = 4 | |
| 472 | |
| 114 | 473 You can add new entries to an existing Dictionary this way, unlike Lists. |
| 99 | 474 |
| 475 For keys that consist entirely of letters, digits and underscore the following | |
| 476 form can be used |expr-entry|: > | |
| 477 :let val = mydict.one | |
| 478 :let mydict.four = 4 | |
| 479 | |
| 480 Since an entry can be any type, also a List and a Dictionary, the indexing and | |
| 481 key lookup can be repeated: > | |
| 114 | 482 :echo dict.key[idx].key |
| 99 | 483 |
| 484 | |
| 485 Dictionary to List conversion ~ | |
| 486 | |
| 1621 | 487 You may want to loop over the entries in a dictionary. For this you need to |
| 99 | 488 turn the Dictionary into a List and pass it to |:for|. |
| 489 | |
| 490 Most often you want to loop over the keys, using the |keys()| function: > | |
| 491 :for key in keys(mydict) | |
| 492 : echo key . ': ' . mydict[key] | |
| 493 :endfor | |
| 494 | |
| 495 The List of keys is unsorted. You may want to sort them first: > | |
| 496 :for key in sort(keys(mydict)) | |
| 497 | |
| 498 To loop over the values use the |values()| function: > | |
| 499 :for v in values(mydict) | |
| 500 : echo "value: " . v | |
| 501 :endfor | |
| 502 | |
| 503 If you want both the key and the value use the |items()| function. It returns | |
| 1621 | 504 a List in which each item is a List with two items, the key and the value: > |
| 1156 | 505 :for [key, value] in items(mydict) |
| 506 : echo key . ': ' . value | |
| 99 | 507 :endfor |
| 508 | |
| 509 | |
| 510 Dictionary identity ~ | |
| 161 | 511 *dict-identity* |
| 99 | 512 Just like Lists you need to use |copy()| and |deepcopy()| to make a copy of a |
| 513 Dictionary. Otherwise, assignment results in referring to the same | |
| 514 Dictionary: > | |
| 515 :let onedict = {'a': 1, 'b': 2} | |
| 516 :let adict = onedict | |
| 517 :let adict['a'] = 11 | |
| 518 :echo onedict['a'] | |
| 519 11 | |
| 520 | |
| 327 | 521 Two Dictionaries compare equal if all the key-value pairs compare equal. For |
| 522 more info see |list-identity|. | |
| 99 | 523 |
| 524 | |
| 525 Dictionary modification ~ | |
| 526 *dict-modification* | |
| 527 To change an already existing entry of a Dictionary, or to add a new entry, | |
| 528 use |:let| this way: > | |
| 529 :let dict[4] = "four" | |
| 530 :let dict['one'] = item | |
| 531 | |
| 108 | 532 Removing an entry from a Dictionary is done with |remove()| or |:unlet|. |
| 533 Three ways to remove the entry with key "aaa" from dict: > | |
| 534 :let i = remove(dict, 'aaa') | |
| 535 :unlet dict.aaa | |
| 536 :unlet dict['aaa'] | |
| 99 | 537 |
| 538 Merging a Dictionary with another is done with |extend()|: > | |
| 114 | 539 :call extend(adict, bdict) |
| 540 This extends adict with all entries from bdict. Duplicate keys cause entries | |
| 541 in adict to be overwritten. An optional third argument can change this. | |
| 119 | 542 Note that the order of entries in a Dictionary is irrelevant, thus don't |
| 543 expect ":echo adict" to show the items from bdict after the older entries in | |
| 544 adict. | |
| 99 | 545 |
| 546 Weeding out entries from a Dictionary can be done with |filter()|: > | |
| 1156 | 547 :call filter(dict, 'v:val =~ "x"') |
| 114 | 548 This removes all entries from "dict" with a value not matching 'x'. |
| 102 | 549 |
| 550 | |
| 551 Dictionary function ~ | |
| 4159 | 552 *Dictionary-function* *self* *E725* *E862* |
| 102 | 553 When a function is defined with the "dict" attribute it can be used in a |
| 1621 | 554 special way with a dictionary. Example: > |
| 102 | 555 :function Mylen() dict |
| 114 | 556 : return len(self.data) |
| 102 | 557 :endfunction |
| 114 | 558 :let mydict = {'data': [0, 1, 2, 3], 'len': function("Mylen")} |
| 559 :echo mydict.len() | |
| 102 | 560 |
| 561 This is like a method in object oriented programming. The entry in the | |
| 562 Dictionary is a |Funcref|. The local variable "self" refers to the dictionary | |
| 563 the function was invoked from. | |
| 564 | |
| 114 | 565 It is also possible to add a function without the "dict" attribute as a |
| 566 Funcref to a Dictionary, but the "self" variable is not available then. | |
| 567 | |
| 819 | 568 *numbered-function* *anonymous-function* |
| 102 | 569 To avoid the extra name for the function it can be defined and directly |
| 570 assigned to a Dictionary in this way: > | |
| 114 | 571 :let mydict = {'data': [0, 1, 2, 3]} |
| 6741 | 572 :function mydict.len() |
| 114 | 573 : return len(self.data) |
| 102 | 574 :endfunction |
| 114 | 575 :echo mydict.len() |
| 576 | |
| 577 The function will then get a number and the value of dict.len is a |Funcref| | |
| 1621 | 578 that references this function. The function can only be used through a |
| 114 | 579 |Funcref|. It will automatically be deleted when there is no |Funcref| |
| 580 remaining that refers to it. | |
| 581 | |
| 582 It is not necessary to use the "dict" attribute for a numbered function. | |
| 102 | 583 |
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584 If you get an error for a numbered function, you can find out what it is with |
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585 a trick. Assuming the function is 42, the command is: > |
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586 :function {42} |
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587 |
| 102 | 588 |
| 589 Functions for Dictionaries ~ | |
| 114 | 590 *E715* |
| 591 Functions that can be used with a Dictionary: > | |
| 102 | 592 :if has_key(dict, 'foo') " TRUE if dict has entry with key "foo" |
| 593 :if empty(dict) " TRUE if dict is empty | |
| 594 :let l = len(dict) " number of items in dict | |
| 595 :let big = max(dict) " maximum value in dict | |
| 596 :let small = min(dict) " minimum value in dict | |
| 597 :let xs = count(dict, 'x') " count nr of times 'x' appears in dict | |
| 598 :let s = string(dict) " String representation of dict | |
| 599 :call map(dict, '">> " . v:val') " prepend ">> " to each item | |
| 99 | 600 |
| 601 | |
| 602 1.5 More about variables ~ | |
| 85 | 603 *more-variables* |
| 7 | 604 If you need to know the type of a variable or expression, use the |type()| |
| 605 function. | |
| 606 | |
| 607 When the '!' flag is included in the 'viminfo' option, global variables that | |
| 608 start with an uppercase letter, and don't contain a lowercase letter, are | |
| 609 stored in the viminfo file |viminfo-file|. | |
| 610 | |
| 611 When the 'sessionoptions' option contains "global", global variables that | |
| 612 start with an uppercase letter and contain at least one lowercase letter are | |
| 613 stored in the session file |session-file|. | |
| 614 | |
| 615 variable name can be stored where ~ | |
| 616 my_var_6 not | |
| 617 My_Var_6 session file | |
| 618 MY_VAR_6 viminfo file | |
| 619 | |
| 620 | |
| 621 It's possible to form a variable name with curly braces, see | |
| 622 |curly-braces-names|. | |
| 623 | |
| 624 ============================================================================== | |
| 625 2. Expression syntax *expression-syntax* | |
| 626 | |
| 627 Expression syntax summary, from least to most significant: | |
| 628 | |
| 629 |expr1| expr2 ? expr1 : expr1 if-then-else | |
| 630 | |
| 631 |expr2| expr3 || expr3 .. logical OR | |
| 632 | |
| 633 |expr3| expr4 && expr4 .. logical AND | |
| 634 | |
| 635 |expr4| expr5 == expr5 equal | |
| 636 expr5 != expr5 not equal | |
| 637 expr5 > expr5 greater than | |
| 638 expr5 >= expr5 greater than or equal | |
| 639 expr5 < expr5 smaller than | |
| 640 expr5 <= expr5 smaller than or equal | |
| 641 expr5 =~ expr5 regexp matches | |
| 642 expr5 !~ expr5 regexp doesn't match | |
| 643 | |
| 644 expr5 ==? expr5 equal, ignoring case | |
| 645 expr5 ==# expr5 equal, match case | |
| 646 etc. As above, append ? for ignoring case, # for | |
| 647 matching case | |
| 648 | |
| 685 | 649 expr5 is expr5 same |List| instance |
| 650 expr5 isnot expr5 different |List| instance | |
| 79 | 651 |
| 652 |expr5| expr6 + expr6 .. number addition or list concatenation | |
| 7 | 653 expr6 - expr6 .. number subtraction |
| 654 expr6 . expr6 .. string concatenation | |
| 655 | |
| 656 |expr6| expr7 * expr7 .. number multiplication | |
| 657 expr7 / expr7 .. number division | |
| 658 expr7 % expr7 .. number modulo | |
| 659 | |
| 660 |expr7| ! expr7 logical NOT | |
| 661 - expr7 unary minus | |
| 662 + expr7 unary plus | |
| 102 | 663 |
| 685 | 664 |expr8| expr8[expr1] byte of a String or item of a |List| |
| 665 expr8[expr1 : expr1] substring of a String or sublist of a |List| | |
| 666 expr8.name entry in a |Dictionary| | |
| 667 expr8(expr1, ...) function call with |Funcref| variable | |
| 102 | 668 |
| 669 |expr9| number number constant | |
| 26 | 670 "string" string constant, backslash is special |
| 99 | 671 'string' string constant, ' is doubled |
| 685 | 672 [expr1, ...] |List| |
| 673 {expr1: expr1, ...} |Dictionary| | |
| 7 | 674 &option option value |
| 675 (expr1) nested expression | |
| 676 variable internal variable | |
| 677 va{ria}ble internal variable with curly braces | |
| 678 $VAR environment variable | |
| 679 @r contents of register 'r' | |
| 680 function(expr1, ...) function call | |
| 681 func{ti}on(expr1, ...) function call with curly braces | |
| 682 | |
| 683 | |
| 684 ".." indicates that the operations in this level can be concatenated. | |
| 685 Example: > | |
| 686 &nu || &list && &shell == "csh" | |
| 687 | |
| 688 All expressions within one level are parsed from left to right. | |
| 689 | |
| 690 | |
| 691 expr1 *expr1* *E109* | |
| 692 ----- | |
| 693 | |
| 694 expr2 ? expr1 : expr1 | |
| 695 | |
| 696 The expression before the '?' is evaluated to a number. If it evaluates to | |
| 697 non-zero, the result is the value of the expression between the '?' and ':', | |
| 698 otherwise the result is the value of the expression after the ':'. | |
| 699 Example: > | |
| 700 :echo lnum == 1 ? "top" : lnum | |
| 701 | |
| 702 Since the first expression is an "expr2", it cannot contain another ?:. The | |
| 703 other two expressions can, thus allow for recursive use of ?:. | |
| 704 Example: > | |
| 705 :echo lnum == 1 ? "top" : lnum == 1000 ? "last" : lnum | |
| 706 | |
| 707 To keep this readable, using |line-continuation| is suggested: > | |
| 708 :echo lnum == 1 | |
| 709 :\ ? "top" | |
| 710 :\ : lnum == 1000 | |
| 711 :\ ? "last" | |
| 712 :\ : lnum | |
| 713 | |
| 1156 | 714 You should always put a space before the ':', otherwise it can be mistaken for |
| 715 use in a variable such as "a:1". | |
| 716 | |
| 7 | 717 |
| 718 expr2 and expr3 *expr2* *expr3* | |
| 719 --------------- | |
| 720 | |
| 721 *expr-barbar* *expr-&&* | |
| 722 The "||" and "&&" operators take one argument on each side. The arguments | |
| 723 are (converted to) Numbers. The result is: | |
| 724 | |
| 725 input output ~ | |
| 726 n1 n2 n1 || n2 n1 && n2 ~ | |
| 727 zero zero zero zero | |
| 728 zero non-zero non-zero zero | |
| 729 non-zero zero non-zero zero | |
| 730 non-zero non-zero non-zero non-zero | |
| 731 | |
| 732 The operators can be concatenated, for example: > | |
| 733 | |
| 734 &nu || &list && &shell == "csh" | |
| 735 | |
| 736 Note that "&&" takes precedence over "||", so this has the meaning of: > | |
| 737 | |
| 738 &nu || (&list && &shell == "csh") | |
| 739 | |
| 740 Once the result is known, the expression "short-circuits", that is, further | |
| 741 arguments are not evaluated. This is like what happens in C. For example: > | |
| 742 | |
| 743 let a = 1 | |
| 744 echo a || b | |
| 745 | |
| 746 This is valid even if there is no variable called "b" because "a" is non-zero, | |
| 747 so the result must be non-zero. Similarly below: > | |
| 748 | |
| 749 echo exists("b") && b == "yes" | |
| 750 | |
| 751 This is valid whether "b" has been defined or not. The second clause will | |
| 752 only be evaluated if "b" has been defined. | |
| 753 | |
| 754 | |
| 755 expr4 *expr4* | |
| 756 ----- | |
| 757 | |
| 758 expr5 {cmp} expr5 | |
| 759 | |
| 760 Compare two expr5 expressions, resulting in a 0 if it evaluates to false, or 1 | |
| 761 if it evaluates to true. | |
| 762 | |
| 1621 | 763 *expr-==* *expr-!=* *expr->* *expr->=* |
| 7 | 764 *expr-<* *expr-<=* *expr-=~* *expr-!~* |
| 765 *expr-==#* *expr-!=#* *expr->#* *expr->=#* | |
| 766 *expr-<#* *expr-<=#* *expr-=~#* *expr-!~#* | |
| 767 *expr-==?* *expr-!=?* *expr->?* *expr->=?* | |
| 768 *expr-<?* *expr-<=?* *expr-=~?* *expr-!~?* | |
| 2908 | 769 *expr-is* *expr-isnot* *expr-is#* *expr-isnot#* |
| 770 *expr-is?* *expr-isnot?* | |
| 7 | 771 use 'ignorecase' match case ignore case ~ |
| 772 equal == ==# ==? | |
| 773 not equal != !=# !=? | |
| 774 greater than > ># >? | |
| 775 greater than or equal >= >=# >=? | |
| 776 smaller than < <# <? | |
| 777 smaller than or equal <= <=# <=? | |
| 778 regexp matches =~ =~# =~? | |
| 779 regexp doesn't match !~ !~# !~? | |
| 2908 | 780 same instance is is# is? |
| 781 different instance isnot isnot# isnot? | |
| 7 | 782 |
| 783 Examples: | |
| 784 "abc" ==# "Abc" evaluates to 0 | |
| 785 "abc" ==? "Abc" evaluates to 1 | |
| 786 "abc" == "Abc" evaluates to 1 if 'ignorecase' is set, 0 otherwise | |
| 787 | |
| 85 | 788 *E691* *E692* |
| 685 | 789 A |List| can only be compared with a |List| and only "equal", "not equal" and |
| 790 "is" can be used. This compares the values of the list, recursively. | |
| 791 Ignoring case means case is ignored when comparing item values. | |
| 79 | 792 |
| 114 | 793 *E735* *E736* |
| 685 | 794 A |Dictionary| can only be compared with a |Dictionary| and only "equal", "not |
| 795 equal" and "is" can be used. This compares the key/values of the |Dictionary| | |
| 114 | 796 recursively. Ignoring case means case is ignored when comparing item values. |
| 797 | |
|
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798 *E694* |
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799 A |Funcref| can only be compared with a |Funcref| and only "equal", "not |
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800 equal", "is" and "isnot" can be used. Case is never ignored. Whether |
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801 arguments or a Dictionary are bound (with a partial) matters. The |
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802 Dictionaries must also be equal (or the same, in case of "is") and the |
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803 arguments must be equal (or the same). |
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804 |
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805 To compare Funcrefs to see if they refer to the same function, ignoring bound |
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806 Dictionary and arguments, use |get()| to get the function name: > |
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807 if get(Part1, 'name') == get(Part2, 'name') |
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808 " Part1 and Part2 refer to the same function |
| 685 | 809 |
| 2908 | 810 When using "is" or "isnot" with a |List| or a |Dictionary| this checks if the |
| 811 expressions are referring to the same |List| or |Dictionary| instance. A copy | |
| 812 of a |List| is different from the original |List|. When using "is" without | |
| 813 a |List| or a |Dictionary| it is equivalent to using "equal", using "isnot" | |
| 814 equivalent to using "not equal". Except that a different type means the | |
|
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815 values are different: > |
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816 echo 4 == '4' |
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817 1 |
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818 echo 4 is '4' |
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819 0 |
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820 echo 0 is [] |
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821 0 |
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822 "is#"/"isnot#" and "is?"/"isnot?" can be used to match and ignore case. |
| 79 | 823 |
| 7 | 824 When comparing a String with a Number, the String is converted to a Number, |
|
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825 and the comparison is done on Numbers. This means that: > |
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826 echo 0 == 'x' |
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827 1 |
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828 because 'x' converted to a Number is zero. However: > |
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829 echo [0] == ['x'] |
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830 0 |
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831 Inside a List or Dictionary this conversion is not used. |
| 7 | 832 |
| 833 When comparing two Strings, this is done with strcmp() or stricmp(). This | |
| 834 results in the mathematical difference (comparing byte values), not | |
| 835 necessarily the alphabetical difference in the local language. | |
| 836 | |
| 1621 | 837 When using the operators with a trailing '#', or the short version and |
| 1156 | 838 'ignorecase' is off, the comparing is done with strcmp(): case matters. |
| 7 | 839 |
| 840 When using the operators with a trailing '?', or the short version and | |
| 1156 | 841 'ignorecase' is set, the comparing is done with stricmp(): case is ignored. |
| 842 | |
| 843 'smartcase' is not used. | |
| 7 | 844 |
| 845 The "=~" and "!~" operators match the lefthand argument with the righthand | |
| 846 argument, which is used as a pattern. See |pattern| for what a pattern is. | |
| 847 This matching is always done like 'magic' was set and 'cpoptions' is empty, no | |
| 848 matter what the actual value of 'magic' or 'cpoptions' is. This makes scripts | |
| 849 portable. To avoid backslashes in the regexp pattern to be doubled, use a | |
| 850 single-quote string, see |literal-string|. | |
| 851 Since a string is considered to be a single line, a multi-line pattern | |
| 852 (containing \n, backslash-n) will not match. However, a literal NL character | |
| 853 can be matched like an ordinary character. Examples: | |
| 854 "foo\nbar" =~ "\n" evaluates to 1 | |
| 855 "foo\nbar" =~ "\\n" evaluates to 0 | |
| 856 | |
| 857 | |
| 858 expr5 and expr6 *expr5* *expr6* | |
| 859 --------------- | |
| 685 | 860 expr6 + expr6 .. Number addition or |List| concatenation *expr-+* |
| 79 | 861 expr6 - expr6 .. Number subtraction *expr--* |
| 862 expr6 . expr6 .. String concatenation *expr-.* | |
| 863 | |
| 692 | 864 For |Lists| only "+" is possible and then both expr6 must be a list. The |
| 685 | 865 result is a new list with the two lists Concatenated. |
| 79 | 866 |
| 3214 | 867 expr7 * expr7 .. Number multiplication *expr-star* |
| 868 expr7 / expr7 .. Number division *expr-/* | |
| 869 expr7 % expr7 .. Number modulo *expr-%* | |
| 7 | 870 |
| 871 For all, except ".", Strings are converted to Numbers. | |
| 3214 | 872 For bitwise operators see |and()|, |or()| and |xor()|. |
| 7 | 873 |
| 874 Note the difference between "+" and ".": | |
| 875 "123" + "456" = 579 | |
| 876 "123" . "456" = "123456" | |
| 877 | |
| 1621 | 878 Since '.' has the same precedence as '+' and '-', you need to read: > |
| 879 1 . 90 + 90.0 | |
| 880 As: > | |
| 881 (1 . 90) + 90.0 | |
| 882 That works, since the String "190" is automatically converted to the Number | |
| 883 190, which can be added to the Float 90.0. However: > | |
| 884 1 . 90 * 90.0 | |
| 885 Should be read as: > | |
| 886 1 . (90 * 90.0) | |
| 887 Since '.' has lower precedence than '*'. This does NOT work, since this | |
| 888 attempts to concatenate a Float and a String. | |
| 889 | |
| 890 When dividing a Number by zero the result depends on the value: | |
| 891 0 / 0 = -0x80000000 (like NaN for Float) | |
| 892 >0 / 0 = 0x7fffffff (like positive infinity) | |
| 893 <0 / 0 = -0x7fffffff (like negative infinity) | |
| 894 (before Vim 7.2 it was always 0x7fffffff) | |
| 895 | |
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896 When 64-bit Number support is enabled: |
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897 0 / 0 = -0x8000000000000000 (like NaN for Float) |
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898 >0 / 0 = 0x7fffffffffffffff (like positive infinity) |
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899 <0 / 0 = -0x7fffffffffffffff (like negative infinity) |
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900 |
| 7 | 901 When the righthand side of '%' is zero, the result is 0. |
| 902 | |
| 685 | 903 None of these work for |Funcref|s. |
| 79 | 904 |
| 1621 | 905 . and % do not work for Float. *E804* |
| 906 | |
| 7 | 907 |
| 908 expr7 *expr7* | |
| 909 ----- | |
| 910 ! expr7 logical NOT *expr-!* | |
| 911 - expr7 unary minus *expr-unary--* | |
| 912 + expr7 unary plus *expr-unary-+* | |
| 913 | |
| 914 For '!' non-zero becomes zero, zero becomes one. | |
| 915 For '-' the sign of the number is changed. | |
| 916 For '+' the number is unchanged. | |
| 917 | |
| 918 A String will be converted to a Number first. | |
| 919 | |
| 1621 | 920 These three can be repeated and mixed. Examples: |
| 7 | 921 !-1 == 0 |
| 922 !!8 == 1 | |
| 923 --9 == 9 | |
| 924 | |
| 925 | |
| 926 expr8 *expr8* | |
| 927 ----- | |
| 685 | 928 expr8[expr1] item of String or |List| *expr-[]* *E111* |
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929 *E909* *subscript* |
| 102 | 930 If expr8 is a Number or String this results in a String that contains the |
| 931 expr1'th single byte from expr8. expr8 is used as a String, expr1 as a | |
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932 Number. This doesn't recognize multi-byte encodings, see |byteidx()| for |
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933 an alternative, or use `split()` to turn the string into a list of characters. |
| 55 | 934 |
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935 Index zero gives the first byte. This is like it works in C. Careful: |
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936 text column numbers start with one! Example, to get the byte under the |
| 55 | 937 cursor: > |
| 823 | 938 :let c = getline(".")[col(".") - 1] |
| 7 | 939 |
| 940 If the length of the String is less than the index, the result is an empty | |
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941 String. A negative index always results in an empty string (reason: backward |
| 55 | 942 compatibility). Use [-1:] to get the last byte. |
| 943 | |
| 685 | 944 If expr8 is a |List| then it results the item at index expr1. See |list-index| |
| 55 | 945 for possible index values. If the index is out of range this results in an |
| 1621 | 946 error. Example: > |
| 55 | 947 :let item = mylist[-1] " get last item |
| 948 | |
| 685 | 949 Generally, if a |List| index is equal to or higher than the length of the |
| 950 |List|, or more negative than the length of the |List|, this results in an | |
| 951 error. | |
| 55 | 952 |
| 99 | 953 |
| 102 | 954 expr8[expr1a : expr1b] substring or sublist *expr-[:]* |
| 955 | |
| 956 If expr8 is a Number or String this results in the substring with the bytes | |
| 957 from expr1a to and including expr1b. expr8 is used as a String, expr1a and | |
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958 expr1b are used as a Number. This doesn't recognize multi-byte encodings, see |
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959 |byteidx()| for computing the indexes. |
| 55 | 960 |
| 961 If expr1a is omitted zero is used. If expr1b is omitted the length of the | |
| 962 string minus one is used. | |
| 963 | |
| 964 A negative number can be used to measure from the end of the string. -1 is | |
| 965 the last character, -2 the last but one, etc. | |
| 966 | |
| 967 If an index goes out of range for the string characters are omitted. If | |
| 968 expr1b is smaller than expr1a the result is an empty string. | |
| 969 | |
| 970 Examples: > | |
| 971 :let c = name[-1:] " last byte of a string | |
| 972 :let c = name[-2:-2] " last but one byte of a string | |
| 973 :let s = line(".")[4:] " from the fifth byte to the end | |
| 974 :let s = s[:-3] " remove last two bytes | |
|
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975 < |
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976 *sublist* *slice* |
| 685 | 977 If expr8 is a |List| this results in a new |List| with the items indicated by |
| 1621 | 978 the indexes expr1a and expr1b. This works like with a String, as explained |
| 685 | 979 just above, except that indexes out of range cause an error. Examples: > |
| 55 | 980 :let l = mylist[:3] " first four items |
| 981 :let l = mylist[4:4] " List with one item | |
| 982 :let l = mylist[:] " shallow copy of a List | |
| 983 | |
| 685 | 984 Using expr8[expr1] or expr8[expr1a : expr1b] on a |Funcref| results in an |
| 985 error. | |
| 986 | |
|
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987 Watch out for confusion between a namespace and a variable followed by a colon |
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988 for a sublist: > |
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989 mylist[n:] " uses variable n |
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990 mylist[s:] " uses namespace s:, error! |
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991 |
| 685 | 992 |
| 993 expr8.name entry in a |Dictionary| *expr-entry* | |
| 994 | |
| 995 If expr8 is a |Dictionary| and it is followed by a dot, then the following | |
| 996 name will be used as a key in the |Dictionary|. This is just like: | |
| 997 expr8[name]. | |
| 99 | 998 |
| 999 The name must consist of alphanumeric characters, just like a variable name, | |
| 1000 but it may start with a number. Curly braces cannot be used. | |
| 1001 | |
| 1002 There must not be white space before or after the dot. | |
| 1003 | |
| 1004 Examples: > | |
| 1005 :let dict = {"one": 1, 2: "two"} | |
| 1006 :echo dict.one | |
| 1007 :echo dict .2 | |
| 1008 | |
| 1009 Note that the dot is also used for String concatenation. To avoid confusion | |
| 1010 always put spaces around the dot for String concatenation. | |
| 1011 | |
| 1012 | |
| 685 | 1013 expr8(expr1, ...) |Funcref| function call |
| 102 | 1014 |
| 1015 When expr8 is a |Funcref| type variable, invoke the function it refers to. | |
| 1016 | |
| 1017 | |
| 1018 | |
| 1019 *expr9* | |
| 7 | 1020 number |
| 1021 ------ | |
| 3224 | 1022 number number constant *expr-number* |
| 1023 *hex-number* *octal-number* | |
| 7 | 1024 |
| 1025 Decimal, Hexadecimal (starting with 0x or 0X), or Octal (starting with 0). | |
| 1026 | |
| 1621 | 1027 *floating-point-format* |
| 1028 Floating point numbers can be written in two forms: | |
| 1029 | |
| 1030 [-+]{N}.{M} | |
| 6530 | 1031 [-+]{N}.{M}[eE][-+]{exp} |
| 1621 | 1032 |
| 1033 {N} and {M} are numbers. Both {N} and {M} must be present and can only | |
| 1034 contain digits. | |
| 1035 [-+] means there is an optional plus or minus sign. | |
| 1036 {exp} is the exponent, power of 10. | |
| 1037 Only a decimal point is accepted, not a comma. No matter what the current | |
| 1038 locale is. | |
| 1039 {only when compiled with the |+float| feature} | |
| 1040 | |
| 1041 Examples: | |
| 1042 123.456 | |
| 1043 +0.0001 | |
| 1044 55.0 | |
| 1045 -0.123 | |
| 1046 1.234e03 | |
| 1047 1.0E-6 | |
| 1048 -3.1416e+88 | |
| 1049 | |
| 1050 These are INVALID: | |
| 1051 3. empty {M} | |
| 1052 1e40 missing .{M} | |
| 1053 | |
| 1698 | 1054 *float-pi* *float-e* |
| 1055 A few useful values to copy&paste: > | |
| 1056 :let pi = 3.14159265359 | |
| 1057 :let e = 2.71828182846 | |
| 1058 | |
| 1621 | 1059 Rationale: |
| 1060 Before floating point was introduced, the text "123.456" was interpreted as | |
| 1061 the two numbers "123" and "456", both converted to a string and concatenated, | |
| 1062 resulting in the string "123456". Since this was considered pointless, and we | |
| 1698 | 1063 could not find it intentionally being used in Vim scripts, this backwards |
| 1621 | 1064 incompatibility was accepted in favor of being able to use the normal notation |
| 1065 for floating point numbers. | |
| 1066 | |
| 1067 *floating-point-precision* | |
| 1068 The precision and range of floating points numbers depends on what "double" | |
| 1069 means in the library Vim was compiled with. There is no way to change this at | |
| 1070 runtime. | |
| 1071 | |
| 1072 The default for displaying a |Float| is to use 6 decimal places, like using | |
| 1073 printf("%g", f). You can select something else when using the |printf()| | |
| 1074 function. Example: > | |
| 1075 :echo printf('%.15e', atan(1)) | |
| 1076 < 7.853981633974483e-01 | |
| 1077 | |
| 1078 | |
| 7 | 1079 |
| 6884 | 1080 string *string* *String* *expr-string* *E114* |
| 7 | 1081 ------ |
| 1082 "string" string constant *expr-quote* | |
| 1083 | |
| 1084 Note that double quotes are used. | |
| 1085 | |
| 1086 A string constant accepts these special characters: | |
| 1087 \... three-digit octal number (e.g., "\316") | |
| 1088 \.. two-digit octal number (must be followed by non-digit) | |
| 1089 \. one-digit octal number (must be followed by non-digit) | |
| 1090 \x.. byte specified with two hex numbers (e.g., "\x1f") | |
| 1091 \x. byte specified with one hex number (must be followed by non-hex char) | |
| 1092 \X.. same as \x.. | |
| 1093 \X. same as \x. | |
| 1621 | 1094 \u.... character specified with up to 4 hex numbers, stored according to the |
| 7 | 1095 current value of 'encoding' (e.g., "\u02a4") |
| 6840 | 1096 \U.... same as \u but allows up to 8 hex numbers. |
| 7 | 1097 \b backspace <BS> |
| 1098 \e escape <Esc> | |
| 1099 \f formfeed <FF> | |
| 1100 \n newline <NL> | |
| 1101 \r return <CR> | |
| 1102 \t tab <Tab> | |
| 1103 \\ backslash | |
| 1104 \" double quote | |
| 2152 | 1105 \<xxx> Special key named "xxx". e.g. "\<C-W>" for CTRL-W. This is for use |
| 1106 in mappings, the 0x80 byte is escaped. Don't use <Char-xxxx> to get a | |
| 1107 utf-8 character, use \uxxxx as mentioned above. | |
| 7 | 1108 |
| 1156 | 1109 Note that "\xff" is stored as the byte 255, which may be invalid in some |
| 1110 encodings. Use "\u00ff" to store character 255 according to the current value | |
| 1111 of 'encoding'. | |
| 1112 | |
| 7 | 1113 Note that "\000" and "\x00" force the end of the string. |
| 1114 | |
| 1115 | |
| 1116 literal-string *literal-string* *E115* | |
| 1117 --------------- | |
| 26 | 1118 'string' string constant *expr-'* |
| 7 | 1119 |
| 1120 Note that single quotes are used. | |
| 1121 | |
| 1621 | 1122 This string is taken as it is. No backslashes are removed or have a special |
| 99 | 1123 meaning. The only exception is that two quotes stand for one quote. |
| 26 | 1124 |
| 1125 Single quoted strings are useful for patterns, so that backslashes do not need | |
| 1621 | 1126 to be doubled. These two commands are equivalent: > |
| 26 | 1127 if a =~ "\\s*" |
| 1128 if a =~ '\s*' | |
| 7 | 1129 |
| 1130 | |
| 1131 option *expr-option* *E112* *E113* | |
| 1132 ------ | |
| 1133 &option option value, local value if possible | |
| 1134 &g:option global option value | |
| 1135 &l:option local option value | |
| 1136 | |
| 1137 Examples: > | |
| 1138 echo "tabstop is " . &tabstop | |
| 1139 if &insertmode | |
| 1140 | |
| 1141 Any option name can be used here. See |options|. When using the local value | |
| 1142 and there is no buffer-local or window-local value, the global value is used | |
| 1143 anyway. | |
| 1144 | |
| 1145 | |
| 1156 | 1146 register *expr-register* *@r* |
| 7 | 1147 -------- |
| 1148 @r contents of register 'r' | |
| 1149 | |
| 1150 The result is the contents of the named register, as a single string. | |
| 1151 Newlines are inserted where required. To get the contents of the unnamed | |
| 1621 | 1152 register use @" or @@. See |registers| for an explanation of the available |
| 336 | 1153 registers. |
| 1154 | |
| 1155 When using the '=' register you get the expression itself, not what it | |
| 1156 evaluates to. Use |eval()| to evaluate it. | |
| 7 | 1157 |
| 1158 | |
| 1159 nesting *expr-nesting* *E110* | |
| 1160 ------- | |
| 1161 (expr1) nested expression | |
| 1162 | |
| 1163 | |
| 1164 environment variable *expr-env* | |
| 1165 -------------------- | |
| 1166 $VAR environment variable | |
| 1167 | |
| 1168 The String value of any environment variable. When it is not defined, the | |
| 1169 result is an empty string. | |
| 1170 *expr-env-expand* | |
| 1171 Note that there is a difference between using $VAR directly and using | |
| 1172 expand("$VAR"). Using it directly will only expand environment variables that | |
| 1173 are known inside the current Vim session. Using expand() will first try using | |
| 1174 the environment variables known inside the current Vim session. If that | |
| 1175 fails, a shell will be used to expand the variable. This can be slow, but it | |
| 1176 does expand all variables that the shell knows about. Example: > | |
| 6180 | 1177 :echo $shell |
| 1178 :echo expand("$shell") | |
| 1179 The first one probably doesn't echo anything, the second echoes the $shell | |
| 7 | 1180 variable (if your shell supports it). |
| 1181 | |
| 1182 | |
| 1183 internal variable *expr-variable* | |
| 1184 ----------------- | |
| 1185 variable internal variable | |
| 1186 See below |internal-variables|. | |
| 1187 | |
| 1188 | |
| 170 | 1189 function call *expr-function* *E116* *E118* *E119* *E120* |
| 7 | 1190 ------------- |
| 1191 function(expr1, ...) function call | |
| 1192 See below |functions|. | |
| 1193 | |
| 1194 | |
| 1195 ============================================================================== | |
| 2596 | 1196 3. Internal variable *internal-variables* *E461* |
| 1197 | |
| 7 | 1198 An internal variable name can be made up of letters, digits and '_'. But it |
| 1199 cannot start with a digit. It's also possible to use curly braces, see | |
| 1200 |curly-braces-names|. | |
| 1201 | |
| 1202 An internal variable is created with the ":let" command |:let|. | |
| 87 | 1203 An internal variable is explicitly destroyed with the ":unlet" command |
| 1204 |:unlet|. | |
| 1205 Using a name that is not an internal variable or refers to a variable that has | |
| 1206 been destroyed results in an error. | |
| 7 | 1207 |
| 1208 There are several name spaces for variables. Which one is to be used is | |
| 1209 specified by what is prepended: | |
| 1210 | |
| 1211 (nothing) In a function: local to a function; otherwise: global | |
| 1212 |buffer-variable| b: Local to the current buffer. | |
| 1213 |window-variable| w: Local to the current window. | |
| 819 | 1214 |tabpage-variable| t: Local to the current tab page. |
| 7 | 1215 |global-variable| g: Global. |
| 1216 |local-variable| l: Local to a function. | |
| 1217 |script-variable| s: Local to a |:source|'ed Vim script. | |
| 1218 |function-argument| a: Function argument (only inside a function). | |
| 5815 | 1219 |vim-variable| v: Global, predefined by Vim. |
| 7 | 1220 |
| 685 | 1221 The scope name by itself can be used as a |Dictionary|. For example, to |
| 1222 delete all script-local variables: > | |
| 133 | 1223 :for k in keys(s:) |
| 1224 : unlet s:[k] | |
| 1225 :endfor | |
| 1226 < | |
| 4358 | 1227 *buffer-variable* *b:var* *b:* |
| 7 | 1228 A variable name that is preceded with "b:" is local to the current buffer. |
| 1229 Thus you can have several "b:foo" variables, one for each buffer. | |
| 1230 This kind of variable is deleted when the buffer is wiped out or deleted with | |
| 1231 |:bdelete|. | |
| 1232 | |
| 1233 One local buffer variable is predefined: | |
| 4264 | 1234 *b:changedtick* *changetick* |
| 7 | 1235 b:changedtick The total number of changes to the current buffer. It is |
| 1236 incremented for each change. An undo command is also a change | |
| 1237 in this case. This can be used to perform an action only when | |
| 1238 the buffer has changed. Example: > | |
| 1239 :if my_changedtick != b:changedtick | |
| 1621 | 1240 : let my_changedtick = b:changedtick |
| 1241 : call My_Update() | |
| 7 | 1242 :endif |
| 1243 < | |
| 4358 | 1244 *window-variable* *w:var* *w:* |
| 7 | 1245 A variable name that is preceded with "w:" is local to the current window. It |
| 1246 is deleted when the window is closed. | |
| 1247 | |
| 4437 | 1248 *tabpage-variable* *t:var* *t:* |
| 819 | 1249 A variable name that is preceded with "t:" is local to the current tab page, |
| 1250 It is deleted when the tab page is closed. {not available when compiled | |
|
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1251 without the |+windows| feature} |
| 819 | 1252 |
| 4358 | 1253 *global-variable* *g:var* *g:* |
| 7 | 1254 Inside functions global variables are accessed with "g:". Omitting this will |
| 1621 | 1255 access a variable local to a function. But "g:" can also be used in any other |
| 7 | 1256 place if you like. |
| 1257 | |
| 4358 | 1258 *local-variable* *l:var* *l:* |
| 7 | 1259 Inside functions local variables are accessed without prepending anything. |
| 1156 | 1260 But you can also prepend "l:" if you like. However, without prepending "l:" |
| 1261 you may run into reserved variable names. For example "count". By itself it | |
| 1262 refers to "v:count". Using "l:count" you can have a local variable with the | |
| 1263 same name. | |
| 7 | 1264 |
| 1265 *script-variable* *s:var* | |
| 1266 In a Vim script variables starting with "s:" can be used. They cannot be | |
| 1267 accessed from outside of the scripts, thus are local to the script. | |
| 1268 | |
| 1269 They can be used in: | |
| 1270 - commands executed while the script is sourced | |
| 1271 - functions defined in the script | |
| 1272 - autocommands defined in the script | |
| 1273 - functions and autocommands defined in functions and autocommands which were | |
| 1274 defined in the script (recursively) | |
| 1275 - user defined commands defined in the script | |
| 1276 Thus not in: | |
| 1277 - other scripts sourced from this one | |
| 1278 - mappings | |
|
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1279 - menus |
| 7 | 1280 - etc. |
| 1281 | |
| 1156 | 1282 Script variables can be used to avoid conflicts with global variable names. |
| 1283 Take this example: > | |
| 7 | 1284 |
| 1285 let s:counter = 0 | |
| 1286 function MyCounter() | |
| 1287 let s:counter = s:counter + 1 | |
| 1288 echo s:counter | |
| 1289 endfunction | |
| 1290 command Tick call MyCounter() | |
| 1291 | |
| 1292 You can now invoke "Tick" from any script, and the "s:counter" variable in | |
| 1293 that script will not be changed, only the "s:counter" in the script where | |
| 1294 "Tick" was defined is used. | |
| 1295 | |
| 1296 Another example that does the same: > | |
| 1297 | |
| 1298 let s:counter = 0 | |
| 1299 command Tick let s:counter = s:counter + 1 | echo s:counter | |
| 1300 | |
| 1301 When calling a function and invoking a user-defined command, the context for | |
| 9 | 1302 script variables is set to the script where the function or command was |
| 7 | 1303 defined. |
| 1304 | |
| 1305 The script variables are also available when a function is defined inside a | |
| 1306 function that is defined in a script. Example: > | |
| 1307 | |
| 1308 let s:counter = 0 | |
| 1309 function StartCounting(incr) | |
| 1310 if a:incr | |
| 1311 function MyCounter() | |
| 1312 let s:counter = s:counter + 1 | |
| 1313 endfunction | |
| 1314 else | |
| 1315 function MyCounter() | |
| 1316 let s:counter = s:counter - 1 | |
| 1317 endfunction | |
| 1318 endif | |
| 1319 endfunction | |
| 1320 | |
| 1321 This defines the MyCounter() function either for counting up or counting down | |
| 1322 when calling StartCounting(). It doesn't matter from where StartCounting() is | |
| 1323 called, the s:counter variable will be accessible in MyCounter(). | |
| 1324 | |
| 1325 When the same script is sourced again it will use the same script variables. | |
| 1326 They will remain valid as long as Vim is running. This can be used to | |
| 1327 maintain a counter: > | |
| 1328 | |
| 1329 if !exists("s:counter") | |
| 1330 let s:counter = 1 | |
| 1331 echo "script executed for the first time" | |
| 1332 else | |
| 1333 let s:counter = s:counter + 1 | |
| 1334 echo "script executed " . s:counter . " times now" | |
| 1335 endif | |
| 1336 | |
| 1337 Note that this means that filetype plugins don't get a different set of script | |
| 1338 variables for each buffer. Use local buffer variables instead |b:var|. | |
| 1339 | |
| 1340 | |
| 4358 | 1341 Predefined Vim variables: *vim-variable* *v:var* *v:* |
| 7 | 1342 |
| 189 | 1343 *v:beval_col* *beval_col-variable* |
| 1344 v:beval_col The number of the column, over which the mouse pointer is. | |
| 1345 This is the byte index in the |v:beval_lnum| line. | |
| 1346 Only valid while evaluating the 'balloonexpr' option. | |
| 1347 | |
| 1348 *v:beval_bufnr* *beval_bufnr-variable* | |
| 1349 v:beval_bufnr The number of the buffer, over which the mouse pointer is. Only | |
| 1350 valid while evaluating the 'balloonexpr' option. | |
| 1351 | |
| 1352 *v:beval_lnum* *beval_lnum-variable* | |
| 1353 v:beval_lnum The number of the line, over which the mouse pointer is. Only | |
| 1354 valid while evaluating the 'balloonexpr' option. | |
| 1355 | |
| 1356 *v:beval_text* *beval_text-variable* | |
| 374 | 1357 v:beval_text The text under or after the mouse pointer. Usually a word as |
| 1358 it is useful for debugging a C program. 'iskeyword' applies, | |
| 1359 but a dot and "->" before the position is included. When on a | |
| 1360 ']' the text before it is used, including the matching '[' and | |
| 189 | 1361 word before it. When on a Visual area within one line the |
| 1362 highlighted text is used. | |
| 1363 Only valid while evaluating the 'balloonexpr' option. | |
| 1364 | |
| 1365 *v:beval_winnr* *beval_winnr-variable* | |
| 1366 v:beval_winnr The number of the window, over which the mouse pointer is. Only | |
| 2709 | 1367 valid while evaluating the 'balloonexpr' option. The first |
| 1368 window has number zero (unlike most other places where a | |
| 1369 window gets a number). | |
| 189 | 1370 |
|
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1371 *v:beval_winid* *beval_winid-variable* |
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1372 v:beval_winid The window ID of the window, over which the mouse pointer is. |
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1373 Otherwise like v:beval_winnr. |
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1374 |
| 844 | 1375 *v:char* *char-variable* |
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1376 v:char Argument for evaluating 'formatexpr' and used for the typed |
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1377 character when using <expr> in an abbreviation |:map-<expr>|. |
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1378 It is also used by the |InsertCharPre| and |InsertEnter| events. |
| 844 | 1379 |
| 7 | 1380 *v:charconvert_from* *charconvert_from-variable* |
| 1381 v:charconvert_from | |
| 1382 The name of the character encoding of a file to be converted. | |
| 1383 Only valid while evaluating the 'charconvert' option. | |
| 1384 | |
| 1385 *v:charconvert_to* *charconvert_to-variable* | |
| 1386 v:charconvert_to | |
| 1387 The name of the character encoding of a file after conversion. | |
| 1388 Only valid while evaluating the 'charconvert' option. | |
| 1389 | |
| 1390 *v:cmdarg* *cmdarg-variable* | |
| 1391 v:cmdarg This variable is used for two purposes: | |
| 1392 1. The extra arguments given to a file read/write command. | |
| 1393 Currently these are "++enc=" and "++ff=". This variable is | |
| 1394 set before an autocommand event for a file read/write | |
| 1395 command is triggered. There is a leading space to make it | |
| 1396 possible to append this variable directly after the | |
| 1621 | 1397 read/write command. Note: The "+cmd" argument isn't |
| 7 | 1398 included here, because it will be executed anyway. |
| 1399 2. When printing a PostScript file with ":hardcopy" this is | |
| 1400 the argument for the ":hardcopy" command. This can be used | |
| 1401 in 'printexpr'. | |
| 1402 | |
| 1403 *v:cmdbang* *cmdbang-variable* | |
| 1404 v:cmdbang Set like v:cmdarg for a file read/write command. When a "!" | |
| 1405 was used the value is 1, otherwise it is 0. Note that this | |
| 1406 can only be used in autocommands. For user commands |<bang>| | |
| 1407 can be used. | |
| 1408 | |
| 6909 | 1409 *v:completed_item* *completed_item-variable* |
| 1410 v:completed_item | |
| 1411 |Dictionary| containing the |complete-items| for the most | |
| 1412 recently completed word after |CompleteDone|. The | |
| 1413 |Dictionary| is empty if the completion failed. | |
| 1414 | |
| 7 | 1415 *v:count* *count-variable* |
| 1416 v:count The count given for the last Normal mode command. Can be used | |
| 1621 | 1417 to get the count before a mapping. Read-only. Example: > |
| 7 | 1418 :map _x :<C-U>echo "the count is " . v:count<CR> |
| 1419 < Note: The <C-U> is required to remove the line range that you | |
| 1420 get when typing ':' after a count. | |
|
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1421 When there are two counts, as in "3d2w", they are multiplied, |
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1422 just like what happens in the command, "d6w" for the example. |
| 667 | 1423 Also used for evaluating the 'formatexpr' option. |
| 7 | 1424 "count" also works, for backwards compatibility. |
| 1425 | |
| 1426 *v:count1* *count1-variable* | |
| 1427 v:count1 Just like "v:count", but defaults to one when no count is | |
| 1428 used. | |
| 1429 | |
| 1430 *v:ctype* *ctype-variable* | |
| 1431 v:ctype The current locale setting for characters of the runtime | |
| 1432 environment. This allows Vim scripts to be aware of the | |
| 1433 current locale encoding. Technical: it's the value of | |
| 1434 LC_CTYPE. When not using a locale the value is "C". | |
| 1435 This variable can not be set directly, use the |:language| | |
| 1436 command. | |
| 1437 See |multi-lang|. | |
| 1438 | |
| 1439 *v:dying* *dying-variable* | |
| 1621 | 1440 v:dying Normally zero. When a deadly signal is caught it's set to |
| 7 | 1441 one. When multiple signals are caught the number increases. |
| 1442 Can be used in an autocommand to check if Vim didn't | |
| 1443 terminate normally. {only works on Unix} | |
| 1444 Example: > | |
| 1445 :au VimLeave * if v:dying | echo "\nAAAAaaaarrrggghhhh!!!\n" | endif | |
|
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1446 < Note: if another deadly signal is caught when v:dying is one, |
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1447 VimLeave autocommands will not be executed. |
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1448 |
| 7 | 1449 *v:errmsg* *errmsg-variable* |
| 1450 v:errmsg Last given error message. It's allowed to set this variable. | |
| 1451 Example: > | |
| 1452 :let v:errmsg = "" | |
| 1453 :silent! next | |
| 1454 :if v:errmsg != "" | |
| 1455 : ... handle error | |
| 1456 < "errmsg" also works, for backwards compatibility. | |
| 1457 | |
|
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1458 *v:errors* *errors-variable* |
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1459 v:errors Errors found by assert functions, such as |assert_true()|. |
|
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1460 This is a list of strings. |
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1461 The assert functions append an item when an assert fails. |
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1462 To remove old results make it empty: > |
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1463 :let v:errors = [] |
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1464 < If v:errors is set to anything but a list it is made an empty |
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1465 list by the assert function. |
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1466 |
| 7 | 1467 *v:exception* *exception-variable* |
| 1468 v:exception The value of the exception most recently caught and not | |
| 1469 finished. See also |v:throwpoint| and |throw-variables|. | |
| 1470 Example: > | |
| 1471 :try | |
| 1472 : throw "oops" | |
| 1473 :catch /.*/ | |
| 1474 : echo "caught" v:exception | |
| 1475 :endtry | |
| 1476 < Output: "caught oops". | |
| 1477 | |
|
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1478 *v:false* *false-variable* |
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1479 v:false A Number with value zero. Used to put "false" in JSON. See |
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1480 |json_encode()|. |
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1481 When used as a string this evaluates to "v:false". > |
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1482 echo v:false |
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1483 < v:false ~ |
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1484 That is so that eval() can parse the string back to the same |
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1485 value. |
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1486 |
| 179 | 1487 *v:fcs_reason* *fcs_reason-variable* |
| 1488 v:fcs_reason The reason why the |FileChangedShell| event was triggered. | |
| 1489 Can be used in an autocommand to decide what to do and/or what | |
| 1490 to set v:fcs_choice to. Possible values: | |
| 1491 deleted file no longer exists | |
| 1492 conflict file contents, mode or timestamp was | |
| 1493 changed and buffer is modified | |
| 1494 changed file contents has changed | |
| 1495 mode mode of file changed | |
| 1496 time only file timestamp changed | |
| 1497 | |
| 1498 *v:fcs_choice* *fcs_choice-variable* | |
| 1499 v:fcs_choice What should happen after a |FileChangedShell| event was | |
| 1500 triggered. Can be used in an autocommand to tell Vim what to | |
| 1501 do with the affected buffer: | |
| 1502 reload Reload the buffer (does not work if | |
| 1503 the file was deleted). | |
| 1504 ask Ask the user what to do, as if there | |
| 1505 was no autocommand. Except that when | |
| 1506 only the timestamp changed nothing | |
| 1507 will happen. | |
| 1508 <empty> Nothing, the autocommand should do | |
| 1509 everything that needs to be done. | |
| 1510 The default is empty. If another (invalid) value is used then | |
| 1511 Vim behaves like it is empty, there is no warning message. | |
| 1512 | |
| 7 | 1513 *v:fname_in* *fname_in-variable* |
| 579 | 1514 v:fname_in The name of the input file. Valid while evaluating: |
| 7 | 1515 option used for ~ |
| 1516 'charconvert' file to be converted | |
| 1517 'diffexpr' original file | |
| 1518 'patchexpr' original file | |
| 1519 'printexpr' file to be printed | |
| 593 | 1520 And set to the swap file name for |SwapExists|. |
| 7 | 1521 |
| 1522 *v:fname_out* *fname_out-variable* | |
| 1523 v:fname_out The name of the output file. Only valid while | |
| 1524 evaluating: | |
| 1525 option used for ~ | |
| 1526 'charconvert' resulting converted file (*) | |
| 1527 'diffexpr' output of diff | |
| 1528 'patchexpr' resulting patched file | |
| 1529 (*) When doing conversion for a write command (e.g., ":w | |
| 1621 | 1530 file") it will be equal to v:fname_in. When doing conversion |
| 7 | 1531 for a read command (e.g., ":e file") it will be a temporary |
| 1532 file and different from v:fname_in. | |
| 1533 | |
| 1534 *v:fname_new* *fname_new-variable* | |
| 1535 v:fname_new The name of the new version of the file. Only valid while | |
| 1536 evaluating 'diffexpr'. | |
| 1537 | |
| 1538 *v:fname_diff* *fname_diff-variable* | |
| 1539 v:fname_diff The name of the diff (patch) file. Only valid while | |
| 1540 evaluating 'patchexpr'. | |
| 1541 | |
| 1542 *v:folddashes* *folddashes-variable* | |
| 1543 v:folddashes Used for 'foldtext': dashes representing foldlevel of a closed | |
| 1544 fold. | |
| 29 | 1545 Read-only in the |sandbox|. |fold-foldtext| |
| 7 | 1546 |
| 1547 *v:foldlevel* *foldlevel-variable* | |
| 1548 v:foldlevel Used for 'foldtext': foldlevel of closed fold. | |
| 29 | 1549 Read-only in the |sandbox|. |fold-foldtext| |
| 7 | 1550 |
| 1551 *v:foldend* *foldend-variable* | |
| 1552 v:foldend Used for 'foldtext': last line of closed fold. | |
| 29 | 1553 Read-only in the |sandbox|. |fold-foldtext| |
| 7 | 1554 |
| 1555 *v:foldstart* *foldstart-variable* | |
| 1556 v:foldstart Used for 'foldtext': first line of closed fold. | |
| 29 | 1557 Read-only in the |sandbox|. |fold-foldtext| |
| 7 | 1558 |
| 5460 | 1559 *v:hlsearch* *hlsearch-variable* |
| 6413 | 1560 v:hlsearch Variable that indicates whether search highlighting is on. |
| 1561 Setting it makes sense only if 'hlsearch' is enabled which | |
| 1562 requires |+extra_search|. Setting this variable to zero acts | |
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1563 like the |:nohlsearch| command, setting it to one acts like > |
| 5460 | 1564 let &hlsearch = &hlsearch |
| 6918 | 1565 < Note that the value is restored when returning from a |
| 1566 function. |function-search-undo|. | |
| 1567 | |
| 11 | 1568 *v:insertmode* *insertmode-variable* |
| 1569 v:insertmode Used for the |InsertEnter| and |InsertChange| autocommand | |
| 1570 events. Values: | |
| 1571 i Insert mode | |
| 1572 r Replace mode | |
| 1573 v Virtual Replace mode | |
| 1574 | |
| 102 | 1575 *v:key* *key-variable* |
| 685 | 1576 v:key Key of the current item of a |Dictionary|. Only valid while |
| 102 | 1577 evaluating the expression used with |map()| and |filter()|. |
| 1578 Read-only. | |
| 1579 | |
| 7 | 1580 *v:lang* *lang-variable* |
| 1581 v:lang The current locale setting for messages of the runtime | |
| 1582 environment. This allows Vim scripts to be aware of the | |
| 1583 current language. Technical: it's the value of LC_MESSAGES. | |
| 1584 The value is system dependent. | |
| 1585 This variable can not be set directly, use the |:language| | |
| 1586 command. | |
| 1587 It can be different from |v:ctype| when messages are desired | |
| 1588 in a different language than what is used for character | |
| 1589 encoding. See |multi-lang|. | |
| 1590 | |
| 1591 *v:lc_time* *lc_time-variable* | |
| 1592 v:lc_time The current locale setting for time messages of the runtime | |
| 1593 environment. This allows Vim scripts to be aware of the | |
| 1594 current language. Technical: it's the value of LC_TIME. | |
| 1595 This variable can not be set directly, use the |:language| | |
| 1596 command. See |multi-lang|. | |
| 1597 | |
| 1598 *v:lnum* *lnum-variable* | |
|
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1599 v:lnum Line number for the 'foldexpr' |fold-expr|, 'formatexpr' and |
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1600 'indentexpr' expressions, tab page number for 'guitablabel' |
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1601 and 'guitabtooltip'. Only valid while one of these |
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1602 expressions is being evaluated. Read-only when in the |
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1603 |sandbox|. |
| 7 | 1604 |
| 1029 | 1605 *v:mouse_win* *mouse_win-variable* |
| 1606 v:mouse_win Window number for a mouse click obtained with |getchar()|. | |
| 1607 First window has number 1, like with |winnr()|. The value is | |
| 1608 zero when there was no mouse button click. | |
| 1609 | |
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1610 *v:mouse_winid* *mouse_winid-variable* |
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1611 v:mouse_winid Window ID for a mouse click obtained with |getchar()|. |
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1612 The value is zero when there was no mouse button click. |
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1613 |
| 1029 | 1614 *v:mouse_lnum* *mouse_lnum-variable* |
| 1615 v:mouse_lnum Line number for a mouse click obtained with |getchar()|. | |
| 1616 This is the text line number, not the screen line number. The | |
| 1617 value is zero when there was no mouse button click. | |
| 1618 | |
| 1619 *v:mouse_col* *mouse_col-variable* | |
| 1620 v:mouse_col Column number for a mouse click obtained with |getchar()|. | |
| 1621 This is the screen column number, like with |virtcol()|. The | |
| 1622 value is zero when there was no mouse button click. | |
| 1623 | |
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1624 *v:none* *none-variable* |
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1625 v:none An empty String. Used to put an empty item in JSON. See |
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1626 |json_encode()|. |
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1627 When used as a number this evaluates to zero. |
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1628 When used as a string this evaluates to "v:none". > |
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1629 echo v:none |
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1630 < v:none ~ |
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1631 That is so that eval() can parse the string back to the same |
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1632 value. |
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1633 |
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1634 *v:null* *null-variable* |
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1635 v:null An empty String. Used to put "null" in JSON. See |
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1636 |json_encode()|. |
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1637 When used as a number this evaluates to zero. |
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1638 When used as a string this evaluates to "v:null". > |
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1639 echo v:null |
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1640 < v:null ~ |
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1641 That is so that eval() can parse the string back to the same |
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1642 value. |
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1643 |
| 1733 | 1644 *v:oldfiles* *oldfiles-variable* |
| 1645 v:oldfiles List of file names that is loaded from the |viminfo| file on | |
| 1646 startup. These are the files that Vim remembers marks for. | |
| 1647 The length of the List is limited by the ' argument of the | |
| 1648 'viminfo' option (default is 100). | |
| 5618 | 1649 When the |viminfo| file is not used the List is empty. |
| 1733 | 1650 Also see |:oldfiles| and |c_#<|. |
| 1651 The List can be modified, but this has no effect on what is | |
| 1652 stored in the |viminfo| file later. If you use values other | |
| 1653 than String this will cause trouble. | |
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1654 {only when compiled with the |+viminfo| feature} |
| 1733 | 1655 |
| 6935 | 1656 *v:option_new* |
| 1657 v:option_new New value of the option. Valid while executing an |OptionSet| | |
| 1658 autocommand. | |
| 1659 *v:option_old* | |
| 1660 v:option_old Old value of the option. Valid while executing an |OptionSet| | |
| 1661 autocommand. | |
| 1662 *v:option_type* | |
| 1663 v:option_type Scope of the set command. Valid while executing an | |
| 1664 |OptionSet| autocommand. Can be either "global" or "local" | |
| 1490 | 1665 *v:operator* *operator-variable* |
| 1666 v:operator The last operator given in Normal mode. This is a single | |
| 1667 character except for commands starting with <g> or <z>, | |
| 1668 in which case it is two characters. Best used alongside | |
| 1669 |v:prevcount| and |v:register|. Useful if you want to cancel | |
| 1670 Operator-pending mode and then use the operator, e.g.: > | |
| 1671 :omap O <Esc>:call MyMotion(v:operator)<CR> | |
| 1672 < The value remains set until another operator is entered, thus | |
| 1673 don't expect it to be empty. | |
| 1674 v:operator is not set for |:delete|, |:yank| or other Ex | |
| 1675 commands. | |
| 1676 Read-only. | |
| 1677 | |
| 7 | 1678 *v:prevcount* *prevcount-variable* |
| 1679 v:prevcount The count given for the last but one Normal mode command. | |
| 1680 This is the v:count value of the previous command. Useful if | |
| 1490 | 1681 you want to cancel Visual or Operator-pending mode and then |
| 1682 use the count, e.g.: > | |
| 7 | 1683 :vmap % <Esc>:call MyFilter(v:prevcount)<CR> |
| 1684 < Read-only. | |
| 1685 | |
| 170 | 1686 *v:profiling* *profiling-variable* |
| 1621 | 1687 v:profiling Normally zero. Set to one after using ":profile start". |
| 170 | 1688 See |profiling|. |
| 1689 | |
| 7 | 1690 *v:progname* *progname-variable* |
| 1691 v:progname Contains the name (with path removed) with which Vim was | |
| 3492 | 1692 invoked. Allows you to do special initialisations for |view|, |
| 1693 |evim| etc., or any other name you might symlink to Vim. | |
| 7 | 1694 Read-only. |
| 1695 | |
| 5780 | 1696 *v:progpath* *progpath-variable* |
| 1697 v:progpath Contains the command with which Vim was invoked, including the | |
| 1698 path. Useful if you want to message a Vim server using a | |
| 1699 |--remote-expr|. | |
| 5782 | 1700 To get the full path use: > |
| 1701 echo exepath(v:progpath) | |
| 1702 < NOTE: This does not work when the command is a relative path | |
| 1703 and the current directory has changed. | |
| 5780 | 1704 Read-only. |
| 1705 | |
| 7 | 1706 *v:register* *register-variable* |
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1707 v:register The name of the register in effect for the current normal mode |
| 3492 | 1708 command (regardless of whether that command actually used a |
| 1709 register). Or for the currently executing normal mode mapping | |
| 1710 (use this in custom commands that take a register). | |
| 1711 If none is supplied it is the default register '"', unless | |
| 1712 'clipboard' contains "unnamed" or "unnamedplus", then it is | |
| 1713 '*' or '+'. | |
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1714 Also see |getreg()| and |setreg()| |
| 7 | 1715 |
| 540 | 1716 *v:scrollstart* *scrollstart-variable* |
| 1717 v:scrollstart String describing the script or function that caused the | |
| 1718 screen to scroll up. It's only set when it is empty, thus the | |
| 1719 first reason is remembered. It is set to "Unknown" for a | |
| 1720 typed command. | |
| 1721 This can be used to find out why your script causes the | |
| 1722 hit-enter prompt. | |
| 1723 | |
| 7 | 1724 *v:servername* *servername-variable* |
| 1725 v:servername The resulting registered |x11-clientserver| name if any. | |
| 1726 Read-only. | |
| 1727 | |
| 1621 | 1728 |
| 1729 v:searchforward *v:searchforward* *searchforward-variable* | |
| 1730 Search direction: 1 after a forward search, 0 after a | |
| 1731 backward search. It is reset to forward when directly setting | |
| 1732 the last search pattern, see |quote/|. | |
| 1733 Note that the value is restored when returning from a | |
| 1734 function. |function-search-undo|. | |
| 1735 Read-write. | |
| 1736 | |
| 7 | 1737 *v:shell_error* *shell_error-variable* |
| 1738 v:shell_error Result of the last shell command. When non-zero, the last | |
| 1739 shell command had an error. When zero, there was no problem. | |
| 1740 This only works when the shell returns the error code to Vim. | |
| 1741 The value -1 is often used when the command could not be | |
| 1742 executed. Read-only. | |
| 1743 Example: > | |
| 1744 :!mv foo bar | |
| 1745 :if v:shell_error | |
| 1746 : echo 'could not rename "foo" to "bar"!' | |
| 1747 :endif | |
| 1748 < "shell_error" also works, for backwards compatibility. | |
| 1749 | |
| 1750 *v:statusmsg* *statusmsg-variable* | |
| 1751 v:statusmsg Last given status message. It's allowed to set this variable. | |
| 1752 | |
| 579 | 1753 *v:swapname* *swapname-variable* |
| 1754 v:swapname Only valid when executing |SwapExists| autocommands: Name of | |
| 1755 the swap file found. Read-only. | |
| 1756 | |
| 1757 *v:swapchoice* *swapchoice-variable* | |
| 1758 v:swapchoice |SwapExists| autocommands can set this to the selected choice | |
| 1759 for handling an existing swap file: | |
| 1760 'o' Open read-only | |
| 1761 'e' Edit anyway | |
| 1762 'r' Recover | |
| 1763 'd' Delete swapfile | |
| 1764 'q' Quit | |
| 1765 'a' Abort | |
| 1621 | 1766 The value should be a single-character string. An empty value |
| 579 | 1767 results in the user being asked, as would happen when there is |
| 1768 no SwapExists autocommand. The default is empty. | |
| 1769 | |
| 590 | 1770 *v:swapcommand* *swapcommand-variable* |
| 625 | 1771 v:swapcommand Normal mode command to be executed after a file has been |
| 590 | 1772 opened. Can be used for a |SwapExists| autocommand to have |
| 1621 | 1773 another Vim open the file and jump to the right place. For |
| 590 | 1774 example, when jumping to a tag the value is ":tag tagname\r". |
| 716 | 1775 For ":edit +cmd file" the value is ":cmd\r". |
| 590 | 1776 |
| 7 | 1777 *v:termresponse* *termresponse-variable* |
| 1778 v:termresponse The escape sequence returned by the terminal for the |t_RV| | |
| 1621 | 1779 termcap entry. It is set when Vim receives an escape sequence |
| 7 | 1780 that starts with ESC [ or CSI and ends in a 'c', with only |
| 1781 digits, ';' and '.' in between. | |
| 1782 When this option is set, the TermResponse autocommand event is | |
| 1783 fired, so that you can react to the response from the | |
| 1784 terminal. | |
| 1785 The response from a new xterm is: "<Esc>[ Pp ; Pv ; Pc c". Pp | |
| 1786 is the terminal type: 0 for vt100 and 1 for vt220. Pv is the | |
| 1787 patch level (since this was introduced in patch 95, it's | |
| 1788 always 95 or bigger). Pc is always zero. | |
| 1789 {only when compiled with |+termresponse| feature} | |
| 1790 | |
|
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1791 *v:testing* *testing-variable* |
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1792 v:testing Must be set before using `test_garbagecollect_now()`. |
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1793 |
| 7 | 1794 *v:this_session* *this_session-variable* |
| 1795 v:this_session Full filename of the last loaded or saved session file. See | |
| 1796 |:mksession|. It is allowed to set this variable. When no | |
| 1797 session file has been saved, this variable is empty. | |
| 1798 "this_session" also works, for backwards compatibility. | |
| 1799 | |
| 1800 *v:throwpoint* *throwpoint-variable* | |
| 1801 v:throwpoint The point where the exception most recently caught and not | |
| 1621 | 1802 finished was thrown. Not set when commands are typed. See |
| 7 | 1803 also |v:exception| and |throw-variables|. |
| 1804 Example: > | |
| 1805 :try | |
| 1806 : throw "oops" | |
| 1807 :catch /.*/ | |
| 1808 : echo "Exception from" v:throwpoint | |
| 1809 :endtry | |
| 1810 < Output: "Exception from test.vim, line 2" | |
| 1811 | |
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1812 *v:true* *true-variable* |
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1813 v:true A Number with value one. Used to put "true" in JSON. See |
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1814 |json_encode()|. |
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1815 When used as a string this evaluates to "v:true". > |
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1816 echo v:true |
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1817 < v:true ~ |
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1818 That is so that eval() can parse the string back to the same |
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1819 value. |
| 102 | 1820 *v:val* *val-variable* |
| 1621 | 1821 v:val Value of the current item of a |List| or |Dictionary|. Only |
| 685 | 1822 valid while evaluating the expression used with |map()| and |
| 102 | 1823 |filter()|. Read-only. |
| 1824 | |
| 7 | 1825 *v:version* *version-variable* |
| 1826 v:version Version number of Vim: Major version number times 100 plus | |
| 1827 minor version number. Version 5.0 is 500. Version 5.1 (5.01) | |
| 1828 is 501. Read-only. "version" also works, for backwards | |
| 1829 compatibility. | |
| 1830 Use |has()| to check if a certain patch was included, e.g.: > | |
| 5786 | 1831 if has("patch-7.4.123") |
| 7 | 1832 < Note that patch numbers are specific to the version, thus both |
| 1833 version 5.0 and 5.1 may have a patch 123, but these are | |
| 1834 completely different. | |
| 1835 | |
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1836 *v:vim_did_enter* *vim_did_enter-variable* |
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1837 v:vim_did_enter Zero until most of startup is done. It is set to one just |
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1838 before |VimEnter| autocommands are triggered. |
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1839 |
| 7 | 1840 *v:warningmsg* *warningmsg-variable* |
| 1841 v:warningmsg Last given warning message. It's allowed to set this variable. | |
| 1842 | |
| 2609 | 1843 *v:windowid* *windowid-variable* |
| 1844 v:windowid When any X11 based GUI is running or when running in a | |
| 1845 terminal and Vim connects to the X server (|-X|) this will be | |
| 2616 | 1846 set to the window ID. |
| 1847 When an MS-Windows GUI is running this will be set to the | |
| 1848 window handle. | |
| 1849 Otherwise the value is zero. | |
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1850 Note: for windows inside Vim use |winnr()| or |win_getid()|. |
| 2609 | 1851 |
| 7 | 1852 ============================================================================== |
| 1853 4. Builtin Functions *functions* | |
| 1854 | |
| 1855 See |function-list| for a list grouped by what the function is used for. | |
| 1856 | |
| 236 | 1857 (Use CTRL-] on the function name to jump to the full explanation.) |
| 7 | 1858 |
| 1859 USAGE RESULT DESCRIPTION ~ | |
| 1860 | |
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1861 abs({expr}) Float or Number absolute value of {expr} |
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1862 acos({expr}) Float arc cosine of {expr} |
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1863 add({list}, {item}) List append {item} to |List| {list} |
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1864 and({expr}, {expr}) Number bitwise AND |
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1865 append({lnum}, {string}) Number append {string} below line {lnum} |
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1866 append({lnum}, {list}) Number append lines {list} below line {lnum} |
| 7 | 1867 argc() Number number of files in the argument list |
| 55 | 1868 argidx() Number current index in the argument list |
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1869 arglistid([{winnr} [, {tabnr}]]) Number argument list id |
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1870 argv({nr}) String {nr} entry of the argument list |
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1871 argv() List the argument list |
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1872 assert_equal({exp}, {act} [, {msg}]) none assert {exp} is equal to {act} |
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1873 assert_exception({error} [, {msg}]) none assert {error} is in v:exception |
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1874 assert_fails({cmd} [, {error}]) none assert {cmd} fails |
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1875 assert_false({actual} [, {msg}]) none assert {actual} is false |
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1876 assert_match({pat}, {text} [, {msg}]) none assert {pat} matches {text} |
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1877 assert_notequal({exp}, {act} [, {msg}]) none assert {exp} is not equal {act} |
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1878 assert_notmatch({pat}, {text} [, {msg}]) none assert {pat} not matches {text} |
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1879 assert_true({actual} [, {msg}]) none assert {actual} is true |
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1880 asin({expr}) Float arc sine of {expr} |
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1881 atan({expr}) Float arc tangent of {expr} |
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1882 atan2({expr}, {expr}) Float arc tangent of {expr1} / {expr2} |
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1883 browse({save}, {title}, {initdir}, {default}) |
| 7 | 1884 String put up a file requester |
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1885 browsedir({title}, {initdir}) String put up a directory requester |
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1886 bufexists({expr}) Number TRUE if buffer {expr} exists |
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1887 buflisted({expr}) Number TRUE if buffer {expr} is listed |
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1888 bufloaded({expr}) Number TRUE if buffer {expr} is loaded |
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1889 bufname({expr}) String Name of the buffer {expr} |
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1890 bufnr({expr} [, {create}]) Number Number of the buffer {expr} |
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1891 bufwinid({expr}) Number window ID of buffer {expr} |
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1892 bufwinnr({expr}) Number window number of buffer {expr} |
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1893 byte2line({byte}) Number line number at byte count {byte} |
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1894 byteidx({expr}, {nr}) Number byte index of {nr}'th char in {expr} |
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1895 byteidxcomp({expr}, {nr}) Number byte index of {nr}'th char in {expr} |
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1896 call({func}, {arglist} [, {dict}]) |
| 102 | 1897 any call {func} with arguments {arglist} |
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1898 ceil({expr}) Float round {expr} up |
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1899 ch_close({handle}) none close {handle} |
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1900 ch_evalexpr({handle}, {expr} [, {options}]) |
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1901 any evaluate {expr} on JSON {handle} |
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1902 ch_evalraw({handle}, {string} [, {options}]) |
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1903 any evaluate {string} on raw {handle} |
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1904 ch_getbufnr({handle}, {what}) Number get buffer number for {handle}/{what} |
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1905 ch_getjob({channel}) Job get the Job of {channel} |
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1906 ch_info({handle}) String info about channel {handle} |
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1907 ch_log({msg} [, {handle}]) none write {msg} in the channel log file |
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1908 ch_logfile({fname} [, {mode}]) none start logging channel activity |
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1909 ch_open({address} [, {options}]) |
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1910 Channel open a channel to {address} |
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1911 ch_read({handle} [, {options}]) String read from {handle} |
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1912 ch_readraw({handle} [, {options}]) |
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1913 String read raw from {handle} |
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1914 ch_sendexpr({handle}, {expr} [, {options}]) |
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1915 any send {expr} over JSON {handle} |
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1916 ch_sendraw({handle}, {string} [, {options}]) |
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1917 any send {string} over raw {handle} |
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1918 ch_setoptions({handle}, {options}) |
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1919 none set options for {handle} |
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1920 ch_status({handle}) String status of channel {handle} |
| 1621 | 1921 changenr() Number current change number |
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1922 char2nr({expr}[, {utf8}]) Number ASCII/UTF8 value of first char in {expr} |
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1923 cindent({lnum}) Number C indent for line {lnum} |
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2033
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1924 clearmatches() none clear all matches |
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1925 col({expr}) Number column nr of cursor or mark |
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1926 complete({startcol}, {matches}) none set Insert mode completion |
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1927 complete_add({expr}) Number add completion match |
| 1621 | 1928 complete_check() Number check for key typed during completion |
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1929 confirm({msg} [, {choices} [, {default} [, {type}]]]) |
| 7 | 1930 Number number of choice picked by user |
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1931 copy({expr}) any make a shallow copy of {expr} |
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1932 cos({expr}) Float cosine of {expr} |
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1933 cosh({expr}) Float hyperbolic cosine of {expr} |
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1934 count({list}, {expr} [, {ic} [, {start}]]) |
| 95 | 1935 Number count how many {expr} are in {list} |
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1936 cscope_connection([{num} , {dbpath} [, {prepend}]]) |
| 7 | 1937 Number checks existence of cscope connection |
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1938 cursor({lnum}, {col} [, {off}]) |
| 6385 | 1939 Number move cursor to {lnum}, {col}, {off} |
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1940 cursor({list}) Number move cursor to position in {list} |
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1941 deepcopy({expr} [, {noref}]) any make a full copy of {expr} |
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1942 delete({fname} [, {flags}]) Number delete the file or directory {fname} |
| 7 | 1943 did_filetype() Number TRUE if FileType autocommand event used |
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1944 diff_filler({lnum}) Number diff filler lines about {lnum} |
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1945 diff_hlID({lnum}, {col}) Number diff highlighting at {lnum}/{col} |
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1946 empty({expr}) Number TRUE if {expr} is empty |
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1947 escape({string}, {chars}) String escape {chars} in {string} with '\' |
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1948 eval({string}) any evaluate {string} into its value |
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1949 eventhandler() Number TRUE if inside an event handler |
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1950 executable({expr}) Number 1 if executable {expr} exists |
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1951 exepath({expr}) String full path of the command {expr} |
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1952 exists({expr}) Number TRUE if {expr} exists |
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1953 extend({expr1}, {expr2} [, {expr3}]) |
| 824 | 1954 List/Dict insert items of {expr2} into {expr1} |
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1955 exp({expr}) Float exponential of {expr} |
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1956 expand({expr} [, {nosuf} [, {list}]]) |
| 3398 | 1957 any expand special keywords in {expr} |
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1958 feedkeys({string} [, {mode}]) Number add key sequence to typeahead buffer |
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1959 filereadable({file}) Number TRUE if {file} is a readable file |
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1960 filewritable({file}) Number TRUE if {file} is a writable file |
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1961 filter({expr}, {string}) List/Dict remove items from {expr} where |
| 102 | 1962 {string} is 0 |
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1963 finddir({name}[, {path}[, {count}]]) |
| 824 | 1964 String find directory {name} in {path} |
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1965 findfile({name}[, {path}[, {count}]]) |
| 824 | 1966 String find file {name} in {path} |
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1967 float2nr({expr}) Number convert Float {expr} to a Number |
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1968 floor({expr}) Float round {expr} down |
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1969 fmod({expr1}, {expr2}) Float remainder of {expr1} / {expr2} |
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1970 fnameescape({fname}) String escape special characters in {fname} |
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1971 fnamemodify({fname}, {mods}) String modify file name |
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1972 foldclosed({lnum}) Number first line of fold at {lnum} if closed |
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1973 foldclosedend({lnum}) Number last line of fold at {lnum} if closed |
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1974 foldlevel({lnum}) Number fold level at {lnum} |
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1975 foldtext() String line displayed for closed fold |
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1976 foldtextresult({lnum}) String text for closed fold at {lnum} |
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1977 foreground() Number bring the Vim window to the foreground |
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1978 function({name} [, {arglist}] [, {dict}]) |
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1979 Funcref reference to function {name} |
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1980 garbagecollect([{atexit}]) none free memory, breaking cyclic references |
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1981 get({list}, {idx} [, {def}]) any get item {idx} from {list} or {def} |
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1982 get({dict}, {key} [, {def}]) any get item {key} from {dict} or {def} |
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1983 get({func}, {what}) any get property of funcref/partial {func} |
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1984 getbufline({expr}, {lnum} [, {end}]) |
| 435 | 1985 List lines {lnum} to {end} of buffer {expr} |
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1986 getbufvar({expr}, {varname} [, {def}]) |
| 4157 | 1987 any variable {varname} in buffer {expr} |
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1988 getchar([expr]) Number get one character from the user |
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1989 getcharmod() Number modifiers for the last typed character |
| 7013 | 1990 getcharsearch() Dict last character search |
| 7 | 1991 getcmdline() String return the current command-line |
| 1992 getcmdpos() Number return cursor position in command-line | |
| 6153 | 1993 getcmdtype() String return current command-line type |
| 1994 getcmdwintype() String return current command-line window type | |
| 5944 | 1995 getcurpos() List position of the cursor |
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1996 getcwd([{winnr} [, {tabnr}]]) String get the current working directory |
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1997 getfontname([{name}]) String name of font being used |
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1998 getfperm({fname}) String file permissions of file {fname} |
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1999 getfsize({fname}) Number size in bytes of file {fname} |
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2000 getftime({fname}) Number last modification time of file |
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2001 getftype({fname}) String description of type of file {fname} |
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2002 getline({lnum}) String line {lnum} of current buffer |
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2003 getline({lnum}, {end}) List lines {lnum} to {end} of current buffer |
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2004 getloclist({nr}) List list of location list items |
| 1326 | 2005 getmatches() List list of current matches |
| 1548 | 2006 getpid() Number process ID of Vim |
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2007 getpos({expr}) List position of cursor, mark, etc. |
| 230 | 2008 getqflist() List list of quickfix items |
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2009 getreg([{regname} [, 1 [, {list}]]]) |
| 5796 | 2010 String or List contents of register |
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2011 getregtype([{regname}]) String type of register |
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2012 gettabvar({nr}, {varname} [, {def}]) |
| 4157 | 2013 any variable {varname} in tab {nr} or {def} |
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2014 gettabwinvar({tabnr}, {winnr}, {name} [, {def}]) |
| 831 | 2015 any {name} in {winnr} in tab page {tabnr} |
| 7 | 2016 getwinposx() Number X coord in pixels of GUI Vim window |
| 2017 getwinposy() Number Y coord in pixels of GUI Vim window | |
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2018 getwinvar({nr}, {varname} [, {def}]) |
| 4157 | 2019 any variable {varname} in window {nr} |
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2020 glob({expr} [, {nosuf} [, {list} [, {alllinks}]]]) |
| 3398 | 2021 any expand file wildcards in {expr} |
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2022 glob2regpat({expr}) String convert a glob pat into a search pat |
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2023 globpath({path}, {expr} [, {nosuf} [, {list} [, {alllinks}]]]) |
| 1754 | 2024 String do glob({expr}) for all dirs in {path} |
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2025 has({feature}) Number TRUE if feature {feature} supported |
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2026 has_key({dict}, {key}) Number TRUE if {dict} has entry {key} |
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2027 haslocaldir([{winnr} [, {tabnr}]]) |
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2028 Number TRUE if the window executed |:lcd| |
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2029 hasmapto({what} [, {mode} [, {abbr}]]) |
| 782 | 2030 Number TRUE if mapping to {what} exists |
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2031 histadd({history}, {item}) String add an item to a history |
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2032 histdel({history} [, {item}]) String remove an item from a history |
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2033 histget({history} [, {index}]) String get the item {index} from a history |
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2034 histnr({history}) Number highest index of a history |
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2035 hlexists({name}) Number TRUE if highlight group {name} exists |
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2036 hlID({name}) Number syntax ID of highlight group {name} |
| 7 | 2037 hostname() String name of the machine Vim is running on |
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2038 iconv({expr}, {from}, {to}) String convert encoding of {expr} |
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2039 indent({lnum}) Number indent of line {lnum} |
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2040 index({list}, {expr} [, {start} [, {ic}]]) |
| 95 | 2041 Number index in {list} where {expr} appears |
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2042 input({prompt} [, {text} [, {completion}]]) |
| 531 | 2043 String get input from the user |
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2044 inputdialog({prompt} [, {text} [, {completion}]]]) |
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2045 String like input() but in a GUI dialog |
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2046 inputlist({textlist}) Number let the user pick from a choice list |
| 55 | 2047 inputrestore() Number restore typeahead |
| 2048 inputsave() Number save and clear typeahead | |
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2049 inputsecret({prompt} [, {text}]) String like input() but hiding the text |
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2050 insert({list}, {item} [, {idx}]) List insert {item} in {list} [before {idx}] |
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2051 invert({expr}) Number bitwise invert |
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2052 isdirectory({directory}) Number TRUE if {directory} is a directory |
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2053 islocked({expr}) Number TRUE if {expr} is locked |
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2054 isnan({expr}) Number TRUE if {expr} is NaN |
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2055 items({dict}) List key-value pairs in {dict} |
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2056 job_getchannel({job}) Channel get the channel handle for {job} |
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2057 job_info({job}) Dict get information about {job} |
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2058 job_setoptions({job}, {options}) none set options for {job} |
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2059 job_start({command} [, {options}]) |
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2060 Job start a job |
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2061 job_status({job}) String get the status of {job} |
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2062 job_stop({job} [, {how}]) Number stop {job} |
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2063 join({list} [, {sep}]) String join {list} items into one String |
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2064 js_decode({string}) any decode JS style JSON |
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2065 js_encode({expr}) String encode JS style JSON |
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2066 json_decode({string}) any decode JSON |
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2067 json_encode({expr}) String encode JSON |
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2068 keys({dict}) List keys in {dict} |
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2069 len({expr}) Number the length of {expr} |
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2070 libcall({lib}, {func}, {arg}) String call {func} in library {lib} with {arg} |
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2071 libcallnr({lib}, {func}, {arg}) Number idem, but return a Number |
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2072 line({expr}) Number line nr of cursor, last line or mark |
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2073 line2byte({lnum}) Number byte count of line {lnum} |
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2074 lispindent({lnum}) Number Lisp indent for line {lnum} |
| 7 | 2075 localtime() Number current time |
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2076 log({expr}) Float natural logarithm (base e) of {expr} |
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2077 log10({expr}) Float logarithm of Float {expr} to base 10 |
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2078 luaeval({expr}[, {expr}]) any evaluate |Lua| expression |
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2079 map({expr}, {string}) List/Dict change each item in {expr} to {expr} |
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2080 maparg({name}[, {mode} [, {abbr} [, {dict}]]]) |
| 3224 | 2081 String or Dict |
| 2082 rhs of mapping {name} in mode {mode} | |
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2083 mapcheck({name}[, {mode} [, {abbr}]]) |
| 782 | 2084 String check for mappings matching {name} |
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2085 match({expr}, {pat}[, {start}[, {count}]]) |
| 7 | 2086 Number position where {pat} matches in {expr} |
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2087 matchadd({group}, {pattern}[, {priority}[, {id} [, {dict}]]]) |
| 1326 | 2088 Number highlight {pattern} with {group} |
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2089 matchaddpos({group}, {pos}[, {priority}[, {id}[, {dict}]]]) |
| 5979 | 2090 Number highlight positions with {group} |
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2091 matcharg({nr}) List arguments of |:match| |
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2092 matchdelete({id}) Number delete match identified by {id} |
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2093 matchend({expr}, {pat}[, {start}[, {count}]]) |
| 7 | 2094 Number position where {pat} ends in {expr} |
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2095 matchlist({expr}, {pat}[, {start}[, {count}]]) |
| 158 | 2096 List match and submatches of {pat} in {expr} |
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2097 matchstr({expr}, {pat}[, {start}[, {count}]]) |
| 19 | 2098 String {count}'th match of {pat} in {expr} |
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2099 matchstrpos({expr}, {pat}[, {start}[, {count}]]) |
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2100 List {count}'th match of {pat} in {expr} |
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2101 max({list}) Number maximum value of items in {list} |
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2102 min({list}) Number minimum value of items in {list} |
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2103 mkdir({name} [, {path} [, {prot}]]) |
| 168 | 2104 Number create directory {name} |
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2105 mode([expr]) String current editing mode |
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2106 mzeval({expr}) any evaluate |MzScheme| expression |
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2107 nextnonblank({lnum}) Number line nr of non-blank line >= {lnum} |
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2108 nr2char({expr}[, {utf8}]) String single char with ASCII/UTF8 value {expr} |
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2109 or({expr}, {expr}) Number bitwise OR |
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2110 pathshorten({expr}) String shorten directory names in a path |
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2111 perleval({expr}) any evaluate |Perl| expression |
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2112 pow({x}, {y}) Float {x} to the power of {y} |
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2113 prevnonblank({lnum}) Number line nr of non-blank line <= {lnum} |
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2114 printf({fmt}, {expr1}...) String format text |
| 1621 | 2115 pumvisible() Number whether popup menu is visible |
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2116 pyeval({expr}) any evaluate |Python| expression |
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2117 py3eval({expr}) any evaluate |python3| expression |
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2118 range({expr} [, {max} [, {stride}]]) |
| 99 | 2119 List items from {expr} to {max} |
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2120 readfile({fname} [, {binary} [, {max}]]) |
| 168 | 2121 List get list of lines from file {fname} |
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2122 reltime([{start} [, {end}]]) List get time value |
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2123 reltimefloat({time}) Float turn the time value into a Float |
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2124 reltimestr({time}) String turn time value into a String |
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2125 remote_expr({server}, {string} [, {idvar}]) |
| 7 | 2126 String send expression |
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2127 remote_foreground({server}) Number bring Vim server to the foreground |
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2128 remote_peek({serverid} [, {retvar}]) |
| 7 | 2129 Number check for reply string |
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2130 remote_read({serverid}) String read reply string |
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2131 remote_send({server}, {string} [, {idvar}]) |
| 7 | 2132 String send key sequence |
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2133 remove({list}, {idx} [, {end}]) any remove items {idx}-{end} from {list} |
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2134 remove({dict}, {key}) any remove entry {key} from {dict} |
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2135 rename({from}, {to}) Number rename (move) file from {from} to {to} |
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2136 repeat({expr}, {count}) String repeat {expr} {count} times |
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2137 resolve({filename}) String get filename a shortcut points to |
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2138 reverse({list}) List reverse {list} in-place |
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2139 round({expr}) Float round off {expr} |
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2140 screenattr({row}, {col}) Number attribute at screen position |
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2141 screenchar({row}, {col}) Number character at screen position |
| 3986 | 2142 screencol() Number current cursor column |
| 2143 screenrow() Number current cursor row | |
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2144 search({pattern} [, {flags} [, {stopline} [, {timeout}]]]) |
| 1496 | 2145 Number search for {pattern} |
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2146 searchdecl({name} [, {global} [, {thisblock}]]) |
| 1621 | 2147 Number search for variable declaration |
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2148 searchpair({start}, {middle}, {end} [, {flags} [, {skip} [...]]]) |
| 55 | 2149 Number search for other end of start/end pair |
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2150 searchpairpos({start}, {middle}, {end} [, {flags} [, {skip} [...]]]) |
| 667 | 2151 List search for other end of start/end pair |
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2152 searchpos({pattern} [, {flags} [, {stopline} [, {timeout}]]]) |
| 667 | 2153 List search for {pattern} |
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2154 server2client({clientid}, {string}) |
| 7 | 2155 Number send reply string |
| 2156 serverlist() String get a list of available servers | |
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2157 setbufvar({expr}, {varname}, {val}) |
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2158 none set {varname} in buffer {expr} to {val} |
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2159 setcharsearch({dict}) Dict set character search from {dict} |
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2160 setcmdpos({pos}) Number set cursor position in command-line |
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2161 setfperm({fname}, {mode}) Number set {fname} file permissions to {mode} |
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2162 setline({lnum}, {line}) Number set line {lnum} to {line} |
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2163 setloclist({nr}, {list}[, {action}]) |
| 647 | 2164 Number modify location list using {list} |
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2165 setmatches({list}) Number restore a list of matches |
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2166 setpos({expr}, {list}) Number set the {expr} position to {list} |
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2167 setqflist({list}[, {action}]) Number modify quickfix list using {list} |
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2168 setreg({n}, {v}[, {opt}]) Number set register to value and type |
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2169 settabvar({nr}, {varname}, {val}) none set {varname} in tab page {nr} to {val} |
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2170 settabwinvar({tabnr}, {winnr}, {varname}, {val}) |
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2171 none set {varname} in window {winnr} in tab |
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2172 page {tabnr} to {val} |
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2173 setwinvar({nr}, {varname}, {val}) none set {varname} in window {nr} to {val} |
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2174 sha256({string}) String SHA256 checksum of {string} |
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2175 shellescape({string} [, {special}]) |
| 1661 | 2176 String escape {string} for use as shell |
| 985 | 2177 command argument |
| 3875 | 2178 shiftwidth() Number effective value of 'shiftwidth' |
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2179 simplify({filename}) String simplify filename as much as possible |
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2180 sin({expr}) Float sine of {expr} |
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2181 sinh({expr}) Float hyperbolic sine of {expr} |
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2182 sort({list} [, {func} [, {dict}]]) |
| 2902 | 2183 List sort {list}, using {func} to compare |
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2184 soundfold({word}) String sound-fold {word} |
| 344 | 2185 spellbadword() String badly spelled word at cursor |
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2186 spellsuggest({word} [, {max} [, {capital}]]) |
| 537 | 2187 List spelling suggestions |
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2188 split({expr} [, {pat} [, {keepempty}]]) |
| 685 | 2189 List make |List| from {pat} separated {expr} |
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2190 sqrt({expr}) Float square root of {expr} |
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2191 str2float({expr}) Float convert String to Float |
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2192 str2nr({expr} [, {base}]) Number convert String to Number |
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2193 strchars({expr} [, {skipcc}]) Number character length of the String {expr} |
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2194 strcharpart({str}, {start}[, {len}]) |
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2195 String {len} characters of {str} at {start} |
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2196 strdisplaywidth({expr} [, {col}]) Number display length of the String {expr} |
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2197 strftime({format}[, {time}]) String time in specified format |
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2198 strgetchar({str}, {index}) Number get char {index} from {str} |
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2199 stridx({haystack}, {needle}[, {start}]) |
| 133 | 2200 Number index of {needle} in {haystack} |
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2201 string({expr}) String String representation of {expr} value |
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2202 strlen({expr}) Number length of the String {expr} |
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2203 strpart({str}, {start}[, {len}]) |
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2204 String {len} characters of {str} at {start} |
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2205 strridx({haystack}, {needle} [, {start}]) |
| 140 | 2206 Number last index of {needle} in {haystack} |
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2207 strtrans({expr}) String translate string to make it printable |
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2208 strwidth({expr}) Number display cell length of the String {expr} |
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2209 submatch({nr}[, {list}]) String or List |
| 5794 | 2210 specific match in ":s" or substitute() |
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2211 substitute({expr}, {pat}, {sub}, {flags}) |
| 7 | 2212 String all {pat} in {expr} replaced with {sub} |
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2213 synID({lnum}, {col}, {trans}) Number syntax ID at {lnum} and {col} |
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2214 synIDattr({synID}, {what} [, {mode}]) |
| 7 | 2215 String attribute {what} of syntax ID {synID} |
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2216 synIDtrans({synID}) Number translated syntax ID of {synID} |
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2217 synconcealed({lnum}, {col}) List info about concealing |
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2218 synstack({lnum}, {col}) List stack of syntax IDs at {lnum} and {col} |
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2219 system({expr} [, {input}]) String output of shell command/filter {expr} |
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2220 systemlist({expr} [, {input}]) List output of shell command/filter {expr} |
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2221 tabpagebuflist([{arg}]) List list of buffer numbers in tab page |
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2222 tabpagenr([{arg}]) Number number of current or last tab page |
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2223 tabpagewinnr({tabarg}[, {arg}]) Number number of current window in tab page |
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2224 taglist({expr}) List list of tags matching {expr} |
| 1621 | 2225 tagfiles() List tags files used |
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2226 tan({expr}) Float tangent of {expr} |
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2227 tanh({expr}) Float hyperbolic tangent of {expr} |
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2228 tempname() String name for a temporary file |
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2229 test_alloc_fail({id}, {countdown}, {repeat}) |
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2230 none make memory allocation fail |
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2231 test_disable_char_avail({expr}) none test without typeahead |
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2232 test_garbagecollect_now() none free memory right now for testing |
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2233 test_null_channel() Channel null value for testing |
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2234 test_null_dict() Dict null value for testing |
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2235 test_null_job() Job null value for testing |
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2236 test_null_list() List null value for testing |
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2237 test_null_partial() Funcref null value for testing |
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2238 test_null_string() String null value for testing |
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2239 test_settime({expr}) none set current time for testing |
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2240 timer_start({time}, {callback} [, {options}]) |
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2241 Number create a timer |
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2242 timer_stop({timer}) none stop a timer |
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2243 tolower({expr}) String the String {expr} switched to lowercase |
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2244 toupper({expr}) String the String {expr} switched to uppercase |
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2245 tr({src}, {fromstr}, {tostr}) String translate chars of {src} in {fromstr} |
| 15 | 2246 to chars in {tostr} |
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2247 trunc({expr}) Float truncate Float {expr} |
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2248 type({name}) Number type of variable {name} |
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2249 undofile({name}) String undo file name for {name} |
|
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2250 undotree() List undo file tree |
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2251 uniq({list} [, {func} [, {dict}]]) |
| 5747 | 2252 List remove adjacent duplicates from a list |
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2253 values({dict}) List values in {dict} |
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2254 virtcol({expr}) Number screen column of cursor or mark |
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2255 visualmode([expr]) String last visual mode used |
| 4151 | 2256 wildmenumode() Number whether 'wildmenu' mode is active |
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2257 win_findbuf({bufnr}) List find windows containing {bufnr} |
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2258 win_getid([{win} [, {tab}]]) Number get window ID for {win} in {tab} |
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2259 win_gotoid({expr}) Number go to window with ID {expr} |
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2260 win_id2tabwin({expr}) List get tab and window nr from window ID |
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2261 win_id2win({expr}) Number get window nr from window ID |
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2262 winbufnr({nr}) Number buffer number of window {nr} |
| 7 | 2263 wincol() Number window column of the cursor |
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2264 winheight({nr}) Number height of window {nr} |
| 7 | 2265 winline() Number window line of the cursor |
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2266 winnr([{expr}]) Number number of current window |
| 55 | 2267 winrestcmd() String returns command to restore window sizes |
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2268 winrestview({dict}) none restore view of current window |
| 712 | 2269 winsaveview() Dict save view of current window |
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2270 winwidth({nr}) Number width of window {nr} |
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2271 wordcount() Dict get byte/char/word statistics |
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2272 writefile({list}, {fname} [, {flags}]) |
| 158 | 2273 Number write list of lines to file {fname} |
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2274 xor({expr}, {expr}) Number bitwise XOR |
| 7 | 2275 |
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2276 |
| 1621 | 2277 abs({expr}) *abs()* |
| 2278 Return the absolute value of {expr}. When {expr} evaluates to | |
| 2279 a |Float| abs() returns a |Float|. When {expr} can be | |
| 2280 converted to a |Number| abs() returns a |Number|. Otherwise | |
| 2281 abs() gives an error message and returns -1. | |
| 2282 Examples: > | |
| 2283 echo abs(1.456) | |
| 2284 < 1.456 > | |
| 2285 echo abs(-5.456) | |
| 2286 < 5.456 > | |
| 2287 echo abs(-4) | |
| 2288 < 4 | |
| 2289 {only available when compiled with the |+float| feature} | |
| 2290 | |
|
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2291 |
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2292 acos({expr}) *acos()* |
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2293 Return the arc cosine of {expr} measured in radians, as a |
|
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2294 |Float| in the range of [0, pi]. |
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2295 {expr} must evaluate to a |Float| or a |Number| in the range |
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2296 [-1, 1]. |
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2297 Examples: > |
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2298 :echo acos(0) |
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2299 < 1.570796 > |
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2300 :echo acos(-0.5) |
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2301 < 2.094395 |
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2302 {only available when compiled with the |+float| feature} |
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2303 |
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2304 |
| 82 | 2305 add({list}, {expr}) *add()* |
| 685 | 2306 Append the item {expr} to |List| {list}. Returns the |
| 2307 resulting |List|. Examples: > | |
| 82 | 2308 :let alist = add([1, 2, 3], item) |
| 2309 :call add(mylist, "woodstock") | |
| 685 | 2310 < Note that when {expr} is a |List| it is appended as a single |
| 692 | 2311 item. Use |extend()| to concatenate |Lists|. |
| 85 | 2312 Use |insert()| to add an item at another position. |
| 55 | 2313 |
| 82 | 2314 |
| 3214 | 2315 and({expr}, {expr}) *and()* |
| 2316 Bitwise AND on the two arguments. The arguments are converted | |
| 2317 to a number. A List, Dict or Float argument causes an error. | |
| 2318 Example: > | |
| 2319 :let flag = and(bits, 0x80) | |
| 2320 | |
| 2321 | |
| 82 | 2322 append({lnum}, {expr}) *append()* |
| 685 | 2323 When {expr} is a |List|: Append each item of the |List| as a |
| 2324 text line below line {lnum} in the current buffer. | |
| 153 | 2325 Otherwise append {expr} as one text line below line {lnum} in |
| 2326 the current buffer. | |
| 2327 {lnum} can be zero to insert a line before the first one. | |
| 82 | 2328 Returns 1 for failure ({lnum} out of range or out of memory), |
| 1621 | 2329 0 for success. Example: > |
| 55 | 2330 :let failed = append(line('$'), "# THE END") |
| 82 | 2331 :let failed = append(0, ["Chapter 1", "the beginning"]) |
| 55 | 2332 < |
| 7 | 2333 *argc()* |
| 2334 argc() The result is the number of files in the argument list of the | |
| 2335 current window. See |arglist|. | |
| 2336 | |
| 2337 *argidx()* | |
| 2338 argidx() The result is the current index in the argument list. 0 is | |
| 2339 the first file. argc() - 1 is the last one. See |arglist|. | |
| 2340 | |
| 5942 | 2341 *arglistid()* |
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2342 arglistid([{winnr} [, {tabnr}]]) |
| 5942 | 2343 Return the argument list ID. This is a number which |
| 2344 identifies the argument list being used. Zero is used for the | |
| 6153 | 2345 global argument list. See |arglist|. |
| 2346 Return -1 if the arguments are invalid. | |
| 5942 | 2347 |
| 2348 Without arguments use the current window. | |
| 2349 With {winnr} only use this window in the current tab page. | |
| 2350 With {winnr} and {tabnr} use the window in the specified tab | |
| 2351 page. | |
|
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2352 {winnr} can be the window number or the window ID. |
| 5942 | 2353 |
| 7 | 2354 *argv()* |
| 818 | 2355 argv([{nr}]) The result is the {nr}th file in the argument list of the |
| 7 | 2356 current window. See |arglist|. "argv(0)" is the first one. |
| 2357 Example: > | |
| 2358 :let i = 0 | |
| 2359 :while i < argc() | |
| 1621 | 2360 : let f = escape(fnameescape(argv(i)), '.') |
| 7 | 2361 : exe 'amenu Arg.' . f . ' :e ' . f . '<CR>' |
| 2362 : let i = i + 1 | |
| 2363 :endwhile | |
| 818 | 2364 < Without the {nr} argument a |List| with the whole |arglist| is |
| 2365 returned. | |
| 2366 | |
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2367 *assert_equal()* |
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2368 assert_equal({expected}, {actual} [, {msg}]) |
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2369 When {expected} and {actual} are not equal an error message is |
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2370 added to |v:errors|. |
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2371 There is no automatic conversion, the String "4" is different |
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2372 from the Number 4. And the number 4 is different from the |
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2373 Float 4.0. The value of 'ignorecase' is not used here, case |
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2374 always matters. |
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2375 When {msg} is omitted an error in the form "Expected |
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2376 {expected} but got {actual}" is produced. |
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2377 Example: > |
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2378 assert_equal('foo', 'bar') |
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2379 < Will result in a string to be added to |v:errors|: |
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2380 test.vim line 12: Expected 'foo' but got 'bar' ~ |
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2381 |
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2382 assert_exception({error} [, {msg}]) *assert_exception()* |
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2383 When v:exception does not contain the string {error} an error |
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2384 message is added to |v:errors|. |
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2385 This can be used to assert that a command throws an exception. |
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2386 Using the error number, followed by a colon, avoids problems |
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2387 with translations: > |
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2388 try |
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2389 commandthatfails |
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2390 call assert_false(1, 'command should have failed') |
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2391 catch |
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2392 call assert_exception('E492:') |
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2393 endtry |
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2394 |
|
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2395 assert_fails({cmd} [, {error}]) *assert_fails()* |
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2396 Run {cmd} and add an error message to |v:errors| if it does |
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2397 NOT produce an error. |
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2398 When {error} is given it must match |v:errmsg|. |
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2399 |
|
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2400 assert_false({actual} [, {msg}]) *assert_false()* |
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2401 When {actual} is not false an error message is added to |
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2402 |v:errors|, like with |assert_equal()|. |
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2403 A value is false when it is zero. When {actual} is not a |
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2404 number the assert fails. |
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2405 When {msg} is omitted an error in the form "Expected False but |
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2406 got {actual}" is produced. |
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2407 |
|
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2408 *assert_match()* |
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2409 assert_match({pattern}, {actual} [, {msg}]) |
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2410 When {pattern} does not match {actual} an error message is |
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2411 added to |v:errors|. |
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2412 |
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2413 {pattern} is used as with |=~|: The matching is always done |
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2414 like 'magic' was set and 'cpoptions' is empty, no matter what |
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2415 the actual value of 'magic' or 'cpoptions' is. |
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2416 |
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diff
changeset
|
2417 {actual} is used as a string, automatic conversion applies. |
|
65a5a18d3acf
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diff
changeset
|
2418 Use "^" and "$" to match with the start and end of the text. |
|
65a5a18d3acf
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parents:
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diff
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|
2419 Use both to match the whole text. |
|
65a5a18d3acf
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diff
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|
2420 |
|
65a5a18d3acf
commit https://github.com/vim/vim/commit/ea6553bec340920d8a09c7210cdc2d218e25ace2
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parents:
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diff
changeset
|
2421 When {msg} is omitted an error in the form "Pattern {pattern} |
|
65a5a18d3acf
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diff
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|
2422 does not match {actual}" is produced. |
|
65a5a18d3acf
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|
2423 Example: > |
|
65a5a18d3acf
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|
2424 assert_match('^f.*o$', 'foobar') |
|
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|
2425 < Will result in a string to be added to |v:errors|: |
|
65a5a18d3acf
commit https://github.com/vim/vim/commit/ea6553bec340920d8a09c7210cdc2d218e25ace2
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diff
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|
2426 test.vim line 12: Pattern '^f.*o$' does not match 'foobar' ~ |
|
65a5a18d3acf
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2427 |
|
8831
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|
2428 *assert_notequal()* |
|
6f41d68aa68e
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2429 assert_notequal({expected}, {actual} [, {msg}]) |
|
6f41d68aa68e
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|
2430 The opposite of `assert_equal()`: add an error message to |
|
6f41d68aa68e
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|
2431 |v:errors| when {expected} and {actual} are equal. |
|
6f41d68aa68e
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2432 |
|
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2433 *assert_notmatch()* |
|
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2434 assert_notmatch({pattern}, {actual} [, {msg}]) |
|
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|
2435 The opposite of `assert_match()`: add an error message to |
|
6f41d68aa68e
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|
2436 |v:errors| when {pattern} matches {actual}. |
|
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2437 |
|
7584
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2438 assert_true({actual} [, {msg}]) *assert_true()* |
|
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|
2439 When {actual} is not true an error message is added to |
|
7584
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2440 |v:errors|, like with |assert_equal()|. |
|
9b7de205336d
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2441 A value is true when it is a non-zero number. When {actual} |
|
7277
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|
2442 is not a number the assert fails. |
|
7279
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commit https://github.com/vim/vim/commit/683fa185a4b4ed7595e5942901548b8239ed5cdb
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|
2443 When {msg} is omitted an error in the form "Expected True but |
|
b5e9810b389d
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|
2444 got {actual}" is produced. |
|
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2445 |
|
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2446 asin({expr}) *asin()* |
|
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2447 Return the arc sine of {expr} measured in radians, as a |Float| |
|
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2448 in the range of [-pi/2, pi/2]. |
|
2337
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2449 {expr} must evaluate to a |Float| or a |Number| in the range |
|
2206
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2450 [-1, 1]. |
|
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2451 Examples: > |
|
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2452 :echo asin(0.8) |
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2453 < 0.927295 > |
|
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2454 :echo asin(-0.5) |
|
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2455 < -0.523599 |
|
2570
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2456 {only available when compiled with the |+float| feature} |
|
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2457 |
|
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|
2458 |
| 1621 | 2459 atan({expr}) *atan()* |
| 2460 Return the principal value of the arc tangent of {expr}, in | |
| 2461 the range [-pi/2, +pi/2] radians, as a |Float|. | |
| 2462 {expr} must evaluate to a |Float| or a |Number|. | |
| 2463 Examples: > | |
| 2464 :echo atan(100) | |
| 2465 < 1.560797 > | |
| 2466 :echo atan(-4.01) | |
| 2467 < -1.326405 | |
| 2468 {only available when compiled with the |+float| feature} | |
| 2469 | |
|
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2470 |
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2471 atan2({expr1}, {expr2}) *atan2()* |
|
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2472 Return the arc tangent of {expr1} / {expr2}, measured in |
|
2337
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2473 radians, as a |Float| in the range [-pi, pi]. |
|
a0f87fc19d1d
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|
2474 {expr1} and {expr2} must evaluate to a |Float| or a |Number|. |
|
2206
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2475 Examples: > |
|
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2476 :echo atan2(-1, 1) |
|
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2477 < -0.785398 > |
|
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2478 :echo atan2(1, -1) |
|
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|
2479 < 2.356194 |
|
2570
71b56b4e7785
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|
2480 {only available when compiled with the |+float| feature} |
|
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diff
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2481 |
|
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|
2482 |
| 7 | 2483 *browse()* |
| 2484 browse({save}, {title}, {initdir}, {default}) | |
| 2485 Put up a file requester. This only works when "has("browse")" | |
| 2486 returns non-zero (only in some GUI versions). | |
| 2487 The input fields are: | |
| 2488 {save} when non-zero, select file to write | |
| 2489 {title} title for the requester | |
| 2490 {initdir} directory to start browsing in | |
| 2491 {default} default file name | |
| 2492 When the "Cancel" button is hit, something went wrong, or | |
| 2493 browsing is not possible, an empty string is returned. | |
| 2494 | |
| 29 | 2495 *browsedir()* |
| 2496 browsedir({title}, {initdir}) | |
| 2497 Put up a directory requester. This only works when | |
| 2498 "has("browse")" returns non-zero (only in some GUI versions). | |
| 2499 On systems where a directory browser is not supported a file | |
| 2500 browser is used. In that case: select a file in the directory | |
| 2501 to be used. | |
| 2502 The input fields are: | |
| 2503 {title} title for the requester | |
| 2504 {initdir} directory to start browsing in | |
| 2505 When the "Cancel" button is hit, something went wrong, or | |
| 2506 browsing is not possible, an empty string is returned. | |
| 2507 | |
| 7 | 2508 bufexists({expr}) *bufexists()* |
| 2509 The result is a Number, which is non-zero if a buffer called | |
| 2510 {expr} exists. | |
| 9 | 2511 If the {expr} argument is a number, buffer numbers are used. |
| 7 | 2512 If the {expr} argument is a string it must match a buffer name |
| 9 | 2513 exactly. The name can be: |
| 2514 - Relative to the current directory. | |
| 2515 - A full path. | |
| 1621 | 2516 - The name of a buffer with 'buftype' set to "nofile". |
| 9 | 2517 - A URL name. |
| 7 | 2518 Unlisted buffers will be found. |
| 2519 Note that help files are listed by their short name in the | |
| 2520 output of |:buffers|, but bufexists() requires using their | |
| 2521 long name to be able to find them. | |
| 1621 | 2522 bufexists() may report a buffer exists, but to use the name |
| 2523 with a |:buffer| command you may need to use |expand()|. Esp | |
| 2524 for MS-Windows 8.3 names in the form "c:\DOCUME~1" | |
| 7 | 2525 Use "bufexists(0)" to test for the existence of an alternate |
| 2526 file name. | |
| 2527 *buffer_exists()* | |
| 2528 Obsolete name: buffer_exists(). | |
| 2529 | |
| 2530 buflisted({expr}) *buflisted()* | |
| 2531 The result is a Number, which is non-zero if a buffer called | |
| 2532 {expr} exists and is listed (has the 'buflisted' option set). | |
| 9 | 2533 The {expr} argument is used like with |bufexists()|. |
| 7 | 2534 |
| 2535 bufloaded({expr}) *bufloaded()* | |
| 2536 The result is a Number, which is non-zero if a buffer called | |
| 2537 {expr} exists and is loaded (shown in a window or hidden). | |
| 9 | 2538 The {expr} argument is used like with |bufexists()|. |
| 7 | 2539 |
| 2540 bufname({expr}) *bufname()* | |
| 2541 The result is the name of a buffer, as it is displayed by the | |
| 2542 ":ls" command. | |
| 2543 If {expr} is a Number, that buffer number's name is given. | |
| 2544 Number zero is the alternate buffer for the current window. | |
| 2545 If {expr} is a String, it is used as a |file-pattern| to match | |
| 1621 | 2546 with the buffer names. This is always done like 'magic' is |
| 7 | 2547 set and 'cpoptions' is empty. When there is more than one |
| 2548 match an empty string is returned. | |
| 2549 "" or "%" can be used for the current buffer, "#" for the | |
| 2550 alternate buffer. | |
| 2551 A full match is preferred, otherwise a match at the start, end | |
| 1156 | 2552 or middle of the buffer name is accepted. If you only want a |
| 2553 full match then put "^" at the start and "$" at the end of the | |
| 2554 pattern. | |
| 7 | 2555 Listed buffers are found first. If there is a single match |
| 2556 with a listed buffer, that one is returned. Next unlisted | |
| 2557 buffers are searched for. | |
| 2558 If the {expr} is a String, but you want to use it as a buffer | |
| 2559 number, force it to be a Number by adding zero to it: > | |
| 2560 :echo bufname("3" + 0) | |
| 2561 < If the buffer doesn't exist, or doesn't have a name, an empty | |
| 2562 string is returned. > | |
| 2563 bufname("#") alternate buffer name | |
| 2564 bufname(3) name of buffer 3 | |
| 2565 bufname("%") name of current buffer | |
| 2566 bufname("file2") name of buffer where "file2" matches. | |
| 2567 < *buffer_name()* | |
| 2568 Obsolete name: buffer_name(). | |
| 2569 | |
| 2570 *bufnr()* | |
| 707 | 2571 bufnr({expr} [, {create}]) |
| 2572 The result is the number of a buffer, as it is displayed by | |
| 7 | 2573 the ":ls" command. For the use of {expr}, see |bufname()| |
| 707 | 2574 above. |
| 2575 If the buffer doesn't exist, -1 is returned. Or, if the | |
| 2576 {create} argument is present and not zero, a new, unlisted, | |
| 2577 buffer is created and its number is returned. | |
| 7 | 2578 bufnr("$") is the last buffer: > |
| 2579 :let last_buffer = bufnr("$") | |
| 2580 < The result is a Number, which is the highest buffer number | |
| 2581 of existing buffers. Note that not all buffers with a smaller | |
| 2582 number necessarily exist, because ":bwipeout" may have removed | |
| 2583 them. Use bufexists() to test for the existence of a buffer. | |
| 2584 *buffer_number()* | |
| 2585 Obsolete name: buffer_number(). | |
| 2586 *last_buffer_nr()* | |
| 2587 Obsolete name for bufnr("$"): last_buffer_nr(). | |
| 2588 | |
|
9219
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9121
diff
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|
2589 bufwinid({expr}) *bufwinid()* |
|
7363f5cc4cb8
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|
2590 The result is a Number, which is the window ID of the first |
|
7363f5cc4cb8
commit https://github.com/vim/vim/commit/b3619a90eae2702553ff9494ecc4c9b20c13c224
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diff
changeset
|
2591 window associated with buffer {expr}. For the use of {expr}, |
|
7363f5cc4cb8
commit https://github.com/vim/vim/commit/b3619a90eae2702553ff9494ecc4c9b20c13c224
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diff
changeset
|
2592 see |bufname()| above. If buffer {expr} doesn't exist or |
|
7363f5cc4cb8
commit https://github.com/vim/vim/commit/b3619a90eae2702553ff9494ecc4c9b20c13c224
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9121
diff
changeset
|
2593 there is no such window, -1 is returned. Example: > |
|
7363f5cc4cb8
commit https://github.com/vim/vim/commit/b3619a90eae2702553ff9494ecc4c9b20c13c224
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changeset
|
2594 |
|
7363f5cc4cb8
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parents:
9121
diff
changeset
|
2595 echo "A window containing buffer 1 is " . (bufwinid(1)) |
|
7363f5cc4cb8
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parents:
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diff
changeset
|
2596 < |
|
7363f5cc4cb8
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diff
changeset
|
2597 Only deals with the current tab page. |
|
7363f5cc4cb8
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Christian Brabandt <cb@256bit.org>
parents:
9121
diff
changeset
|
2598 |
| 7 | 2599 bufwinnr({expr}) *bufwinnr()* |
| 2600 The result is a Number, which is the number of the first | |
| 2601 window associated with buffer {expr}. For the use of {expr}, | |
| 1621 | 2602 see |bufname()| above. If buffer {expr} doesn't exist or |
| 7 | 2603 there is no such window, -1 is returned. Example: > |
| 2604 | |
| 2605 echo "A window containing buffer 1 is " . (bufwinnr(1)) | |
| 2606 | |
| 2607 < The number can be used with |CTRL-W_w| and ":wincmd w" | |
| 2608 |:wincmd|. | |
| 1156 | 2609 Only deals with the current tab page. |
| 7 | 2610 |
| 2611 byte2line({byte}) *byte2line()* | |
| 2612 Return the line number that contains the character at byte | |
| 2613 count {byte} in the current buffer. This includes the | |
| 2614 end-of-line character, depending on the 'fileformat' option | |
| 2615 for the current buffer. The first character has byte count | |
| 2616 one. | |
| 2617 Also see |line2byte()|, |go| and |:goto|. | |
| 2618 {not available when compiled without the |+byte_offset| | |
| 2619 feature} | |
| 2620 | |
| 18 | 2621 byteidx({expr}, {nr}) *byteidx()* |
| 2622 Return byte index of the {nr}'th character in the string | |
| 2623 {expr}. Use zero for the first character, it returns zero. | |
| 2624 This function is only useful when there are multibyte | |
| 2625 characters, otherwise the returned value is equal to {nr}. | |
| 5413 | 2626 Composing characters are not counted separately, their byte |
| 2627 length is added to the preceding base character. See | |
| 2628 |byteidxcomp()| below for counting composing characters | |
| 2629 separately. | |
| 18 | 2630 Example : > |
| 2631 echo matchstr(str, ".", byteidx(str, 3)) | |
| 2632 < will display the fourth character. Another way to do the | |
| 2633 same: > | |
| 2634 let s = strpart(str, byteidx(str, 3)) | |
| 2635 echo strpart(s, 0, byteidx(s, 1)) | |
|
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2636 < Also see |strgetchar()| and |strcharpart()|. |
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2637 |
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2638 If there are less than {nr} characters -1 is returned. |
| 18 | 2639 If there are exactly {nr} characters the length of the string |
| 5413 | 2640 in bytes is returned. |
| 2641 | |
| 2642 byteidxcomp({expr}, {nr}) *byteidxcomp()* | |
| 2643 Like byteidx(), except that a composing character is counted | |
| 2644 as a separate character. Example: > | |
| 2645 let s = 'e' . nr2char(0x301) | |
| 2646 echo byteidx(s, 1) | |
| 2647 echo byteidxcomp(s, 1) | |
| 2648 echo byteidxcomp(s, 2) | |
| 2649 < The first and third echo result in 3 ('e' plus composing | |
| 2650 character is 3 bytes), the second echo results in 1 ('e' is | |
| 2651 one byte). | |
| 2652 Only works different from byteidx() when 'encoding' is set to | |
| 2653 a Unicode encoding. | |
| 18 | 2654 |
| 102 | 2655 call({func}, {arglist} [, {dict}]) *call()* *E699* |
| 685 | 2656 Call function {func} with the items in |List| {arglist} as |
| 79 | 2657 arguments. |
| 685 | 2658 {func} can either be a |Funcref| or the name of a function. |
| 79 | 2659 a:firstline and a:lastline are set to the cursor line. |
| 2660 Returns the return value of the called function. | |
| 102 | 2661 {dict} is for functions with the "dict" attribute. It will be |
| 2662 used to set the local variable "self". |Dictionary-function| | |
| 79 | 2663 |
| 1621 | 2664 ceil({expr}) *ceil()* |
| 2665 Return the smallest integral value greater than or equal to | |
| 2666 {expr} as a |Float| (round up). | |
| 2667 {expr} must evaluate to a |Float| or a |Number|. | |
| 2668 Examples: > | |
| 2669 echo ceil(1.456) | |
| 2670 < 2.0 > | |
| 2671 echo ceil(-5.456) | |
| 2672 < -5.0 > | |
| 2673 echo ceil(4.0) | |
| 2674 < 4.0 | |
| 2675 {only available when compiled with the |+float| feature} | |
| 2676 | |
| 777 | 2677 changenr() *changenr()* |
| 2678 Return the number of the most recent change. This is the same | |
| 2679 number as what is displayed with |:undolist| and can be used | |
| 2680 with the |:undo| command. | |
| 2681 When a change was made it is the number of that change. After | |
| 2682 redo it is the number of the redone change. After undo it is | |
| 2683 one less than the number of the undone change. | |
| 2684 | |
| 4051 | 2685 char2nr({expr}[, {utf8}]) *char2nr()* |
| 7 | 2686 Return number value of the first char in {expr}. Examples: > |
| 2687 char2nr(" ") returns 32 | |
| 2688 char2nr("ABC") returns 65 | |
| 4051 | 2689 < When {utf8} is omitted or zero, the current 'encoding' is used. |
| 2690 Example for "utf-8": > | |
| 1156 | 2691 char2nr("á") returns 225 |
| 2692 char2nr("á"[0]) returns 195 | |
| 4051 | 2693 < With {utf8} set to 1, always treat as utf-8 characters. |
| 2694 A combining character is a separate character. | |
| 2965 | 2695 |nr2char()| does the opposite. |
| 7 | 2696 |
| 2697 cindent({lnum}) *cindent()* | |
| 2698 Get the amount of indent for line {lnum} according the C | |
| 2699 indenting rules, as with 'cindent'. | |
| 2700 The indent is counted in spaces, the value of 'tabstop' is | |
| 2701 relevant. {lnum} is used just like in |getline()|. | |
| 2702 When {lnum} is invalid or Vim was not compiled the |+cindent| | |
| 2703 feature, -1 is returned. | |
| 548 | 2704 See |C-indenting|. |
| 7 | 2705 |
| 1326 | 2706 clearmatches() *clearmatches()* |
| 2707 Clears all matches previously defined by |matchadd()| and the | |
| 2708 |:match| commands. | |
| 2709 | |
| 7 | 2710 *col()* |
| 24 | 2711 col({expr}) The result is a Number, which is the byte index of the column |
| 7 | 2712 position given with {expr}. The accepted positions are: |
| 2713 . the cursor position | |
| 2714 $ the end of the cursor line (the result is the | |
| 3513 | 2715 number of bytes in the cursor line plus one) |
| 7 | 2716 'x position of mark x (if the mark is not set, 0 is |
| 2717 returned) | |
| 6447 | 2718 v In Visual mode: the start of the Visual area (the |
| 2719 cursor is the end). When not in Visual mode | |
| 2720 returns the cursor position. Differs from |'<| in | |
| 2721 that it's updated right away. | |
| 1317 | 2722 Additionally {expr} can be [lnum, col]: a |List| with the line |
| 2723 and column number. Most useful when the column is "$", to get | |
| 1621 | 2724 the last column of a specific line. When "lnum" or "col" is |
| 1317 | 2725 out of range then col() returns zero. |
| 1156 | 2726 To get the line number use |line()|. To get both use |
| 703 | 2727 |getpos()|. |
| 7 | 2728 For the screen column position use |virtcol()|. |
| 2729 Note that only marks in the current file can be used. | |
| 2730 Examples: > | |
| 2731 col(".") column of cursor | |
| 2732 col("$") length of cursor line plus one | |
| 2733 col("'t") column of mark t | |
| 2734 col("'" . markname) column of mark markname | |
| 1621 | 2735 < The first column is 1. 0 is returned for an error. |
| 1156 | 2736 For an uppercase mark the column may actually be in another |
| 2737 buffer. | |
| 7 | 2738 For the cursor position, when 'virtualedit' is active, the |
| 2739 column is one higher if the cursor is after the end of the | |
| 2740 line. This can be used to obtain the column in Insert mode: > | |
| 2741 :imap <F2> <C-O>:let save_ve = &ve<CR> | |
| 2742 \<C-O>:set ve=all<CR> | |
| 2743 \<C-O>:echo col(".") . "\n" <Bar> | |
| 2744 \let &ve = save_ve<CR> | |
| 2745 < | |
| 464 | 2746 |
| 724 | 2747 complete({startcol}, {matches}) *complete()* *E785* |
| 2748 Set the matches for Insert mode completion. | |
| 2749 Can only be used in Insert mode. You need to use a mapping | |
| 1156 | 2750 with CTRL-R = |i_CTRL-R|. It does not work after CTRL-O or |
| 2751 with an expression mapping. | |
| 724 | 2752 {startcol} is the byte offset in the line where the completed |
| 2753 text start. The text up to the cursor is the original text | |
| 2754 that will be replaced by the matches. Use col('.') for an | |
| 2755 empty string. "col('.') - 1" will replace one character by a | |
| 2756 match. | |
| 2757 {matches} must be a |List|. Each |List| item is one match. | |
| 2758 See |complete-items| for the kind of items that are possible. | |
| 2759 Note that the after calling this function you need to avoid | |
|
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2760 inserting anything that would cause completion to stop. |
| 724 | 2761 The match can be selected with CTRL-N and CTRL-P as usual with |
| 2762 Insert mode completion. The popup menu will appear if | |
| 2763 specified, see |ins-completion-menu|. | |
| 2764 Example: > | |
| 1156 | 2765 inoremap <F5> <C-R>=ListMonths()<CR> |
| 724 | 2766 |
| 2767 func! ListMonths() | |
| 2768 call complete(col('.'), ['January', 'February', 'March', | |
| 2769 \ 'April', 'May', 'June', 'July', 'August', 'September', | |
| 2770 \ 'October', 'November', 'December']) | |
| 2771 return '' | |
| 2772 endfunc | |
| 2773 < This isn't very useful, but it shows how it works. Note that | |
| 2774 an empty string is returned to avoid a zero being inserted. | |
| 2775 | |
| 464 | 2776 complete_add({expr}) *complete_add()* |
| 2777 Add {expr} to the list of matches. Only to be used by the | |
| 2778 function specified with the 'completefunc' option. | |
| 2779 Returns 0 for failure (empty string or out of memory), | |
| 2780 1 when the match was added, 2 when the match was already in | |
| 2781 the list. | |
| 1621 | 2782 See |complete-functions| for an explanation of {expr}. It is |
| 786 | 2783 the same as one item in the list that 'omnifunc' would return. |
| 464 | 2784 |
| 2785 complete_check() *complete_check()* | |
| 2786 Check for a key typed while looking for completion matches. | |
| 2787 This is to be used when looking for matches takes some time. | |
| 2788 Returns non-zero when searching for matches is to be aborted, | |
| 2789 zero otherwise. | |
| 2790 Only to be used by the function specified with the | |
| 2791 'completefunc' option. | |
| 2792 | |
| 7 | 2793 *confirm()* |
| 2794 confirm({msg} [, {choices} [, {default} [, {type}]]]) | |
| 2795 Confirm() offers the user a dialog, from which a choice can be | |
| 2796 made. It returns the number of the choice. For the first | |
| 2797 choice this is 1. | |
| 2798 Note: confirm() is only supported when compiled with dialog | |
| 2799 support, see |+dialog_con| and |+dialog_gui|. | |
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2800 |
| 7 | 2801 {msg} is displayed in a |dialog| with {choices} as the |
| 2802 alternatives. When {choices} is missing or empty, "&OK" is | |
| 2803 used (and translated). | |
| 2804 {msg} is a String, use '\n' to include a newline. Only on | |
| 2805 some systems the string is wrapped when it doesn't fit. | |
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2806 |
| 7 | 2807 {choices} is a String, with the individual choices separated |
| 2808 by '\n', e.g. > | |
| 2809 confirm("Save changes?", "&Yes\n&No\n&Cancel") | |
| 2810 < The letter after the '&' is the shortcut key for that choice. | |
| 2811 Thus you can type 'c' to select "Cancel". The shortcut does | |
| 2812 not need to be the first letter: > | |
| 2813 confirm("file has been modified", "&Save\nSave &All") | |
| 2814 < For the console, the first letter of each choice is used as | |
| 2815 the default shortcut key. | |
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2816 |
| 7 | 2817 The optional {default} argument is the number of the choice |
| 2818 that is made if the user hits <CR>. Use 1 to make the first | |
| 2819 choice the default one. Use 0 to not set a default. If | |
| 2820 {default} is omitted, 1 is used. | |
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2821 |
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2822 The optional {type} argument gives the type of dialog. This |
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2823 is only used for the icon of the GTK, Mac, Motif and Win32 |
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2824 GUI. It can be one of these values: "Error", "Question", |
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2825 "Info", "Warning" or "Generic". Only the first character is |
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2826 relevant. When {type} is omitted, "Generic" is used. |
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2827 |
| 7 | 2828 If the user aborts the dialog by pressing <Esc>, CTRL-C, |
| 2829 or another valid interrupt key, confirm() returns 0. | |
| 2830 | |
| 2831 An example: > | |
| 2832 :let choice = confirm("What do you want?", "&Apples\n&Oranges\n&Bananas", 2) | |
| 2833 :if choice == 0 | |
| 2834 : echo "make up your mind!" | |
| 2835 :elseif choice == 3 | |
| 2836 : echo "tasteful" | |
| 2837 :else | |
| 2838 : echo "I prefer bananas myself." | |
| 2839 :endif | |
| 2840 < In a GUI dialog, buttons are used. The layout of the buttons | |
| 2841 depends on the 'v' flag in 'guioptions'. If it is included, | |
| 1621 | 2842 the buttons are always put vertically. Otherwise, confirm() |
| 7 | 2843 tries to put the buttons in one horizontal line. If they |
| 2844 don't fit, a vertical layout is used anyway. For some systems | |
| 2845 the horizontal layout is always used. | |
| 2846 | |
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2847 ch_close({handle}) *ch_close()* |
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2848 Close {handle}. See |channel-close|. |
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2849 {handle} can be Channel or a Job that has a Channel. |
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2850 |
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2851 {only available when compiled with the |+channel| feature} |
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2852 |
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2853 ch_evalexpr({handle}, {expr} [, {options}]) *ch_evalexpr()* |
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2854 Send {expr} over {handle}. The {expr} is encoded |
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2855 according to the type of channel. The function cannot be used |
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2856 with a raw channel. See |channel-use|. |
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2857 {handle} can be Channel or a Job that has a Channel. |
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2858 *E917* |
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2859 {options} must be a Dictionary. It must not have a "callback" |
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2860 entry. It can have a "timeout" entry to specify the timeout |
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2861 for this specific request. |
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2862 |
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2863 ch_evalexpr() waits for a response and returns the decoded |
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2864 expression. When there is an error or timeout it returns an |
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2865 empty string. |
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2866 |
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2867 {only available when compiled with the |+channel| feature} |
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2868 |
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2869 ch_evalraw({handle}, {string} [, {options}]) *ch_evalraw()* |
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2870 Send {string} over {handle}. |
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2871 {handle} can be Channel or a Job that has a Channel. |
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2872 |
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2873 Works like |ch_evalexpr()|, but does not encode the request or |
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2874 decode the response. The caller is responsible for the |
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2875 correct contents. Also does not add a newline for a channel |
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2876 in NL mode, the caller must do that. The NL in the response |
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2877 is removed. |
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parents:
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|
2878 See |channel-use|. |
|
e05e28dcb590
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diff
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|
2879 |
|
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diff
changeset
|
2880 {only available when compiled with the |+channel| feature} |
|
e05e28dcb590
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diff
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|
2881 |
|
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parents:
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diff
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|
2882 ch_getbufnr({handle}, {what}) *ch_getbufnr()* |
|
4c6ad81d41fe
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diff
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|
2883 Get the buffer number that {handle} is using for {what}. |
|
4c6ad81d41fe
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2884 {handle} can be Channel or a Job that has a Channel. |
|
8291
ac0c43e7af20
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2885 {what} can be "err" for stderr, "out" for stdout or empty for |
|
ac0c43e7af20
commit https://github.com/vim/vim/commit/c7f0ebc6d1e1cdaed816b88a0d6092c5ace615eb
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diff
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|
2886 socket output. |
|
ac0c43e7af20
commit https://github.com/vim/vim/commit/c7f0ebc6d1e1cdaed816b88a0d6092c5ace615eb
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diff
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|
2887 Returns -1 when there is no buffer. |
|
ac0c43e7af20
commit https://github.com/vim/vim/commit/c7f0ebc6d1e1cdaed816b88a0d6092c5ace615eb
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diff
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|
2888 {only available when compiled with the |+channel| feature} |
|
ac0c43e7af20
commit https://github.com/vim/vim/commit/c7f0ebc6d1e1cdaed816b88a0d6092c5ace615eb
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
2889 |
|
8178
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commit https://github.com/vim/vim/commit/02e83b438ea7071fdb176dabbaefea319ab2d686
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diff
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|
2890 ch_getjob({channel}) *ch_getjob()* |
|
e77efd7a7dad
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parents:
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diff
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|
2891 Get the Job associated with {channel}. |
|
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diff
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|
2892 If there is no job calling |job_status()| on the returned Job |
|
e77efd7a7dad
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diff
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|
2893 will result in "fail". |
|
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2894 |
|
e77efd7a7dad
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|
2895 {only available when compiled with the |+channel| and |
|
e77efd7a7dad
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parents:
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|
2896 |+job| features} |
|
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|
2897 |
|
8669
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diff
changeset
|
2898 ch_info({handle}) *ch_info()* |
|
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diff
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|
2899 Returns a Dictionary with information about {handle}. The |
|
06848fe9c816
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diff
changeset
|
2900 items are: |
|
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parents:
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diff
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|
2901 "id" number of the channel |
|
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parents:
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diff
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|
2902 "status" "open" (any part is open) or "closed" |
|
06848fe9c816
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parents:
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diff
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|
2903 When opened with ch_open(): |
|
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parents:
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diff
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|
2904 "hostname" the hostname of the address |
|
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diff
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|
2905 "port" the port of the address |
|
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parents:
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diff
changeset
|
2906 "sock_status" "open" or "closed" |
|
06848fe9c816
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diff
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|
2907 "sock_mode" "NL", "RAW", "JSON" or "JS" |
|
06848fe9c816
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diff
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|
2908 "sock_io" "socket" |
|
06848fe9c816
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diff
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|
2909 "sock_timeout" timeout in msec |
|
06848fe9c816
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parents:
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diff
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|
2910 When opened with job_start(): |
|
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diff
changeset
|
2911 "out_status" "open" or "closed" |
|
06848fe9c816
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diff
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|
2912 "out_mode" "NL", "RAW", "JSON" or "JS" |
|
06848fe9c816
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parents:
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diff
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|
2913 "out_io" "null", "pipe", "file" or "buffer" |
|
06848fe9c816
commit https://github.com/vim/vim/commit/03602ec28ed25739e88b2c835adb0662d3720bb2
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diff
changeset
|
2914 "out_timeout" timeout in msec |
|
06848fe9c816
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diff
changeset
|
2915 "err_status" "open" or "closed" |
|
06848fe9c816
commit https://github.com/vim/vim/commit/03602ec28ed25739e88b2c835adb0662d3720bb2
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parents:
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diff
changeset
|
2916 "err_mode" "NL", "RAW", "JSON" or "JS" |
|
06848fe9c816
commit https://github.com/vim/vim/commit/03602ec28ed25739e88b2c835adb0662d3720bb2
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parents:
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diff
changeset
|
2917 "err_io" "out", "null", "pipe", "file" or "buffer" |
|
06848fe9c816
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parents:
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diff
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|
2918 "err_timeout" timeout in msec |
|
06848fe9c816
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diff
changeset
|
2919 "in_status" "open" or "closed" |
|
06848fe9c816
commit https://github.com/vim/vim/commit/03602ec28ed25739e88b2c835adb0662d3720bb2
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parents:
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diff
changeset
|
2920 "in_mode" "NL", "RAW", "JSON" or "JS" |
|
06848fe9c816
commit https://github.com/vim/vim/commit/03602ec28ed25739e88b2c835adb0662d3720bb2
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parents:
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diff
changeset
|
2921 "in_io" "null", "pipe", "file" or "buffer" |
|
06848fe9c816
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2922 "in_timeout" timeout in msec |
|
06848fe9c816
commit https://github.com/vim/vim/commit/03602ec28ed25739e88b2c835adb0662d3720bb2
Christian Brabandt <cb@256bit.org>
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diff
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|
2923 |
|
8440
4c6ad81d41fe
commit https://github.com/vim/vim/commit/5f148ec0b5a6cedd9129b3abac351034b83cc4f7
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2924 ch_log({msg} [, {handle}]) *ch_log()* |
|
8148
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diff
changeset
|
2925 Write {msg} in the channel log file, if it was opened with |
|
f5da459c5698
commit https://github.com/vim/vim/commit/e0fa3742ead676a3074a10edadbc955e1a89153d
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2926 |ch_logfile()|. |
|
8440
4c6ad81d41fe
commit https://github.com/vim/vim/commit/5f148ec0b5a6cedd9129b3abac351034b83cc4f7
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2927 When {handle} is passed the channel number is used for the |
|
4c6ad81d41fe
commit https://github.com/vim/vim/commit/5f148ec0b5a6cedd9129b3abac351034b83cc4f7
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2928 message. |
|
4c6ad81d41fe
commit https://github.com/vim/vim/commit/5f148ec0b5a6cedd9129b3abac351034b83cc4f7
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2929 {handle} can be Channel or a Job that has a Channel. The |
|
4c6ad81d41fe
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|
2930 Channel must open. |
|
8148
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changeset
|
2931 |
|
f5da459c5698
commit https://github.com/vim/vim/commit/e0fa3742ead676a3074a10edadbc955e1a89153d
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2932 ch_logfile({fname} [, {mode}]) *ch_logfile()* |
|
8031
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parents:
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diff
changeset
|
2933 Start logging channel activity to {fname}. |
|
8061
abd64cf67bcf
commit https://github.com/vim/vim/commit/38a55639d603823efcf2d2fdf542dbffdeb60b75
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diff
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|
2934 When {fname} is an empty string: stop logging. |
|
abd64cf67bcf
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
2935 |
|
8031
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parents:
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diff
changeset
|
2936 When {mode} is omitted or "a" append to the file. |
|
ece323e2b57f
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parents:
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diff
changeset
|
2937 When {mode} is "w" start with an empty file. |
|
8061
abd64cf67bcf
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diff
changeset
|
2938 |
|
abd64cf67bcf
commit https://github.com/vim/vim/commit/38a55639d603823efcf2d2fdf542dbffdeb60b75
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diff
changeset
|
2939 The file is flushed after every message, on Unix you can use |
|
abd64cf67bcf
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
2940 "tail -f" to see what is going on in real time. |
|
8031
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parents:
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diff
changeset
|
2941 |
|
8392
1bf1b88968a2
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diff
changeset
|
2942 |
|
8148
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diff
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|
2943 ch_open({address} [, {options}]) *ch_open()* |
|
7788
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changeset
|
2944 Open a channel to {address}. See |channel|. |
|
8748
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commit https://github.com/vim/vim/commit/4f3f668c8486444e53163c29d2fc79bf47eb3c82
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diff
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|
2945 Returns a Channel. Use |ch_status()| to check for failure. |
|
7788
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changeset
|
2946 |
|
192ae655ac91
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diff
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|
2947 {address} has the form "hostname:port", e.g., |
|
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|
2948 "localhost:8765". |
|
192ae655ac91
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|
2949 |
|
8748
b1a19a2f73f0
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parents:
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diff
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|
2950 If {options} is given it must be a |Dictionary|. |
|
b1a19a2f73f0
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diff
changeset
|
2951 See |channel-open-options|. |
|
b1a19a2f73f0
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|
2952 |
|
7957
b74549818500
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|
2953 {only available when compiled with the |+channel| feature} |
|
7788
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diff
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|
2954 |
|
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diff
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|
2955 ch_read({handle} [, {options}]) *ch_read()* |
|
4c6ad81d41fe
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parents:
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diff
changeset
|
2956 Read from {handle} and return the received message. |
|
4c6ad81d41fe
commit https://github.com/vim/vim/commit/5f148ec0b5a6cedd9129b3abac351034b83cc4f7
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diff
changeset
|
2957 {handle} can be Channel or a Job that has a Channel. |
|
8748
b1a19a2f73f0
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diff
changeset
|
2958 See |channel-more|. |
|
b1a19a2f73f0
commit https://github.com/vim/vim/commit/4f3f668c8486444e53163c29d2fc79bf47eb3c82
Christian Brabandt <cb@256bit.org>
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diff
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|
2959 {only available when compiled with the |+channel| feature} |
|
8178
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diff
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|
2960 |
|
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|
2961 ch_readraw({handle} [, {options}]) *ch_readraw()* |
|
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|
2962 Like ch_read() but for a JS and JSON channel does not decode |
|
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|
2963 the message. See |channel-more|. |
|
b1a19a2f73f0
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|
2964 {only available when compiled with the |+channel| feature} |
|
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|
2965 |
|
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|
2966 ch_sendexpr({handle}, {expr} [, {options}]) *ch_sendexpr()* |
|
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|
2967 Send {expr} over {handle}. The {expr} is encoded |
|
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|
2968 according to the type of channel. The function cannot be used |
|
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|
2969 with a raw channel. |
|
b1a19a2f73f0
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|
2970 See |channel-use|. *E912* |
|
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|
2971 {handle} can be Channel or a Job that has a Channel. |
|
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bff95e0d8885
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|
2972 |
|
7957
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|
2973 {only available when compiled with the |+channel| feature} |
|
b74549818500
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2974 |
|
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|
2975 ch_sendraw({handle}, {string} [, {options}]) *ch_sendraw()* |
|
4c6ad81d41fe
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|
2976 Send {string} over {handle}. |
|
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|
2977 Works like |ch_sendexpr()|, but does not encode the request or |
|
78106b0f2c56
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|
2978 decode the response. The caller is responsible for the |
|
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|
2979 correct contents. Also does not add a newline for a channel |
|
18a3f0f05244
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|
2980 in NL mode, the caller must do that. The NL in the response |
|
18a3f0f05244
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|
2981 is removed. |
|
18a3f0f05244
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changeset
|
2982 See |channel-use|. |
|
7895
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commit https://github.com/vim/vim/commit/f57969a20a4398f56e3028a6cc1102f9f9286ccf
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|
2983 |
|
7957
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|
2984 {only available when compiled with the |+channel| feature} |
|
b74549818500
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|
2985 |
|
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diff
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|
2986 ch_setoptions({handle}, {options}) *ch_setoptions()* |
|
4c6ad81d41fe
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|
2987 Set options on {handle}: |
|
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changeset
|
2988 "callback" the channel callback |
|
f5da459c5698
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changeset
|
2989 "timeout" default read timeout in msec |
|
8178
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commit https://github.com/vim/vim/commit/02e83b438ea7071fdb176dabbaefea319ab2d686
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|
2990 "mode" mode for the whole channel |
|
8148
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changeset
|
2991 See |ch_open()| for more explanation. |
|
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changeset
|
2992 {handle} can be Channel or a Job that has a Channel. |
|
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|
2993 |
|
8178
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changeset
|
2994 Note that changing the mode may cause queued messages to be |
|
e77efd7a7dad
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changeset
|
2995 lost. |
|
e77efd7a7dad
commit https://github.com/vim/vim/commit/02e83b438ea7071fdb176dabbaefea319ab2d686
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|
2996 |
|
8148
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changeset
|
2997 These options cannot be changed: |
|
f5da459c5698
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changeset
|
2998 "waittime" only applies to "ch_open()| |
|
f5da459c5698
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|
2999 |
|
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diff
changeset
|
3000 ch_status({handle}) *ch_status()* |
|
4c6ad81d41fe
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changeset
|
3001 Return the status of {handle}: |
|
8061
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commit https://github.com/vim/vim/commit/38a55639d603823efcf2d2fdf542dbffdeb60b75
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diff
changeset
|
3002 "fail" failed to open the channel |
|
abd64cf67bcf
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diff
changeset
|
3003 "open" channel can be used |
|
9041
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|
3004 "buffered" channel can be read, not written to |
|
8061
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commit https://github.com/vim/vim/commit/38a55639d603823efcf2d2fdf542dbffdeb60b75
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diff
changeset
|
3005 "closed" channel can not be used |
|
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commit https://github.com/vim/vim/commit/5f148ec0b5a6cedd9129b3abac351034b83cc4f7
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diff
changeset
|
3006 {handle} can be Channel or a Job that has a Channel. |
|
9041
34c45ee4210d
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diff
changeset
|
3007 "buffered" is used when the channel was closed but there is |
|
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changeset
|
3008 still data that can be obtained with |ch_read()|. |
|
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|
3009 |
| 55 | 3010 *copy()* |
| 1621 | 3011 copy({expr}) Make a copy of {expr}. For Numbers and Strings this isn't |
| 55 | 3012 different from using {expr} directly. |
| 685 | 3013 When {expr} is a |List| a shallow copy is created. This means |
| 3014 that the original |List| can be changed without changing the | |
| 1621 | 3015 copy, and vice versa. But the items are identical, thus |
|
8019
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commit https://github.com/vim/vim/commit/7823a3bd2eed6ff9e544d201de96710bd5344aaf
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diff
changeset
|
3016 changing an item changes the contents of both |Lists|. |
|
d685893d852e
commit https://github.com/vim/vim/commit/7823a3bd2eed6ff9e544d201de96710bd5344aaf
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diff
changeset
|
3017 A |Dictionary| is copied in a similar way as a |List|. |
|
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diff
changeset
|
3018 Also see |deepcopy()|. |
| 55 | 3019 |
| 1621 | 3020 cos({expr}) *cos()* |
| 3021 Return the cosine of {expr}, measured in radians, as a |Float|. | |
| 3022 {expr} must evaluate to a |Float| or a |Number|. | |
| 3023 Examples: > | |
| 3024 :echo cos(100) | |
| 3025 < 0.862319 > | |
| 3026 :echo cos(-4.01) | |
| 3027 < -0.646043 | |
| 3028 {only available when compiled with the |+float| feature} | |
| 3029 | |
|
2206
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|
3030 |
|
a8afba7027ae
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diff
changeset
|
3031 cosh({expr}) *cosh()* |
|
2337
a0f87fc19d1d
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diff
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|
3032 Return the hyperbolic cosine of {expr} as a |Float| in the range |
|
2206
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|
3033 [1, inf]. |
|
2337
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Better conceal in help. (partly by Dominique Pelle)
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2320
diff
changeset
|
3034 {expr} must evaluate to a |Float| or a |Number|. |
|
2206
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|
3035 Examples: > |
|
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|
3036 :echo cosh(0.5) |
|
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|
3037 < 1.127626 > |
|
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|
3038 :echo cosh(-0.5) |
|
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|
3039 < -1.127626 |
|
2570
71b56b4e7785
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|
3040 {only available when compiled with the |+float| feature} |
|
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changeset
|
3041 |
| 1621 | 3042 |
| 102 | 3043 count({comp}, {expr} [, {ic} [, {start}]]) *count()* |
| 79 | 3044 Return the number of times an item with value {expr} appears |
| 685 | 3045 in |List| or |Dictionary| {comp}. |
| 102 | 3046 If {start} is given then start with the item with this index. |
| 685 | 3047 {start} can only be used with a |List|. |
| 79 | 3048 When {ic} is given and it's non-zero then case is ignored. |
| 3049 | |
| 3050 | |
| 7 | 3051 *cscope_connection()* |
| 3052 cscope_connection([{num} , {dbpath} [, {prepend}]]) | |
| 3053 Checks for the existence of a |cscope| connection. If no | |
| 3054 parameters are specified, then the function returns: | |
| 3055 0, if cscope was not available (not compiled in), or | |
| 3056 if there are no cscope connections; | |
| 3057 1, if there is at least one cscope connection. | |
| 3058 | |
| 3059 If parameters are specified, then the value of {num} | |
| 3060 determines how existence of a cscope connection is checked: | |
| 3061 | |
| 3062 {num} Description of existence check | |
| 3063 ----- ------------------------------ | |
| 3064 0 Same as no parameters (e.g., "cscope_connection()"). | |
| 3065 1 Ignore {prepend}, and use partial string matches for | |
| 3066 {dbpath}. | |
| 3067 2 Ignore {prepend}, and use exact string matches for | |
| 3068 {dbpath}. | |
| 3069 3 Use {prepend}, use partial string matches for both | |
| 3070 {dbpath} and {prepend}. | |
| 3071 4 Use {prepend}, use exact string matches for both | |
| 3072 {dbpath} and {prepend}. | |
| 3073 | |
| 3074 Note: All string comparisons are case sensitive! | |
| 3075 | |
| 3076 Examples. Suppose we had the following (from ":cs show"): > | |
| 3077 | |
| 3078 # pid database name prepend path | |
| 3079 0 27664 cscope.out /usr/local | |
| 3080 < | |
| 3081 Invocation Return Val ~ | |
| 3082 ---------- ---------- > | |
| 3083 cscope_connection() 1 | |
| 3084 cscope_connection(1, "out") 1 | |
| 3085 cscope_connection(2, "out") 0 | |
| 3086 cscope_connection(3, "out") 0 | |
| 3087 cscope_connection(3, "out", "local") 1 | |
| 3088 cscope_connection(4, "out") 0 | |
| 3089 cscope_connection(4, "out", "local") 0 | |
| 3090 cscope_connection(4, "cscope.out", "/usr/local") 1 | |
| 3091 < | |
| 703 | 3092 cursor({lnum}, {col} [, {off}]) *cursor()* |
| 3093 cursor({list}) | |
| 1156 | 3094 Positions the cursor at the column (byte count) {col} in the |
| 3095 line {lnum}. The first column is one. | |
| 5938 | 3096 |
| 703 | 3097 When there is one argument {list} this is used as a |List| |
| 5938 | 3098 with two, three or four item: |
|
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diff
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|
3099 [{lnum}, {col}] |
| 5938 | 3100 [{lnum}, {col}, {off}] |
| 3101 [{lnum}, {col}, {off}, {curswant}] | |
| 6009 | 3102 This is like the return value of |getpos()| or |getcurpos()|, |
| 5944 | 3103 but without the first item. |
| 5938 | 3104 |
| 7 | 3105 Does not change the jumplist. |
| 3106 If {lnum} is greater than the number of lines in the buffer, | |
| 3107 the cursor will be positioned at the last line in the buffer. | |
| 3108 If {lnum} is zero, the cursor will stay in the current line. | |
| 493 | 3109 If {col} is greater than the number of bytes in the line, |
| 7 | 3110 the cursor will be positioned at the last character in the |
| 3111 line. | |
| 3112 If {col} is zero, the cursor will stay in the current column. | |
| 5944 | 3113 If {curswant} is given it is used to set the preferred column |
| 6180 | 3114 for vertical movement. Otherwise {col} is used. |
| 6385 | 3115 |
| 703 | 3116 When 'virtualedit' is used {off} specifies the offset in |
| 3117 screen columns from the start of the character. E.g., a | |
| 1266 | 3118 position within a <Tab> or after the last character. |
| 1851 | 3119 Returns 0 when the position could be set, -1 otherwise. |
| 7 | 3120 |
| 55 | 3121 |
| 164 | 3122 deepcopy({expr}[, {noref}]) *deepcopy()* *E698* |
| 1621 | 3123 Make a copy of {expr}. For Numbers and Strings this isn't |
| 55 | 3124 different from using {expr} directly. |
| 685 | 3125 When {expr} is a |List| a full copy is created. This means |
| 3126 that the original |List| can be changed without changing the | |
|
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changeset
|
3127 copy, and vice versa. When an item is a |List| or |
|
ece323e2b57f
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changeset
|
3128 |Dictionary|, a copy for it is made, recursively. Thus |
|
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commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
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parents:
8019
diff
changeset
|
3129 changing an item in the copy does not change the contents of |
|
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
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parents:
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diff
changeset
|
3130 the original |List|. |
|
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
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parents:
8019
diff
changeset
|
3131 A |Dictionary| is copied in a similar way as a |List|. |
| 685 | 3132 When {noref} is omitted or zero a contained |List| or |
| 3133 |Dictionary| is only copied once. All references point to | |
| 3134 this single copy. With {noref} set to 1 every occurrence of a | |
| 3135 |List| or |Dictionary| results in a new copy. This also means | |
| 3136 that a cyclic reference causes deepcopy() to fail. | |
| 114 | 3137 *E724* |
| 3138 Nesting is possible up to 100 levels. When there is an item | |
| 164 | 3139 that refers back to a higher level making a deep copy with |
| 3140 {noref} set to 1 will fail. | |
| 55 | 3141 Also see |copy()|. |
| 3142 | |
|
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diff
changeset
|
3143 delete({fname} [, {flags}]) *delete()* |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
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parents:
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diff
changeset
|
3144 Without {flags} or with {flags} empty: Deletes the file by the |
|
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parents:
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diff
changeset
|
3145 name {fname}. This also works when {fname} is a symbolic link. |
|
7615
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commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
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parents:
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diff
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|
3146 |
|
228ff048db20
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parents:
7597
diff
changeset
|
3147 When {flags} is "d": Deletes the directory by the name |
|
7629
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diff
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|
3148 {fname}. This fails when directory {fname} is not empty. |
|
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parents:
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diff
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|
3149 |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
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parents:
7597
diff
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|
3150 When {flags} is "rf": Deletes the directory by the name |
|
7629
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parents:
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diff
changeset
|
3151 {fname} and everything in it, recursively. BE CAREFUL! |
|
befbed72da87
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Christian Brabandt <cb@256bit.org>
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|
3152 A symbolic link itself is deleted, not what it points to. |
|
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parents:
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changeset
|
3153 |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
3154 The result is a Number, which is 0 if the delete operation was |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
3155 successful and -1 when the deletion failed or partly failed. |
|
228ff048db20
commit https://github.com/vim/vim/commit/da440d21a6b94d7f525fa7be9b1417c78dd9aa4c
Christian Brabandt <cb@256bit.org>
parents:
7597
diff
changeset
|
3156 |
| 685 | 3157 Use |remove()| to delete an item from a |List|. |
| 4229 | 3158 To delete a line from the buffer use |:delete|. Use |:exe| |
| 3159 when the line number is in a variable. | |
| 7 | 3160 |
| 3161 *did_filetype()* | |
| 3162 did_filetype() Returns non-zero when autocommands are being executed and the | |
| 3163 FileType event has been triggered at least once. Can be used | |
| 3164 to avoid triggering the FileType event again in the scripts | |
| 3165 that detect the file type. |FileType| | |
| 3166 When editing another file, the counter is reset, thus this | |
| 3167 really checks if the FileType event has been triggered for the | |
| 3168 current buffer. This allows an autocommand that starts | |
| 3169 editing another buffer to set 'filetype' and load a syntax | |
| 3170 file. | |
| 3171 | |
| 32 | 3172 diff_filler({lnum}) *diff_filler()* |
| 3173 Returns the number of filler lines above line {lnum}. | |
| 3174 These are the lines that were inserted at this point in | |
| 3175 another diff'ed window. These filler lines are shown in the | |
| 3176 display but don't exist in the buffer. | |
| 3177 {lnum} is used like with |getline()|. Thus "." is the current | |
| 3178 line, "'m" mark m, etc. | |
| 3179 Returns 0 if the current window is not in diff mode. | |
| 3180 | |
| 3181 diff_hlID({lnum}, {col}) *diff_hlID()* | |
| 3182 Returns the highlight ID for diff mode at line {lnum} column | |
| 3183 {col} (byte index). When the current line does not have a | |
| 3184 diff change zero is returned. | |
| 3185 {lnum} is used like with |getline()|. Thus "." is the current | |
| 3186 line, "'m" mark m, etc. | |
| 3187 {col} is 1 for the leftmost column, {lnum} is 1 for the first | |
| 3188 line. | |
| 3189 The highlight ID can be used with |synIDattr()| to obtain | |
| 3190 syntax information about the highlighting. | |
| 3191 | |
| 85 | 3192 empty({expr}) *empty()* |
| 3193 Return the Number 1 if {expr} is empty, zero otherwise. | |
|
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parents:
7935
diff
changeset
|
3194 - A |List| or |Dictionary| is empty when it does not have any |
|
b74549818500
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diff
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|
3195 items. |
|
b74549818500
commit https://github.com/vim/vim/commit/835dc636a5350f610b62f110227d2363b5b2880a
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parents:
7935
diff
changeset
|
3196 - A Number and Float is empty when its value is zero. |
|
b74549818500
commit https://github.com/vim/vim/commit/835dc636a5350f610b62f110227d2363b5b2880a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
3197 - |v:false|, |v:none| and |v:null| are empty, |v:true| is not. |
|
b74549818500
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parents:
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diff
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|
3198 - A Job is empty when it failed to start. |
|
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commit https://github.com/vim/vim/commit/38a55639d603823efcf2d2fdf542dbffdeb60b75
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parents:
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|
3199 - A Channel is empty when it is closed. |
|
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3200 |
|
2033
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|
3201 For a long |List| this is much faster than comparing the |
| 685 | 3202 length with zero. |
| 85 | 3203 |
| 7 | 3204 escape({string}, {chars}) *escape()* |
| 3205 Escape the characters in {chars} that occur in {string} with a | |
| 3206 backslash. Example: > | |
| 3207 :echo escape('c:\program files\vim', ' \') | |
| 3208 < results in: > | |
| 3209 c:\\program\ files\\vim | |
| 1621 | 3210 < Also see |shellescape()|. |
| 3211 | |
| 3212 *eval()* | |
| 95 | 3213 eval({string}) Evaluate {string} and return the result. Especially useful to |
| 3214 turn the result of |string()| back into the original value. | |
| 1621 | 3215 This works for Numbers, Floats, Strings and composites of |
| 3216 them. Also works for |Funcref|s that refer to existing | |
| 3217 functions. | |
| 95 | 3218 |
| 7 | 3219 eventhandler() *eventhandler()* |
| 3220 Returns 1 when inside an event handler. That is that Vim got | |
| 3221 interrupted while waiting for the user to type a character, | |
| 3222 e.g., when dropping a file on Vim. This means interactive | |
| 3223 commands cannot be used. Otherwise zero is returned. | |
| 3224 | |
| 3225 executable({expr}) *executable()* | |
| 3226 This function checks if an executable with the name {expr} | |
| 3227 exists. {expr} must be the name of the program without any | |
| 10 | 3228 arguments. |
| 3229 executable() uses the value of $PATH and/or the normal | |
| 3230 searchpath for programs. *PATHEXT* | |
| 3231 On MS-DOS and MS-Windows the ".exe", ".bat", etc. can | |
| 3232 optionally be included. Then the extensions in $PATHEXT are | |
| 1621 | 3233 tried. Thus if "foo.exe" does not exist, "foo.exe.bat" can be |
| 3234 found. If $PATHEXT is not set then ".exe;.com;.bat;.cmd" is | |
| 10 | 3235 used. A dot by itself can be used in $PATHEXT to try using |
| 1621 | 3236 the name without an extension. When 'shell' looks like a |
| 10 | 3237 Unix shell, then the name is also tried without adding an |
| 3238 extension. | |
| 3239 On MS-DOS and MS-Windows it only checks if the file exists and | |
| 3240 is not a directory, not if it's really executable. | |
| 819 | 3241 On MS-Windows an executable in the same directory as Vim is |
| 3242 always found. Since this directory is added to $PATH it | |
| 3243 should also work to execute it |win32-PATH|. | |
| 7 | 3244 The result is a Number: |
| 3245 1 exists | |
| 3246 0 does not exist | |
| 3247 -1 not implemented on this system | |
| 3248 | |
| 5782 | 3249 exepath({expr}) *exepath()* |
| 3250 If {expr} is an executable and is either an absolute path, a | |
| 3251 relative path or found in $PATH, return the full path. | |
| 3252 Note that the current directory is used when {expr} starts | |
| 3253 with "./", which may be a problem for Vim: > | |
| 3254 echo exepath(v:progpath) | |
| 5814 | 3255 < If {expr} cannot be found in $PATH or is not executable then |
| 5782 | 3256 an empty string is returned. |
| 3257 | |
| 7 | 3258 *exists()* |
| 3259 exists({expr}) The result is a Number, which is non-zero if {expr} is | |
| 3260 defined, zero otherwise. The {expr} argument is a string, | |
| 3261 which contains one of these: | |
| 3262 &option-name Vim option (only checks if it exists, | |
| 3263 not if it really works) | |
| 3264 +option-name Vim option that works. | |
| 3265 $ENVNAME environment variable (could also be | |
| 3266 done by comparing with an empty | |
| 3267 string) | |
| 3268 *funcname built-in function (see |functions|) | |
| 3269 or user defined function (see | |
| 5862 | 3270 |user-functions|). Also works for a |
| 3271 variable that is a Funcref. | |
| 7 | 3272 varname internal variable (see |
| 1621 | 3273 |internal-variables|). Also works |
| 685 | 3274 for |curly-braces-names|, |Dictionary| |
| 3275 entries, |List| items, etc. Beware | |
| 1668 | 3276 that evaluating an index may cause an |
| 3277 error message for an invalid | |
| 3278 expression. E.g.: > | |
| 3279 :let l = [1, 2, 3] | |
| 3280 :echo exists("l[5]") | |
| 3281 < 0 > | |
| 3282 :echo exists("l[xx]") | |
| 3283 < E121: Undefined variable: xx | |
| 3284 0 | |
| 7 | 3285 :cmdname Ex command: built-in command, user |
| 3286 command or command modifier |:command|. | |
| 3287 Returns: | |
| 3288 1 for match with start of a command | |
| 3289 2 full match with a command | |
| 3290 3 matches several user commands | |
| 3291 To check for a supported command | |
| 3292 always check the return value to be 2. | |
| 864 | 3293 :2match The |:2match| command. |
| 3294 :3match The |:3match| command. | |
| 7 | 3295 #event autocommand defined for this event |
| 3296 #event#pattern autocommand defined for this event and | |
| 3297 pattern (the pattern is taken | |
| 3298 literally and compared to the | |
| 3299 autocommand patterns character by | |
| 3300 character) | |
| 613 | 3301 #group autocommand group exists |
| 3302 #group#event autocommand defined for this group and | |
| 3303 event. | |
| 3304 #group#event#pattern | |
| 856 | 3305 autocommand defined for this group, |
| 613 | 3306 event and pattern. |
| 615 | 3307 ##event autocommand for this event is |
| 3308 supported. | |
| 7 | 3309 For checking for a supported feature use |has()|. |
| 3310 | |
| 3311 Examples: > | |
| 3312 exists("&shortname") | |
| 3313 exists("$HOSTNAME") | |
| 3314 exists("*strftime") | |
| 3315 exists("*s:MyFunc") | |
| 3316 exists("bufcount") | |
| 3317 exists(":Make") | |
| 613 | 3318 exists("#CursorHold") |
| 7 | 3319 exists("#BufReadPre#*.gz") |
| 613 | 3320 exists("#filetypeindent") |
| 3321 exists("#filetypeindent#FileType") | |
| 3322 exists("#filetypeindent#FileType#*") | |
| 615 | 3323 exists("##ColorScheme") |
| 7 | 3324 < There must be no space between the symbol (&/$/*/#) and the |
| 3325 name. | |
| 867 | 3326 There must be no extra characters after the name, although in |
| 3327 a few cases this is ignored. That may become more strict in | |
| 3328 the future, thus don't count on it! | |
| 3329 Working example: > | |
| 3330 exists(":make") | |
| 3331 < NOT working example: > | |
| 3332 exists(":make install") | |
| 859 | 3333 |
| 3334 < Note that the argument must be a string, not the name of the | |
| 3335 variable itself. For example: > | |
| 7 | 3336 exists(bufcount) |
| 3337 < This doesn't check for existence of the "bufcount" variable, | |
| 853 | 3338 but gets the value of "bufcount", and checks if that exists. |
| 7 | 3339 |
|
2206
a8afba7027ae
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|
3340 exp({expr}) *exp()* |
|
2337
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|
3341 Return the exponential of {expr} as a |Float| in the range |
|
2206
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|
3342 [0, inf]. |
|
2337
a0f87fc19d1d
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diff
changeset
|
3343 {expr} must evaluate to a |Float| or a |Number|. |
|
2206
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|
3344 Examples: > |
|
a8afba7027ae
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|
3345 :echo exp(2) |
|
a8afba7027ae
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|
3346 < 7.389056 > |
|
a8afba7027ae
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|
3347 :echo exp(-1) |
|
a8afba7027ae
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|
3348 < 0.367879 |
|
2570
71b56b4e7785
Make the references to features in the help more consistent. (Sylvain Hitier)
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2569
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|
3349 {only available when compiled with the |+float| feature} |
|
2206
a8afba7027ae
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parents:
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diff
changeset
|
3350 |
|
a8afba7027ae
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|
3351 |
|
3410
94601b379f38
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Bram Moolenaar <bram@vim.org>
parents:
3398
diff
changeset
|
3352 expand({expr} [, {nosuf} [, {list}]]) *expand()* |
| 7 | 3353 Expand wildcards and the following special keywords in {expr}. |
|
3410
94601b379f38
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diff
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|
3354 'wildignorecase' applies. |
|
94601b379f38
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|
3355 |
|
94601b379f38
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diff
changeset
|
3356 If {list} is given and it is non-zero, a List will be returned. |
|
94601b379f38
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diff
changeset
|
3357 Otherwise the result is a String and when there are several |
|
94601b379f38
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diff
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|
3358 matches, they are separated by <NL> characters. [Note: in |
|
94601b379f38
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parents:
3398
diff
changeset
|
3359 version 5.0 a space was used, which caused problems when a |
|
94601b379f38
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changeset
|
3360 file name contains a space] |
| 7 | 3361 |
| 1621 | 3362 If the expansion fails, the result is an empty string. A name |
| 4869 | 3363 for a non-existing file is not included, unless {expr} does |
| 3364 not start with '%', '#' or '<', see below. | |
| 7 | 3365 |
| 3366 When {expr} starts with '%', '#' or '<', the expansion is done | |
| 3367 like for the |cmdline-special| variables with their associated | |
| 3368 modifiers. Here is a short overview: | |
| 3369 | |
| 3370 % current file name | |
| 3371 # alternate file name | |
| 3372 #n alternate file name n | |
| 3373 <cfile> file name under the cursor | |
| 3374 <afile> autocmd file name | |
| 3375 <abuf> autocmd buffer number (as a String!) | |
| 3376 <amatch> autocmd matched name | |
| 5734 | 3377 <sfile> sourced script file or function name |
| 2662 | 3378 <slnum> sourced script file line number |
| 7 | 3379 <cword> word under the cursor |
| 3380 <cWORD> WORD under the cursor | |
| 3381 <client> the {clientid} of the last received | |
| 3382 message |server2client()| | |
| 3383 Modifiers: | |
| 3384 :p expand to full path | |
| 3385 :h head (last path component removed) | |
| 3386 :t tail (last path component only) | |
| 3387 :r root (one extension removed) | |
| 3388 :e extension only | |
| 3389 | |
| 3390 Example: > | |
| 3391 :let &tags = expand("%:p:h") . "/tags" | |
| 3392 < Note that when expanding a string that starts with '%', '#' or | |
| 3393 '<', any following text is ignored. This does NOT work: > | |
| 3394 :let doesntwork = expand("%:h.bak") | |
| 3395 < Use this: > | |
| 3396 :let doeswork = expand("%:h") . ".bak" | |
| 3397 < Also note that expanding "<cfile>" and others only returns the | |
| 3398 referenced file name without further expansion. If "<cfile>" | |
| 3399 is "~/.cshrc", you need to do another expand() to have the | |
| 3400 "~/" expanded into the path of the home directory: > | |
| 3401 :echo expand(expand("<cfile>")) | |
| 3402 < | |
| 3403 There cannot be white space between the variables and the | |
| 3404 following modifier. The |fnamemodify()| function can be used | |
| 3405 to modify normal file names. | |
| 3406 | |
| 3407 When using '%' or '#', and the current or alternate file name | |
| 3408 is not defined, an empty string is used. Using "%:p" in a | |
| 3409 buffer with no name, results in the current directory, with a | |
| 3410 '/' added. | |
| 3411 | |
| 3412 When {expr} does not start with '%', '#' or '<', it is | |
| 3413 expanded like a file name is expanded on the command line. | |
| 3414 'suffixes' and 'wildignore' are used, unless the optional | |
| 3398 | 3415 {nosuf} argument is given and it is non-zero. |
| 3416 Names for non-existing files are included. The "**" item can | |
| 3417 be used to search in a directory tree. For example, to find | |
| 3418 all "README" files in the current directory and below: > | |
| 444 | 3419 :echo expand("**/README") |
| 3420 < | |
| 7 | 3421 Expand() can also be used to expand variables and environment |
| 3422 variables that are only known in a shell. But this can be | |
| 6180 | 3423 slow, because a shell may be used to do the expansion. See |
| 3424 |expr-env-expand|. | |
| 7 | 3425 The expanded variable is still handled like a list of file |
| 1621 | 3426 names. When an environment variable cannot be expanded, it is |
| 7 | 3427 left unchanged. Thus ":echo expand('$FOOBAR')" results in |
| 3428 "$FOOBAR". | |
| 3429 | |
| 3430 See |glob()| for finding existing files. See |system()| for | |
| 3431 getting the raw output of an external command. | |
| 3432 | |
| 102 | 3433 extend({expr1}, {expr2} [, {expr3}]) *extend()* |
| 692 | 3434 {expr1} and {expr2} must be both |Lists| or both |
| 3435 |Dictionaries|. | |
| 3436 | |
| 3437 If they are |Lists|: Append {expr2} to {expr1}. | |
| 102 | 3438 If {expr3} is given insert the items of {expr2} before item |
| 3439 {expr3} in {expr1}. When {expr3} is zero insert before the | |
| 3440 first item. When {expr3} is equal to len({expr1}) then | |
| 3441 {expr2} is appended. | |
| 79 | 3442 Examples: > |
| 3443 :echo sort(extend(mylist, [7, 5])) | |
| 3444 :call extend(mylist, [2, 3], 1) | |
| 1699 | 3445 < When {expr1} is the same List as {expr2} then the number of |
| 3446 items copied is equal to the original length of the List. | |
| 3447 E.g., when {expr3} is 1 you get N new copies of the first item | |
| 3448 (where N is the original length of the List). | |
| 3449 Use |add()| to concatenate one item to a list. To concatenate | |
| 82 | 3450 two lists into a new list use the + operator: > |
| 79 | 3451 :let newlist = [1, 2, 3] + [4, 5] |
| 102 | 3452 < |
| 692 | 3453 If they are |Dictionaries|: |
| 102 | 3454 Add all entries from {expr2} to {expr1}. |
| 3455 If a key exists in both {expr1} and {expr2} then {expr3} is | |
| 3456 used to decide what to do: | |
| 3457 {expr3} = "keep": keep the value of {expr1} | |
| 3458 {expr3} = "force": use the value of {expr2} | |
| 856 | 3459 {expr3} = "error": give an error message *E737* |
| 102 | 3460 When {expr3} is omitted then "force" is assumed. |
| 3461 | |
| 3462 {expr1} is changed when {expr2} is not empty. If necessary | |
| 3463 make a copy of {expr1} first. | |
| 3464 {expr2} remains unchanged. | |
| 6823 | 3465 When {expr1} is locked and {expr2} is not empty the operation |
| 3466 fails. | |
| 102 | 3467 Returns {expr1}. |
| 3468 | |
| 79 | 3469 |
| 842 | 3470 feedkeys({string} [, {mode}]) *feedkeys()* |
| 3471 Characters in {string} are queued for processing as if they | |
| 6549 | 3472 come from a mapping or were typed by the user. |
| 3473 By default the string is added to the end of the typeahead | |
| 3474 buffer, thus if a mapping is still being executed the | |
| 3475 characters come after them. Use the 'i' flag to insert before | |
| 3476 other characters, they will be executed next, before any | |
| 3477 characters from a mapping. | |
| 842 | 3478 The function does not wait for processing of keys contained in |
| 3479 {string}. | |
| 3480 To include special keys into {string}, use double-quotes | |
| 3481 and "\..." notation |expr-quote|. For example, | |
| 1215 | 3482 feedkeys("\<CR>") simulates pressing of the <Enter> key. But |
| 842 | 3483 feedkeys('\<CR>') pushes 5 characters. |
| 3484 If {mode} is absent, keys are remapped. | |
| 3485 {mode} is a String, which can contain these character flags: | |
| 843 | 3486 'm' Remap keys. This is default. |
| 3487 'n' Do not remap keys. | |
| 3488 't' Handle keys as if typed; otherwise they are handled as | |
| 3489 if coming from a mapping. This matters for undo, | |
| 3490 opening folds, etc. | |
| 6549 | 3491 'i' Insert the string instead of appending (see above). |
|
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|
3492 'x' Execute commands until typeahead is empty. This is |
|
39251e981d1f
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diff
changeset
|
3493 similar to using ":normal!". You can call feedkeys() |
|
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diff
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|
3494 several times without 'x' and then one time with 'x' |
|
39251e981d1f
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diff
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|
3495 (possibly with an empty {string}) to execute all the |
|
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diff
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|
3496 typeahead. Note that when Vim ends in Insert mode it |
|
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diff
changeset
|
3497 will behave as if <Esc> is typed, to avoid getting |
|
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|
3498 stuck, waiting for a character to be typed before the |
|
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|
3499 script continues. |
|
8951
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diff
changeset
|
3500 '!' When used with 'x' will not end Insert mode. Can be |
|
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parents:
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changeset
|
3501 used in a test when a timer is set to exit Insert mode |
|
0bdeaf7092bc
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parents:
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diff
changeset
|
3502 a little later. Useful for testing CursorHoldI. |
|
0bdeaf7092bc
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parents:
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changeset
|
3503 |
| 842 | 3504 Return value is always 0. |
| 3505 | |
| 7 | 3506 filereadable({file}) *filereadable()* |
| 3507 The result is a Number, which is TRUE when a file with the | |
| 3508 name {file} exists, and can be read. If {file} doesn't exist, | |
| 3509 or is a directory, the result is FALSE. {file} is any | |
| 3510 expression, which is used as a String. | |
| 1156 | 3511 If you don't care about the file being readable you can use |
| 3512 |glob()|. | |
| 7 | 3513 *file_readable()* |
| 3514 Obsolete name: file_readable(). | |
| 3515 | |
| 95 | 3516 |
| 1156 | 3517 filewritable({file}) *filewritable()* |
| 3518 The result is a Number, which is 1 when a file with the | |
| 3519 name {file} exists, and can be written. If {file} doesn't | |
| 1621 | 3520 exist, or is not writable, the result is 0. If {file} is a |
| 1156 | 3521 directory, and we can write to it, the result is 2. |
| 3522 | |
| 3523 | |
| 102 | 3524 filter({expr}, {string}) *filter()* |
| 685 | 3525 {expr} must be a |List| or a |Dictionary|. |
| 102 | 3526 For each item in {expr} evaluate {string} and when the result |
| 685 | 3527 is zero remove the item from the |List| or |Dictionary|. |
| 102 | 3528 Inside {string} |v:val| has the value of the current item. |
| 685 | 3529 For a |Dictionary| |v:key| has the key of the current item. |
| 102 | 3530 Examples: > |
| 3531 :call filter(mylist, 'v:val !~ "OLD"') | |
| 3532 < Removes the items where "OLD" appears. > | |
| 3533 :call filter(mydict, 'v:key >= 8') | |
| 3534 < Removes the items with a key below 8. > | |
| 3535 :call filter(var, 0) | |
| 685 | 3536 < Removes all the items, thus clears the |List| or |Dictionary|. |
| 99 | 3537 |
| 102 | 3538 Note that {string} is the result of expression and is then |
| 3539 used as an expression again. Often it is good to use a | |
| 3540 |literal-string| to avoid having to double backslashes. | |
| 3541 | |
| 685 | 3542 The operation is done in-place. If you want a |List| or |
| 3543 |Dictionary| to remain unmodified make a copy first: > | |
| 650 | 3544 :let l = filter(copy(mylist), 'v:val =~ "KEEP"') |
| 102 | 3545 |
| 685 | 3546 < Returns {expr}, the |List| or |Dictionary| that was filtered. |
| 648 | 3547 When an error is encountered while evaluating {string} no |
| 3548 further items in {expr} are processed. | |
| 95 | 3549 |
| 3550 | |
| 19 | 3551 finddir({name}[, {path}[, {count}]]) *finddir()* |
| 1095 | 3552 Find directory {name} in {path}. Supports both downwards and |
| 3553 upwards recursive directory searches. See |file-searching| | |
| 3554 for the syntax of {path}. | |
| 3555 Returns the path of the first found match. When the found | |
| 3556 directory is below the current directory a relative path is | |
| 3557 returned. Otherwise a full path is returned. | |
| 19 | 3558 If {path} is omitted or empty then 'path' is used. |
| 3559 If the optional {count} is given, find {count}'s occurrence of | |
| 794 | 3560 {name} in {path} instead of the first one. |
| 809 | 3561 When {count} is negative return all the matches in a |List|. |
| 19 | 3562 This is quite similar to the ex-command |:find|. |
|
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3563 {only available when compiled with the |+file_in_path| |
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|
3564 feature} |
| 794 | 3565 |
| 3566 findfile({name}[, {path}[, {count}]]) *findfile()* | |
| 3567 Just like |finddir()|, but find a file instead of a directory. | |
| 3568 Uses 'suffixesadd'. | |
| 19 | 3569 Example: > |
| 3570 :echo findfile("tags.vim", ".;") | |
| 1156 | 3571 < Searches from the directory of the current file upwards until |
| 3572 it finds the file "tags.vim". | |
| 7 | 3573 |
| 1621 | 3574 float2nr({expr}) *float2nr()* |
| 3575 Convert {expr} to a Number by omitting the part after the | |
| 3576 decimal point. | |
| 3577 {expr} must evaluate to a |Float| or a Number. | |
| 3578 When the value of {expr} is out of range for a |Number| the | |
|
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|
3579 result is truncated to 0x7fffffff or -0x7fffffff (or when |
|
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3580 64-bit Number support is enabled, 0x7fffffffffffffff or |
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3581 -0x7fffffffffffffff. NaN results in -0x80000000 (or when |
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3582 64-bit Number support is enabled, -0x8000000000000000). |
| 1621 | 3583 Examples: > |
| 3584 echo float2nr(3.95) | |
| 3585 < 3 > | |
| 3586 echo float2nr(-23.45) | |
| 3587 < -23 > | |
| 3588 echo float2nr(1.0e100) | |
|
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3589 < 2147483647 (or 9223372036854775807) > |
| 1621 | 3590 echo float2nr(-1.0e150) |
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3591 < -2147483647 (or -9223372036854775807) > |
| 1621 | 3592 echo float2nr(1.0e-100) |
| 3593 < 0 | |
| 3594 {only available when compiled with the |+float| feature} | |
| 3595 | |
| 3596 | |
| 3597 floor({expr}) *floor()* | |
| 3598 Return the largest integral value less than or equal to | |
| 3599 {expr} as a |Float| (round down). | |
| 3600 {expr} must evaluate to a |Float| or a |Number|. | |
| 3601 Examples: > | |
| 3602 echo floor(1.856) | |
| 3603 < 1.0 > | |
| 3604 echo floor(-5.456) | |
| 3605 < -6.0 > | |
| 3606 echo floor(4.0) | |
| 3607 < 4.0 | |
| 3608 {only available when compiled with the |+float| feature} | |
| 3609 | |
|
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3610 |
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3611 fmod({expr1}, {expr2}) *fmod()* |
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3612 Return the remainder of {expr1} / {expr2}, even if the |
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3613 division is not representable. Returns {expr1} - i * {expr2} |
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3614 for some integer i such that if {expr2} is non-zero, the |
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3615 result has the same sign as {expr1} and magnitude less than |
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|
3616 the magnitude of {expr2}. If {expr2} is zero, the value |
|
2337
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3617 returned is zero. The value returned is a |Float|. |
|
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3618 {expr1} and {expr2} must evaluate to a |Float| or a |Number|. |
|
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3619 Examples: > |
|
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|
3620 :echo fmod(12.33, 1.22) |
|
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|
3621 < 0.13 > |
|
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|
3622 :echo fmod(-12.33, 1.22) |
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changeset
|
3623 < -0.13 |
|
2570
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parents:
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|
3624 {only available when compiled with |+float| feature} |
|
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|
3625 |
|
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|
3626 |
| 1586 | 3627 fnameescape({string}) *fnameescape()* |
| 1621 | 3628 Escape {string} for use as file name command argument. All |
| 1586 | 3629 characters that have a special meaning, such as '%' and '|' |
| 3630 are escaped with a backslash. | |
| 1621 | 3631 For most systems the characters escaped are |
| 3632 " \t\n*?[{`$\\%#'\"|!<". For systems where a backslash | |
| 3633 appears in a filename, it depends on the value of 'isfname'. | |
| 1700 | 3634 A leading '+' and '>' is also escaped (special after |:edit| |
| 3635 and |:write|). And a "-" by itself (special after |:cd|). | |
| 1586 | 3636 Example: > |
| 1700 | 3637 :let fname = '+some str%nge|name' |
| 1586 | 3638 :exe "edit " . fnameescape(fname) |
| 3639 < results in executing: > | |
| 1700 | 3640 edit \+some\ str\%nge\|name |
| 1586 | 3641 |
| 7 | 3642 fnamemodify({fname}, {mods}) *fnamemodify()* |
| 3643 Modify file name {fname} according to {mods}. {mods} is a | |
| 3644 string of characters like it is used for file names on the | |
| 3645 command line. See |filename-modifiers|. | |
| 3646 Example: > | |
| 3647 :echo fnamemodify("main.c", ":p:h") | |
| 3648 < results in: > | |
| 3649 /home/mool/vim/vim/src | |
| 1621 | 3650 < Note: Environment variables don't work in {fname}, use |
| 7 | 3651 |expand()| first then. |
| 3652 | |
| 3653 foldclosed({lnum}) *foldclosed()* | |
| 3654 The result is a Number. If the line {lnum} is in a closed | |
| 3655 fold, the result is the number of the first line in that fold. | |
| 3656 If the line {lnum} is not in a closed fold, -1 is returned. | |
| 3657 | |
| 3658 foldclosedend({lnum}) *foldclosedend()* | |
| 3659 The result is a Number. If the line {lnum} is in a closed | |
| 3660 fold, the result is the number of the last line in that fold. | |
| 3661 If the line {lnum} is not in a closed fold, -1 is returned. | |
| 3662 | |
| 3663 foldlevel({lnum}) *foldlevel()* | |
| 3664 The result is a Number, which is the foldlevel of line {lnum} | |
| 1621 | 3665 in the current buffer. For nested folds the deepest level is |
| 7 | 3666 returned. If there is no fold at line {lnum}, zero is |
| 3667 returned. It doesn't matter if the folds are open or closed. | |
| 3668 When used while updating folds (from 'foldexpr') -1 is | |
| 3669 returned for lines where folds are still to be updated and the | |
| 3670 foldlevel is unknown. As a special case the level of the | |
| 3671 previous line is usually available. | |
| 3672 | |
| 3673 *foldtext()* | |
| 3674 foldtext() Returns a String, to be displayed for a closed fold. This is | |
| 3675 the default function used for the 'foldtext' option and should | |
| 3676 only be called from evaluating 'foldtext'. It uses the | |
| 3677 |v:foldstart|, |v:foldend| and |v:folddashes| variables. | |
| 3678 The returned string looks like this: > | |
| 3679 +-- 45 lines: abcdef | |
| 1621 | 3680 < The number of dashes depends on the foldlevel. The "45" is |
| 7 | 3681 the number of lines in the fold. "abcdef" is the text in the |
| 3682 first non-blank line of the fold. Leading white space, "//" | |
| 3683 or "/*" and the text from the 'foldmarker' and 'commentstring' | |
| 3684 options is removed. | |
| 3685 {not available when compiled without the |+folding| feature} | |
| 3686 | |
| 29 | 3687 foldtextresult({lnum}) *foldtextresult()* |
| 3688 Returns the text that is displayed for the closed fold at line | |
| 3689 {lnum}. Evaluates 'foldtext' in the appropriate context. | |
| 3690 When there is no closed fold at {lnum} an empty string is | |
| 3691 returned. | |
| 3692 {lnum} is used like with |getline()|. Thus "." is the current | |
| 3693 line, "'m" mark m, etc. | |
| 3694 Useful when exporting folded text, e.g., to HTML. | |
| 3695 {not available when compiled without the |+folding| feature} | |
| 3696 | |
| 7 | 3697 *foreground()* |
| 1621 | 3698 foreground() Move the Vim window to the foreground. Useful when sent from |
| 7 | 3699 a client to a Vim server. |remote_send()| |
| 3700 On Win32 systems this might not work, the OS does not always | |
| 3701 allow a window to bring itself to the foreground. Use | |
| 3702 |remote_foreground()| instead. | |
| 3703 {only in the Win32, Athena, Motif and GTK GUI versions and the | |
| 3704 Win32 console version} | |
| 3705 | |
| 82 | 3706 |
|
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|
3707 *function()* *E700* *E922* *E923* |
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3708 function({name} [, {arglist}] [, {dict}]) |
| 685 | 3709 Return a |Funcref| variable that refers to function {name}. |
|
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|
3710 {name} can be the name of a user defined function or an |
|
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|
3711 internal function. |
|
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|
3712 |
|
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Christian Brabandt <cb@256bit.org>
parents:
8538
diff
changeset
|
3713 {name} can also be a Funcref, also a partial. When it is a |
|
63dc856bd13d
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Christian Brabandt <cb@256bit.org>
parents:
8538
diff
changeset
|
3714 partial the dict stored in it will be used and the {dict} |
|
63dc856bd13d
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parents:
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diff
changeset
|
3715 argument is not allowed. E.g.: > |
|
63dc856bd13d
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Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
3716 let FuncWithArg = function(dict.Func, [arg]) |
|
63dc856bd13d
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Christian Brabandt <cb@256bit.org>
parents:
8538
diff
changeset
|
3717 let Broken = function(dict.Func, [arg], dict) |
|
63dc856bd13d
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
3718 < |
|
8538
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parents:
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diff
changeset
|
3719 When {arglist} or {dict} is present this creates a partial. |
|
9097
071f9da012fb
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parents:
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diff
changeset
|
3720 That means the argument list and/or the dictionary is stored in |
|
8538
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parents:
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diff
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|
3721 the Funcref and will be used when the Funcref is called. |
|
c337c813c64d
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parents:
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diff
changeset
|
3722 |
|
c337c813c64d
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parents:
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diff
changeset
|
3723 The arguments are passed to the function in front of other |
|
c337c813c64d
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
3724 arguments. Example: > |
|
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Christian Brabandt <cb@256bit.org>
parents:
8536
diff
changeset
|
3725 func Callback(arg1, arg2, name) |
|
c337c813c64d
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parents:
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diff
changeset
|
3726 ... |
|
c337c813c64d
commit https://github.com/vim/vim/commit/1735bc988c546cc962c5f94792815b4d7cb79710
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parents:
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diff
changeset
|
3727 let Func = function('Callback', ['one', 'two']) |
|
c337c813c64d
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parents:
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diff
changeset
|
3728 ... |
|
c337c813c64d
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
3729 call Func('name') |
|
c337c813c64d
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parents:
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diff
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|
3730 < Invokes the function as with: > |
|
c337c813c64d
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Christian Brabandt <cb@256bit.org>
parents:
8536
diff
changeset
|
3731 call Callback('one', 'two', 'name') |
|
c337c813c64d
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parents:
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diff
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|
3732 |
|
8669
06848fe9c816
commit https://github.com/vim/vim/commit/03602ec28ed25739e88b2c835adb0662d3720bb2
Christian Brabandt <cb@256bit.org>
parents:
8577
diff
changeset
|
3733 < The function() call can be nested to add more arguments to the |
|
06848fe9c816
commit https://github.com/vim/vim/commit/03602ec28ed25739e88b2c835adb0662d3720bb2
Christian Brabandt <cb@256bit.org>
parents:
8577
diff
changeset
|
3734 Funcref. The extra arguments are appended to the list of |
|
06848fe9c816
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Christian Brabandt <cb@256bit.org>
parents:
8577
diff
changeset
|
3735 arguments. Example: > |
|
06848fe9c816
commit https://github.com/vim/vim/commit/03602ec28ed25739e88b2c835adb0662d3720bb2
Christian Brabandt <cb@256bit.org>
parents:
8577
diff
changeset
|
3736 func Callback(arg1, arg2, name) |
|
06848fe9c816
commit https://github.com/vim/vim/commit/03602ec28ed25739e88b2c835adb0662d3720bb2
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parents:
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diff
changeset
|
3737 ... |
|
06848fe9c816
commit https://github.com/vim/vim/commit/03602ec28ed25739e88b2c835adb0662d3720bb2
Christian Brabandt <cb@256bit.org>
parents:
8577
diff
changeset
|
3738 let Func = function('Callback', ['one']) |
|
06848fe9c816
commit https://github.com/vim/vim/commit/03602ec28ed25739e88b2c835adb0662d3720bb2
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parents:
8577
diff
changeset
|
3739 let Func2 = function(Func, ['two']) |
|
06848fe9c816
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diff
changeset
|
3740 ... |
|
06848fe9c816
commit https://github.com/vim/vim/commit/03602ec28ed25739e88b2c835adb0662d3720bb2
Christian Brabandt <cb@256bit.org>
parents:
8577
diff
changeset
|
3741 call Func2('name') |
|
06848fe9c816
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parents:
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diff
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|
3742 < Invokes the function as with: > |
|
06848fe9c816
commit https://github.com/vim/vim/commit/03602ec28ed25739e88b2c835adb0662d3720bb2
Christian Brabandt <cb@256bit.org>
parents:
8577
diff
changeset
|
3743 call Callback('one', 'two', 'name') |
|
06848fe9c816
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parents:
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diff
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|
3744 |
|
8538
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parents:
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diff
changeset
|
3745 < The Dictionary is only useful when calling a "dict" function. |
|
c337c813c64d
commit https://github.com/vim/vim/commit/1735bc988c546cc962c5f94792815b4d7cb79710
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parents:
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diff
changeset
|
3746 In that case the {dict} is passed in as "self". Example: > |
|
c337c813c64d
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parents:
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diff
changeset
|
3747 function Callback() dict |
|
c337c813c64d
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parents:
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diff
changeset
|
3748 echo "called for " . self.name |
|
c337c813c64d
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parents:
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changeset
|
3749 endfunction |
|
c337c813c64d
commit https://github.com/vim/vim/commit/1735bc988c546cc962c5f94792815b4d7cb79710
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changeset
|
3750 ... |
|
c337c813c64d
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parents:
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diff
changeset
|
3751 let context = {"name": "example"} |
|
c337c813c64d
commit https://github.com/vim/vim/commit/1735bc988c546cc962c5f94792815b4d7cb79710
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parents:
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diff
changeset
|
3752 let Func = function('Callback', context) |
|
c337c813c64d
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parents:
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diff
changeset
|
3753 ... |
|
c337c813c64d
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
3754 call Func() " will echo: called for example |
|
8577
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parents:
8538
diff
changeset
|
3755 < The use of function() is not needed when there are no extra |
|
63dc856bd13d
commit https://github.com/vim/vim/commit/975b5271eed4fa0500c24a8f37be0b1797cb9db7
Christian Brabandt <cb@256bit.org>
parents:
8538
diff
changeset
|
3756 arguments, these two are equivalent: > |
|
63dc856bd13d
commit https://github.com/vim/vim/commit/975b5271eed4fa0500c24a8f37be0b1797cb9db7
Christian Brabandt <cb@256bit.org>
parents:
8538
diff
changeset
|
3757 let Func = function('Callback', context) |
|
63dc856bd13d
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Christian Brabandt <cb@256bit.org>
parents:
8538
diff
changeset
|
3758 let Func = context.Callback |
|
8538
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parents:
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diff
changeset
|
3759 |
|
c337c813c64d
commit https://github.com/vim/vim/commit/1735bc988c546cc962c5f94792815b4d7cb79710
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parents:
8536
diff
changeset
|
3760 < The argument list and the Dictionary can be combined: > |
|
c337c813c64d
commit https://github.com/vim/vim/commit/1735bc988c546cc962c5f94792815b4d7cb79710
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parents:
8536
diff
changeset
|
3761 function Callback(arg1, count) dict |
|
c337c813c64d
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diff
changeset
|
3762 ... |
|
c337c813c64d
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parents:
8536
diff
changeset
|
3763 let context = {"name": "example"} |
|
c337c813c64d
commit https://github.com/vim/vim/commit/1735bc988c546cc962c5f94792815b4d7cb79710
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parents:
8536
diff
changeset
|
3764 let Func = function('Callback', ['one'], context) |
|
c337c813c64d
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diff
changeset
|
3765 ... |
|
c337c813c64d
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parents:
8536
diff
changeset
|
3766 call Func(500) |
|
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diff
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|
3767 < Invokes the function as with: > |
|
c337c813c64d
commit https://github.com/vim/vim/commit/1735bc988c546cc962c5f94792815b4d7cb79710
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parents:
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diff
changeset
|
3768 call context.Callback('one', 500) |
|
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commit https://github.com/vim/vim/commit/1735bc988c546cc962c5f94792815b4d7cb79710
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diff
changeset
|
3769 |
| 82 | 3770 |
| 3224 | 3771 garbagecollect([{atexit}]) *garbagecollect()* |
|
8881
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parents:
8876
diff
changeset
|
3772 Cleanup unused |Lists|, |Dictionaries|, |Channels| and |Jobs| |
|
ed0b39dd7fd6
commit https://github.com/vim/vim/commit/ebf7dfa6f121c82f97d2adca3d45fbaba9ad8f7e
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parents:
8876
diff
changeset
|
3773 that have circular references. |
|
ed0b39dd7fd6
commit https://github.com/vim/vim/commit/ebf7dfa6f121c82f97d2adca3d45fbaba9ad8f7e
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parents:
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changeset
|
3774 |
|
ed0b39dd7fd6
commit https://github.com/vim/vim/commit/ebf7dfa6f121c82f97d2adca3d45fbaba9ad8f7e
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parents:
8876
diff
changeset
|
3775 There is hardly ever a need to invoke this function, as it is |
|
ed0b39dd7fd6
commit https://github.com/vim/vim/commit/ebf7dfa6f121c82f97d2adca3d45fbaba9ad8f7e
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parents:
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diff
changeset
|
3776 automatically done when Vim runs out of memory or is waiting |
|
ed0b39dd7fd6
commit https://github.com/vim/vim/commit/ebf7dfa6f121c82f97d2adca3d45fbaba9ad8f7e
Christian Brabandt <cb@256bit.org>
parents:
8876
diff
changeset
|
3777 for the user to press a key after 'updatetime'. Items without |
|
ed0b39dd7fd6
commit https://github.com/vim/vim/commit/ebf7dfa6f121c82f97d2adca3d45fbaba9ad8f7e
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parents:
8876
diff
changeset
|
3778 circular references are always freed when they become unused. |
| 685 | 3779 This is useful if you have deleted a very big |List| and/or |
| 3780 |Dictionary| with circular references in a script that runs | |
| 3781 for a long time. | |
|
8881
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diff
changeset
|
3782 |
| 3224 | 3783 When the optional {atexit} argument is one, garbage |
| 1405 | 3784 collection will also be done when exiting Vim, if it wasn't |
| 3785 done before. This is useful when checking for memory leaks. | |
| 370 | 3786 |
|
9108
d319453f62b3
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parents:
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diff
changeset
|
3787 The garbage collection is not done immediately but only when |
|
d319453f62b3
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diff
changeset
|
3788 it's safe to perform. This is when waiting for the user to |
|
d319453f62b3
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parents:
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diff
changeset
|
3789 type a character. To force garbage collection immediately use |
|
d319453f62b3
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changeset
|
3790 |test_garbagecollect_now()|. |
|
8881
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changeset
|
3791 |
| 140 | 3792 get({list}, {idx} [, {default}]) *get()* |
| 685 | 3793 Get item {idx} from |List| {list}. When this item is not |
| 82 | 3794 available return {default}. Return zero when {default} is |
| 3795 omitted. | |
| 102 | 3796 get({dict}, {key} [, {default}]) |
| 685 | 3797 Get item with key {key} from |Dictionary| {dict}. When this |
| 102 | 3798 item is not available return {default}. Return zero when |
| 3799 {default} is omitted. | |
|
9117
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changeset
|
3800 get({func}, {what}) |
|
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changeset
|
3801 Get an item with from Funcref {func}. Possible values for |
|
9110
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diff
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|
3802 {what} are: |
|
9117
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|
3803 'name' The function name |
|
9110
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diff
changeset
|
3804 'func' The function |
|
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changeset
|
3805 'dict' The dictionary |
|
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diff
changeset
|
3806 'args' The list with arguments |
| 102 | 3807 |
| 435 | 3808 *getbufline()* |
| 3809 getbufline({expr}, {lnum} [, {end}]) | |
| 685 | 3810 Return a |List| with the lines starting from {lnum} to {end} |
| 3811 (inclusive) in the buffer {expr}. If {end} is omitted, a | |
| 3812 |List| with only the line {lnum} is returned. | |
| 435 | 3813 |
| 3814 For the use of {expr}, see |bufname()| above. | |
| 3815 | |
| 448 | 3816 For {lnum} and {end} "$" can be used for the last line of the |
| 3817 buffer. Otherwise a number must be used. | |
| 435 | 3818 |
| 3819 When {lnum} is smaller than 1 or bigger than the number of | |
| 685 | 3820 lines in the buffer, an empty |List| is returned. |
| 435 | 3821 |
| 3822 When {end} is greater than the number of lines in the buffer, | |
| 3823 it is treated as {end} is set to the number of lines in the | |
| 685 | 3824 buffer. When {end} is before {lnum} an empty |List| is |
| 435 | 3825 returned. |
| 3826 | |
| 448 | 3827 This function works only for loaded buffers. For unloaded and |
| 685 | 3828 non-existing buffers, an empty |List| is returned. |
| 435 | 3829 |
| 3830 Example: > | |
| 3831 :let lines = getbufline(bufnr("myfile"), 1, "$") | |
| 82 | 3832 |
| 4157 | 3833 getbufvar({expr}, {varname} [, {def}]) *getbufvar()* |
| 82 | 3834 The result is the value of option or local buffer variable |
| 3835 {varname} in buffer {expr}. Note that the name without "b:" | |
| 3836 must be used. | |
| 1668 | 3837 When {varname} is empty returns a dictionary with all the |
| 3838 buffer-local variables. | |
| 216 | 3839 This also works for a global or buffer-local option, but it |
| 3840 doesn't work for a global variable, window-local variable or | |
| 3841 window-local option. | |
| 82 | 3842 For the use of {expr}, see |bufname()| above. |
| 4157 | 3843 When the buffer or variable doesn't exist {def} or an empty |
| 3844 string is returned, there is no error message. | |
| 82 | 3845 Examples: > |
| 3846 :let bufmodified = getbufvar(1, "&mod") | |
| 3847 :echo "todo myvar = " . getbufvar("todo", "myvar") | |
| 3848 < | |
| 7 | 3849 getchar([expr]) *getchar()* |
| 867 | 3850 Get a single character from the user or input stream. |
| 7 | 3851 If [expr] is omitted, wait until a character is available. |
| 3852 If [expr] is 0, only get a character when one is available. | |
| 867 | 3853 Return zero otherwise. |
| 7 | 3854 If [expr] is 1, only check if a character is available, it is |
| 867 | 3855 not consumed. Return zero if no character available. |
| 3856 | |
| 5555 | 3857 Without [expr] and when [expr] is 0 a whole character or |
| 867 | 3858 special key is returned. If it is an 8-bit character, the |
| 3859 result is a number. Use nr2char() to convert it to a String. | |
| 3860 Otherwise a String is returned with the encoded character. | |
| 3861 For a special key it's a sequence of bytes starting with 0x80 | |
| 872 | 3862 (decimal: 128). This is the same value as the string |
| 3863 "\<Key>", e.g., "\<Left>". The returned value is also a | |
| 3864 String when a modifier (shift, control, alt) was used that is | |
| 3865 not included in the character. | |
| 867 | 3866 |
| 5968 | 3867 When [expr] is 0 and Esc is typed, there will be a short delay |
| 3868 while Vim waits to see if this is the start of an escape | |
| 3869 sequence. | |
| 3870 | |
| 5555 | 3871 When [expr] is 1 only the first byte is returned. For a |
| 872 | 3872 one-byte character it is the character itself as a number. |
| 3873 Use nr2char() to convert it to a String. | |
| 867 | 3874 |
| 3224 | 3875 Use getcharmod() to obtain any additional modifiers. |
| 3876 | |
| 1029 | 3877 When the user clicks a mouse button, the mouse event will be |
| 3878 returned. The position can then be found in |v:mouse_col|, | |
|
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3879 |v:mouse_lnum|, |v:mouse_winid| and |v:mouse_win|. This |
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3880 example positions the mouse as it would normally happen: > |
| 1029 | 3881 let c = getchar() |
| 1621 | 3882 if c == "\<LeftMouse>" && v:mouse_win > 0 |
| 1029 | 3883 exe v:mouse_win . "wincmd w" |
| 3884 exe v:mouse_lnum | |
| 3885 exe "normal " . v:mouse_col . "|" | |
| 3886 endif | |
| 3887 < | |
| 7 | 3888 There is no prompt, you will somehow have to make clear to the |
| 3889 user that a character has to be typed. | |
| 3890 There is no mapping for the character. | |
| 3891 Key codes are replaced, thus when the user presses the <Del> | |
| 3892 key you get the code for the <Del> key, not the raw character | |
| 3893 sequence. Examples: > | |
| 3894 getchar() == "\<Del>" | |
| 3895 getchar() == "\<S-Left>" | |
| 3896 < This example redefines "f" to ignore case: > | |
| 3897 :nmap f :call FindChar()<CR> | |
| 3898 :function FindChar() | |
| 3899 : let c = nr2char(getchar()) | |
| 3900 : while col('.') < col('$') - 1 | |
| 3901 : normal l | |
| 3902 : if getline('.')[col('.') - 1] ==? c | |
| 3903 : break | |
| 3904 : endif | |
| 3905 : endwhile | |
| 3906 :endfunction | |
| 6421 | 3907 < |
| 6647 | 3908 You may also receive synthetic characters, such as |
| 6421 | 3909 |<CursorHold>|. Often you will want to ignore this and get |
| 3910 another character: > | |
| 3911 :function GetKey() | |
| 3912 : let c = getchar() | |
| 3913 : while c == "\<CursorHold>" | |
| 3914 : let c = getchar() | |
| 3915 : endwhile | |
| 3916 : return c | |
| 3917 :endfunction | |
| 7 | 3918 |
| 3919 getcharmod() *getcharmod()* | |
| 3920 The result is a Number which is the state of the modifiers for | |
| 3921 the last obtained character with getchar() or in another way. | |
| 3922 These values are added together: | |
| 3923 2 shift | |
| 3924 4 control | |
| 3925 8 alt (meta) | |
| 3224 | 3926 16 meta (when it's different from ALT) |
| 3927 32 mouse double click | |
| 3928 64 mouse triple click | |
| 3929 96 mouse quadruple click (== 32 + 64) | |
| 3930 128 command (Macintosh only) | |
| 7 | 3931 Only the modifiers that have not been included in the |
| 1621 | 3932 character itself are obtained. Thus Shift-a results in "A" |
|
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3933 without a modifier. |
| 7 | 3934 |
| 6991 | 3935 getcharsearch() *getcharsearch()* |
| 3936 Return the current character search information as a {dict} | |
| 3937 with the following entries: | |
| 3938 | |
| 3939 char character previously used for a character | |
| 3940 search (|t|, |f|, |T|, or |F|); empty string | |
| 3941 if no character search has been performed | |
| 3942 forward direction of character search; 1 for forward, | |
| 3943 0 for backward | |
| 3944 until type of character search; 1 for a |t| or |T| | |
| 3945 character search, 0 for an |f| or |F| | |
| 3946 character search | |
| 3947 | |
| 3948 This can be useful to always have |;| and |,| search | |
| 3949 forward/backward regardless of the direction of the previous | |
| 3950 character search: > | |
| 3951 :nnoremap <expr> ; getcharsearch().forward ? ';' : ',' | |
| 3952 :nnoremap <expr> , getcharsearch().forward ? ',' : ';' | |
| 3953 < Also see |setcharsearch()|. | |
| 3954 | |
| 7 | 3955 getcmdline() *getcmdline()* |
| 3956 Return the current command-line. Only works when the command | |
| 3957 line is being edited, thus requires use of |c_CTRL-\_e| or | |
| 3958 |c_CTRL-R_=|. | |
| 3959 Example: > | |
| 3960 :cmap <F7> <C-\>eescape(getcmdline(), ' \')<CR> | |
| 531 | 3961 < Also see |getcmdtype()|, |getcmdpos()| and |setcmdpos()|. |
| 7 | 3962 |
| 95 | 3963 getcmdpos() *getcmdpos()* |
| 7 | 3964 Return the position of the cursor in the command line as a |
| 3965 byte count. The first column is 1. | |
| 3966 Only works when editing the command line, thus requires use of | |
| 3456 | 3967 |c_CTRL-\_e| or |c_CTRL-R_=| or an expression mapping. |
| 3968 Returns 0 otherwise. | |
| 531 | 3969 Also see |getcmdtype()|, |setcmdpos()| and |getcmdline()|. |
| 3970 | |
| 3971 getcmdtype() *getcmdtype()* | |
| 3972 Return the current command-line type. Possible return values | |
| 3973 are: | |
| 532 | 3974 : normal Ex command |
| 3975 > debug mode command |debug-mode| | |
| 3976 / forward search command | |
| 3977 ? backward search command | |
| 3978 @ |input()| command | |
| 3979 - |:insert| or |:append| command | |
| 6213 | 3980 = |i_CTRL-R_=| |
| 531 | 3981 Only works when editing the command line, thus requires use of |
| 3456 | 3982 |c_CTRL-\_e| or |c_CTRL-R_=| or an expression mapping. |
| 3983 Returns an empty string otherwise. | |
| 531 | 3984 Also see |getcmdpos()|, |setcmdpos()| and |getcmdline()|. |
| 7 | 3985 |
| 6153 | 3986 getcmdwintype() *getcmdwintype()* |
| 3987 Return the current |command-line-window| type. Possible return | |
| 3988 values are the same as |getcmdtype()|. Returns an empty string | |
| 3989 when not in the command-line window. | |
| 3990 | |
| 5944 | 3991 *getcurpos()* |
| 3992 getcurpos() Get the position of the cursor. This is like getpos('.'), but | |
| 3993 includes an extra item in the list: | |
|
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3994 [bufnum, lnum, col, off, curswant] ~ |
| 5944 | 3995 The "curswant" number is the preferred column when moving the |
| 3996 cursor vertically. | |
| 3997 This can be used to save and restore the cursor position: > | |
| 3998 let save_cursor = getcurpos() | |
| 3999 MoveTheCursorAround | |
| 4000 call setpos('.', save_cursor) | |
| 6153 | 4001 < |
| 7 | 4002 *getcwd()* |
|
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4003 getcwd([{winnr} [, {tabnr}]]) |
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4004 The result is a String, which is the name of the current |
| 7 | 4005 working directory. |
|
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4006 Without arguments, for the current window. |
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4007 |
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4008 With {winnr} return the local current directory of this window |
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4009 in the current tab page. |
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4010 With {winnr} and {tabnr} return the local current directory of |
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4011 the window in the specified tab page. |
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4012 {winnr} can be the window number or the window ID. |
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4013 Return an empty string if the arguments are invalid. |
| 7 | 4014 |
| 4015 getfsize({fname}) *getfsize()* | |
| 4016 The result is a Number, which is the size in bytes of the | |
| 4017 given file {fname}. | |
| 4018 If {fname} is a directory, 0 is returned. | |
| 4019 If the file {fname} can't be found, -1 is returned. | |
| 1293 | 4020 If the size of {fname} is too big to fit in a Number then -2 |
| 4021 is returned. | |
| 7 | 4022 |
| 37 | 4023 getfontname([{name}]) *getfontname()* |
| 4024 Without an argument returns the name of the normal font being | |
| 4025 used. Like what is used for the Normal highlight group | |
| 4026 |hl-Normal|. | |
| 4027 With an argument a check is done whether {name} is a valid | |
| 4028 font name. If not then an empty string is returned. | |
| 4029 Otherwise the actual font name is returned, or {name} if the | |
| 4030 GUI does not support obtaining the real name. | |
| 824 | 4031 Only works when the GUI is running, thus not in your vimrc or |
| 819 | 4032 gvimrc file. Use the |GUIEnter| autocommand to use this |
| 4033 function just after the GUI has started. | |
| 37 | 4034 Note that the GTK 2 GUI accepts any font name, thus checking |
| 4035 for a valid name does not work. | |
| 4036 | |
| 20 | 4037 getfperm({fname}) *getfperm()* |
| 4038 The result is a String, which is the read, write, and execute | |
| 4039 permissions of the given file {fname}. | |
| 4040 If {fname} does not exist or its directory cannot be read, an | |
| 4041 empty string is returned. | |
| 4042 The result is of the form "rwxrwxrwx", where each group of | |
| 4043 "rwx" flags represent, in turn, the permissions of the owner | |
| 4044 of the file, the group the file belongs to, and other users. | |
| 4045 If a user does not have a given permission the flag for this | |
| 3750 | 4046 is replaced with the string "-". Examples: > |
| 20 | 4047 :echo getfperm("/etc/passwd") |
| 3750 | 4048 :echo getfperm(expand("~/.vimrc")) |
| 20 | 4049 < This will hopefully (from a security point of view) display |
| 4050 the string "rw-r--r--" or even "rw-------". | |
| 205 | 4051 |
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4052 For setting permissins use |setfperm()|. |
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4053 |
| 7 | 4054 getftime({fname}) *getftime()* |
| 4055 The result is a Number, which is the last modification time of | |
| 4056 the given file {fname}. The value is measured as seconds | |
| 4057 since 1st Jan 1970, and may be passed to strftime(). See also | |
| 4058 |localtime()| and |strftime()|. | |
| 4059 If the file {fname} can't be found -1 is returned. | |
| 4060 | |
| 20 | 4061 getftype({fname}) *getftype()* |
| 4062 The result is a String, which is a description of the kind of | |
| 4063 file of the given file {fname}. | |
| 4064 If {fname} does not exist an empty string is returned. | |
| 4065 Here is a table over different kinds of files and their | |
| 4066 results: | |
| 4067 Normal file "file" | |
| 4068 Directory "dir" | |
| 4069 Symbolic link "link" | |
| 4070 Block device "bdev" | |
| 4071 Character device "cdev" | |
| 4072 Socket "socket" | |
| 4073 FIFO "fifo" | |
| 4074 All other "other" | |
| 4075 Example: > | |
| 4076 getftype("/home") | |
| 4077 < Note that a type such as "link" will only be returned on | |
| 4078 systems that support it. On some systems only "dir" and | |
|
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4079 "file" are returned. On MS-Windows a symbolic link to a |
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4080 directory returns "dir" instead of "link". |
| 20 | 4081 |
| 7 | 4082 *getline()* |
| 82 | 4083 getline({lnum} [, {end}]) |
| 4084 Without {end} the result is a String, which is line {lnum} | |
| 4085 from the current buffer. Example: > | |
| 7 | 4086 getline(1) |
| 4087 < When {lnum} is a String that doesn't start with a | |
| 4088 digit, line() is called to translate the String into a Number. | |
| 4089 To get the line under the cursor: > | |
| 4090 getline(".") | |
| 4091 < When {lnum} is smaller than 1 or bigger than the number of | |
| 4092 lines in the buffer, an empty string is returned. | |
| 4093 | |
| 685 | 4094 When {end} is given the result is a |List| where each item is |
| 4095 a line from the current buffer in the range {lnum} to {end}, | |
| 82 | 4096 including line {end}. |
| 4097 {end} is used in the same way as {lnum}. | |
| 4098 Non-existing lines are silently omitted. | |
| 685 | 4099 When {end} is before {lnum} an empty |List| is returned. |
| 82 | 4100 Example: > |
| 4101 :let start = line('.') | |
| 4102 :let end = search("^$") - 1 | |
| 4103 :let lines = getline(start, end) | |
| 4104 | |
| 1156 | 4105 < To get lines from another buffer see |getbufline()| |
| 4106 | |
| 647 | 4107 getloclist({nr}) *getloclist()* |
| 4108 Returns a list with all the entries in the location list for | |
|
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4109 window {nr}. {nr} can be the window number or the window ID. |
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4110 When {nr} is zero the current window is used. |
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4111 |
| 647 | 4112 For a location list window, the displayed location list is |
| 648 | 4113 returned. For an invalid window number {nr}, an empty list is |
|
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4114 returned. Otherwise, same as |getqflist()|. |
| 82 | 4115 |
| 1326 | 4116 getmatches() *getmatches()* |
| 4117 Returns a |List| with all matches previously defined by | |
| 4118 |matchadd()| and the |:match| commands. |getmatches()| is | |
| 4119 useful in combination with |setmatches()|, as |setmatches()| | |
| 4120 can restore a list of matches saved by |getmatches()|. | |
| 4121 Example: > | |
| 4122 :echo getmatches() | |
| 4123 < [{'group': 'MyGroup1', 'pattern': 'TODO', | |
| 4124 'priority': 10, 'id': 1}, {'group': 'MyGroup2', | |
| 4125 'pattern': 'FIXME', 'priority': 10, 'id': 2}] > | |
| 4126 :let m = getmatches() | |
| 4127 :call clearmatches() | |
| 4128 :echo getmatches() | |
| 4129 < [] > | |
| 4130 :call setmatches(m) | |
| 4131 :echo getmatches() | |
| 4132 < [{'group': 'MyGroup1', 'pattern': 'TODO', | |
| 4133 'priority': 10, 'id': 1}, {'group': 'MyGroup2', | |
| 4134 'pattern': 'FIXME', 'priority': 10, 'id': 2}] > | |
| 4135 :unlet m | |
| 4136 < | |
| 5968 | 4137 *getpid()* |
| 4138 getpid() Return a Number which is the process ID of the Vim process. | |
| 4139 On Unix and MS-Windows this is a unique number, until Vim | |
| 4140 exits. On MS-DOS it's always zero. | |
| 4141 | |
| 4142 *getpos()* | |
| 4143 getpos({expr}) Get the position for {expr}. For possible values of {expr} | |
| 4144 see |line()|. For getting the cursor position see | |
| 4145 |getcurpos()|. | |
| 4146 The result is a |List| with four numbers: | |
| 4147 [bufnum, lnum, col, off] | |
| 4148 "bufnum" is zero, unless a mark like '0 or 'A is used, then it | |
| 4149 is the buffer number of the mark. | |
| 4150 "lnum" and "col" are the position in the buffer. The first | |
| 4151 column is 1. | |
| 4152 The "off" number is zero, unless 'virtualedit' is used. Then | |
| 4153 it is the offset in screen columns from the start of the | |
| 4154 character. E.g., a position within a <Tab> or after the last | |
| 4155 character. | |
| 4156 Note that for '< and '> Visual mode matters: when it is "V" | |
| 4157 (visual line mode) the column of '< is zero and the column of | |
| 4158 '> is a large number. | |
| 4159 This can be used to save and restore the position of a mark: > | |
| 4160 let save_a_mark = getpos("'a") | |
| 4161 ... | |
| 6421 | 4162 call setpos("'a", save_a_mark) |
| 5968 | 4163 < Also see |getcurpos()| and |setpos()|. |
| 4164 | |
| 1326 | 4165 |
| 230 | 4166 getqflist() *getqflist()* |
| 4167 Returns a list with all the current quickfix errors. Each | |
| 4168 list item is a dictionary with these entries: | |
| 4169 bufnr number of buffer that has the file name, use | |
| 4170 bufname() to get the name | |
| 4171 lnum line number in the buffer (first line is 1) | |
| 4172 col column number (first column is 1) | |
| 233 | 4173 vcol non-zero: "col" is visual column |
| 4174 zero: "col" is byte index | |
| 230 | 4175 nr error number |
| 1065 | 4176 pattern search pattern used to locate the error |
| 230 | 4177 text description of the error |
| 4178 type type of the error, 'E', '1', etc. | |
| 4179 valid non-zero: recognized error message | |
| 4180 | |
| 515 | 4181 When there is no error list or it's empty an empty list is |
| 1065 | 4182 returned. Quickfix list entries with non-existing buffer |
| 4183 number are returned with "bufnr" set to zero. | |
| 515 | 4184 |
| 230 | 4185 Useful application: Find pattern matches in multiple files and |
| 4186 do something with them: > | |
| 4187 :vimgrep /theword/jg *.c | |
| 4188 :for d in getqflist() | |
| 4189 : echo bufname(d.bufnr) ':' d.lnum '=' d.text | |
| 4190 :endfor | |
| 4191 | |
| 4192 | |
| 5796 | 4193 getreg([{regname} [, 1 [, {list}]]]) *getreg()* |
| 7 | 4194 The result is a String, which is the contents of register |
| 236 | 4195 {regname}. Example: > |
| 7 | 4196 :let cliptext = getreg('*') |
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4197 < When {regname} was not set the result is a empty string. |
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|
4198 |
|
0bdeaf7092bc
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parents:
8883
diff
changeset
|
4199 getreg('=') returns the last evaluated value of the expression |
| 236 | 4200 register. (For use in maps.) |
| 282 | 4201 getreg('=', 1) returns the expression itself, so that it can |
| 4202 be restored with |setreg()|. For other registers the extra | |
| 4203 argument is ignored, thus you can always give it. | |
|
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diff
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|
4204 |
|
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diff
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|
4205 If {list} is present and non-zero, the result type is changed |
|
0bdeaf7092bc
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
4206 to |List|. Each list item is one text line. Use it if you care |
| 5796 | 4207 about zero bytes possibly present inside register: without |
| 4208 third argument both NLs and zero bytes are represented as NLs | |
| 4209 (see |NL-used-for-Nul|). | |
|
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diff
changeset
|
4210 When the register was not set an empty list is returned. |
|
0bdeaf7092bc
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diff
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|
4211 |
| 7 | 4212 If {regname} is not specified, |v:register| is used. |
| 4213 | |
| 82 | 4214 |
| 7 | 4215 getregtype([{regname}]) *getregtype()* |
| 4216 The result is a String, which is type of register {regname}. | |
| 4217 The value will be one of: | |
| 4218 "v" for |characterwise| text | |
| 4219 "V" for |linewise| text | |
| 4220 "<CTRL-V>{width}" for |blockwise-visual| text | |
| 5596 | 4221 "" for an empty or unknown register |
| 7 | 4222 <CTRL-V> is one character with value 0x16. |
| 4223 If {regname} is not specified, |v:register| is used. | |
| 4224 | |
| 4157 | 4225 gettabvar({tabnr}, {varname} [, {def}]) *gettabvar()* |
|
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|
4226 Get the value of a tab-local variable {varname} in tab page |
|
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|
4227 {tabnr}. |t:var| |
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|
4228 Tabs are numbered starting with one. |
| 6197 | 4229 When {varname} is empty a dictionary with all tab-local |
| 4230 variables is returned. | |
|
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|
4231 Note that the name without "t:" must be used. |
| 4157 | 4232 When the tab or variable doesn't exist {def} or an empty |
| 4233 string is returned, there is no error message. | |
| 4234 | |
| 4235 gettabwinvar({tabnr}, {winnr}, {varname} [, {def}]) *gettabwinvar()* | |
| 1156 | 4236 Get the value of window-local variable {varname} in window |
| 4237 {winnr} in tab page {tabnr}. | |
| 4238 When {varname} starts with "&" get the value of a window-local | |
| 4239 option. | |
| 4157 | 4240 When {varname} is empty a dictionary with all window-local |
| 4241 variables is returned. | |
| 4242 Note that {varname} must be the name without "w:". | |
| 831 | 4243 Tabs are numbered starting with one. For the current tabpage |
| 4244 use |getwinvar()|. | |
|
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|
4245 {winnr} can be the window number or the window ID. |
| 831 | 4246 When {winnr} is zero the current window is used. |
| 4247 This also works for a global option, buffer-local option and | |
| 4248 window-local option, but it doesn't work for a global variable | |
| 4249 or buffer-local variable. | |
| 4157 | 4250 When the tab, window or variable doesn't exist {def} or an |
| 4251 empty string is returned, there is no error message. | |
| 831 | 4252 Examples: > |
| 4253 :let list_is_on = gettabwinvar(1, 2, '&list') | |
| 4254 :echo "myvar = " . gettabwinvar(3, 1, 'myvar') | |
| 1266 | 4255 < |
| 7 | 4256 *getwinposx()* |
| 4257 getwinposx() The result is a Number, which is the X coordinate in pixels of | |
| 4258 the left hand side of the GUI Vim window. The result will be | |
| 4259 -1 if the information is not available. | |
| 4260 | |
| 4261 *getwinposy()* | |
| 4262 getwinposy() The result is a Number, which is the Y coordinate in pixels of | |
| 1621 | 4263 the top of the GUI Vim window. The result will be -1 if the |
| 7 | 4264 information is not available. |
| 4265 | |
| 4157 | 4266 getwinvar({winnr}, {varname} [, {def}]) *getwinvar()* |
| 831 | 4267 Like |gettabwinvar()| for the current tabpage. |
| 7 | 4268 Examples: > |
| 4269 :let list_is_on = getwinvar(2, '&list') | |
| 4270 :echo "myvar = " . getwinvar(1, 'myvar') | |
| 4271 < | |
| 6663 | 4272 glob({expr} [, {nosuf} [, {list} [, {alllinks}]]]) *glob()* |
| 1754 | 4273 Expand the file wildcards in {expr}. See |wildcards| for the |
| 1156 | 4274 use of special characters. |
|
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|
4275 |
|
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|
4276 Unless the optional {nosuf} argument is given and is non-zero, |
| 1754 | 4277 the 'suffixes' and 'wildignore' options apply: Names matching |
| 4278 one of the patterns in 'wildignore' will be skipped and | |
| 4279 'suffixes' affect the ordering of matches. | |
| 2662 | 4280 'wildignorecase' always applies. |
|
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|
4281 |
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parents:
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|
4282 When {list} is present and it is non-zero the result is a List |
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|
4283 with all matching files. The advantage of using a List is, |
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parents:
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changeset
|
4284 you also get filenames containing newlines correctly. |
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4285 Otherwise the result is a String and when there are several |
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|
4286 matches, they are separated by <NL> characters. |
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4287 |
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|
4288 If the expansion fails, the result is an empty String or List. |
| 6663 | 4289 |
| 3445 | 4290 A name for a non-existing file is not included. A symbolic |
| 4291 link is only included if it points to an existing file. | |
| 6663 | 4292 However, when the {alllinks} argument is present and it is |
| 4293 non-zero then all symbolic links are included. | |
| 7 | 4294 |
| 4295 For most systems backticks can be used to get files names from | |
| 4296 any external command. Example: > | |
| 4297 :let tagfiles = glob("`find . -name tags -print`") | |
| 4298 :let &tags = substitute(tagfiles, "\n", ",", "g") | |
| 4299 < The result of the program inside the backticks should be one | |
| 1621 | 4300 item per line. Spaces inside an item are allowed. |
| 7 | 4301 |
| 4302 See |expand()| for expanding special Vim variables. See | |
| 4303 |system()| for getting the raw output of an external command. | |
| 4304 | |
| 6697 | 4305 glob2regpat({expr}) *glob2regpat()* |
| 4306 Convert a file pattern, as used by glob(), into a search | |
| 4307 pattern. The result can be used to match with a string that | |
| 4308 is a file name. E.g. > | |
| 4309 if filename =~ glob2regpat('Make*.mak') | |
| 4310 < This is equivalent to: > | |
| 4311 if filename =~ '^Make.*\.mak$' | |
|
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|
4312 < When {expr} is an empty string the result is "^$", match an |
|
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
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|
4313 empty string. |
|
192ae655ac91
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|
4314 |
| 6663 | 4315 *globpath()* |
|
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|
4316 globpath({path}, {expr} [, {nosuf} [, {list} [, {alllinks}]]]) |
| 7 | 4317 Perform glob() on all directories in {path} and concatenate |
| 4318 the results. Example: > | |
| 4319 :echo globpath(&rtp, "syntax/c.vim") | |
| 5873 | 4320 < |
| 4321 {path} is a comma-separated list of directory names. Each | |
| 7 | 4322 directory name is prepended to {expr} and expanded like with |
| 1754 | 4323 |glob()|. A path separator is inserted when needed. |
| 7 | 4324 To add a comma inside a directory name escape it with a |
| 4325 backslash. Note that on MS-Windows a directory may have a | |
| 4326 trailing backslash, remove it if you put a comma after it. | |
| 4327 If the expansion fails for one of the directories, there is no | |
| 4328 error message. | |
| 5873 | 4329 |
| 4330 Unless the optional {nosuf} argument is given and is non-zero, | |
| 1754 | 4331 the 'suffixes' and 'wildignore' options apply: Names matching |
| 4332 one of the patterns in 'wildignore' will be skipped and | |
| 4333 'suffixes' affect the ordering of matches. | |
| 7 | 4334 |
| 5873 | 4335 When {list} is present and it is non-zero the result is a List |
| 4336 with all matching files. The advantage of using a List is, you | |
| 4337 also get filenames containing newlines correctly. Otherwise | |
| 4338 the result is a String and when there are several matches, | |
| 4339 they are separated by <NL> characters. Example: > | |
| 4340 :echo globpath(&rtp, "syntax/c.vim", 0, 1) | |
| 4341 < | |
|
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diff
changeset
|
4342 {alllinks} is used as with |glob()|. |
| 6663 | 4343 |
| 444 | 4344 The "**" item can be used to search in a directory tree. |
| 4345 For example, to find all "README.txt" files in the directories | |
| 4346 in 'runtimepath' and below: > | |
| 4347 :echo globpath(&rtp, "**/README.txt") | |
| 1668 | 4348 < Upwards search and limiting the depth of "**" is not |
| 4349 supported, thus using 'path' will not always work properly. | |
| 4350 | |
| 7 | 4351 *has()* |
| 4352 has({feature}) The result is a Number, which is 1 if the feature {feature} is | |
| 4353 supported, zero otherwise. The {feature} argument is a | |
| 4354 string. See |feature-list| below. | |
| 4355 Also see |exists()|. | |
| 4356 | |
| 102 | 4357 |
| 4358 has_key({dict}, {key}) *has_key()* | |
| 685 | 4359 The result is a Number, which is 1 if |Dictionary| {dict} has |
| 4360 an entry with key {key}. Zero otherwise. | |
| 102 | 4361 |
|
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|
4362 haslocaldir([{winnr} [, {tabnr}]]) *haslocaldir()* |
|
d4370fef0175
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|
4363 The result is a Number, which is 1 when the window has set a |
|
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commit https://github.com/vim/vim/commit/c970330676eaae7ba7cd05cfa46df5a413853ef9
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diff
changeset
|
4364 local path via |:lcd|, and 0 otherwise. |
|
d4370fef0175
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parents:
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diff
changeset
|
4365 |
|
d4370fef0175
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|
4366 Without arguments use the current window. |
|
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|
4367 With {winnr} use this window in the current tab page. |
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|
4368 With {winnr} and {tabnr} use the window in the specified tab |
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|
4369 page. |
|
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4370 {winnr} can be the window number or the window ID. |
|
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diff
changeset
|
4371 Return 0 if the arguments are invalid. |
| 102 | 4372 |
| 782 | 4373 hasmapto({what} [, {mode} [, {abbr}]]) *hasmapto()* |
| 7 | 4374 The result is a Number, which is 1 if there is a mapping that |
| 4375 contains {what} in somewhere in the rhs (what it is mapped to) | |
| 4376 and this mapping exists in one of the modes indicated by | |
| 4377 {mode}. | |
| 782 | 4378 When {abbr} is there and it is non-zero use abbreviations |
| 786 | 4379 instead of mappings. Don't forget to specify Insert and/or |
| 4380 Command-line mode. | |
| 7 | 4381 Both the global mappings and the mappings local to the current |
| 4382 buffer are checked for a match. | |
| 4383 If no matching mapping is found 0 is returned. | |
| 4384 The following characters are recognized in {mode}: | |
| 4385 n Normal mode | |
| 4386 v Visual mode | |
| 4387 o Operator-pending mode | |
| 4388 i Insert mode | |
| 4389 l Language-Argument ("r", "f", "t", etc.) | |
| 4390 c Command-line mode | |
| 4391 When {mode} is omitted, "nvo" is used. | |
| 4392 | |
| 4393 This function is useful to check if a mapping already exists | |
| 1621 | 4394 to a function in a Vim script. Example: > |
| 7 | 4395 :if !hasmapto('\ABCdoit') |
| 4396 : map <Leader>d \ABCdoit | |
| 4397 :endif | |
| 4398 < This installs the mapping to "\ABCdoit" only if there isn't | |
| 4399 already a mapping to "\ABCdoit". | |
| 4400 | |
| 4401 histadd({history}, {item}) *histadd()* | |
| 4402 Add the String {item} to the history {history} which can be | |
| 4403 one of: *hist-names* | |
| 4404 "cmd" or ":" command line history | |
| 4405 "search" or "/" search pattern history | |
| 1621 | 4406 "expr" or "=" typed expression history |
| 7 | 4407 "input" or "@" input line history |
| 3682 | 4408 "debug" or ">" debug command history |
| 4409 The {history} string does not need to be the whole name, one | |
| 4410 character is sufficient. | |
| 7 | 4411 If {item} does already exist in the history, it will be |
| 4412 shifted to become the newest entry. | |
| 4413 The result is a Number: 1 if the operation was successful, | |
| 4414 otherwise 0 is returned. | |
| 4415 | |
| 4416 Example: > | |
| 4417 :call histadd("input", strftime("%Y %b %d")) | |
| 4418 :let date=input("Enter date: ") | |
| 4419 < This function is not available in the |sandbox|. | |
| 4420 | |
| 4421 histdel({history} [, {item}]) *histdel()* | |
| 236 | 4422 Clear {history}, i.e. delete all its entries. See |hist-names| |
| 7 | 4423 for the possible values of {history}. |
| 4424 | |
| 1668 | 4425 If the parameter {item} evaluates to a String, it is used as a |
| 4426 regular expression. All entries matching that expression will | |
| 4427 be removed from the history (if there are any). | |
| 7 | 4428 Upper/lowercase must match, unless "\c" is used |/\c|. |
| 1668 | 4429 If {item} evaluates to a Number, it will be interpreted as |
| 4430 an index, see |:history-indexing|. The respective entry will | |
| 4431 be removed if it exists. | |
| 7 | 4432 |
| 4433 The result is a Number: 1 for a successful operation, | |
| 4434 otherwise 0 is returned. | |
| 4435 | |
| 4436 Examples: | |
| 4437 Clear expression register history: > | |
| 4438 :call histdel("expr") | |
| 4439 < | |
| 4440 Remove all entries starting with "*" from the search history: > | |
| 4441 :call histdel("/", '^\*') | |
| 4442 < | |
| 4443 The following three are equivalent: > | |
| 4444 :call histdel("search", histnr("search")) | |
| 4445 :call histdel("search", -1) | |
| 4446 :call histdel("search", '^'.histget("search", -1).'$') | |
| 4447 < | |
| 4448 To delete the last search pattern and use the last-but-one for | |
| 4449 the "n" command and 'hlsearch': > | |
| 4450 :call histdel("search", -1) | |
| 4451 :let @/ = histget("search", -1) | |
| 4452 | |
| 4453 histget({history} [, {index}]) *histget()* | |
| 4454 The result is a String, the entry with Number {index} from | |
| 4455 {history}. See |hist-names| for the possible values of | |
| 4456 {history}, and |:history-indexing| for {index}. If there is | |
| 4457 no such entry, an empty String is returned. When {index} is | |
| 4458 omitted, the most recent item from the history is used. | |
| 4459 | |
| 4460 Examples: | |
| 4461 Redo the second last search from history. > | |
| 4462 :execute '/' . histget("search", -2) | |
| 4463 | |
| 4464 < Define an Ex command ":H {num}" that supports re-execution of | |
| 4465 the {num}th entry from the output of |:history|. > | |
| 4466 :command -nargs=1 H execute histget("cmd", 0+<args>) | |
| 4467 < | |
| 4468 histnr({history}) *histnr()* | |
| 4469 The result is the Number of the current entry in {history}. | |
| 4470 See |hist-names| for the possible values of {history}. | |
| 4471 If an error occurred, -1 is returned. | |
| 4472 | |
| 4473 Example: > | |
| 4474 :let inp_index = histnr("expr") | |
| 4475 < | |
| 4476 hlexists({name}) *hlexists()* | |
| 4477 The result is a Number, which is non-zero if a highlight group | |
| 4478 called {name} exists. This is when the group has been | |
| 4479 defined in some way. Not necessarily when highlighting has | |
| 4480 been defined for it, it may also have been used for a syntax | |
| 4481 item. | |
| 4482 *highlight_exists()* | |
| 4483 Obsolete name: highlight_exists(). | |
| 4484 | |
| 4485 *hlID()* | |
| 4486 hlID({name}) The result is a Number, which is the ID of the highlight group | |
| 4487 with name {name}. When the highlight group doesn't exist, | |
| 4488 zero is returned. | |
| 4489 This can be used to retrieve information about the highlight | |
| 1621 | 4490 group. For example, to get the background color of the |
| 7 | 4491 "Comment" group: > |
| 4492 :echo synIDattr(synIDtrans(hlID("Comment")), "bg") | |
| 4493 < *highlightID()* | |
| 4494 Obsolete name: highlightID(). | |
| 4495 | |
| 4496 hostname() *hostname()* | |
| 4497 The result is a String, which is the name of the machine on | |
| 236 | 4498 which Vim is currently running. Machine names greater than |
| 7 | 4499 256 characters long are truncated. |
| 4500 | |
| 4501 iconv({expr}, {from}, {to}) *iconv()* | |
| 4502 The result is a String, which is the text {expr} converted | |
| 4503 from encoding {from} to encoding {to}. | |
|
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|
4504 When the conversion completely fails an empty string is |
|
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|
4505 returned. When some characters could not be converted they |
|
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Bram Moolenaar <bram@zimbu.org>
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diff
changeset
|
4506 are replaced with "?". |
| 7 | 4507 The encoding names are whatever the iconv() library function |
| 4508 can accept, see ":!man 3 iconv". | |
| 4509 Most conversions require Vim to be compiled with the |+iconv| | |
| 4510 feature. Otherwise only UTF-8 to latin1 conversion and back | |
| 4511 can be done. | |
| 4512 This can be used to display messages with special characters, | |
| 4513 no matter what 'encoding' is set to. Write the message in | |
| 4514 UTF-8 and use: > | |
| 4515 echo iconv(utf8_str, "utf-8", &enc) | |
| 4516 < Note that Vim uses UTF-8 for all Unicode encodings, conversion | |
| 4517 from/to UCS-2 is automatically changed to use UTF-8. You | |
| 4518 cannot use UCS-2 in a string anyway, because of the NUL bytes. | |
|
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|
4519 {only available when compiled with the |+multi_byte| feature} |
| 7 | 4520 |
| 4521 *indent()* | |
| 4522 indent({lnum}) The result is a Number, which is indent of line {lnum} in the | |
| 4523 current buffer. The indent is counted in spaces, the value | |
| 4524 of 'tabstop' is relevant. {lnum} is used just like in | |
| 4525 |getline()|. | |
| 4526 When {lnum} is invalid -1 is returned. | |
| 4527 | |
| 79 | 4528 |
| 95 | 4529 index({list}, {expr} [, {start} [, {ic}]]) *index()* |
| 685 | 4530 Return the lowest index in |List| {list} where the item has a |
|
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4531 value equal to {expr}. There is no automatic conversion, so |
|
de5a43c5eedc
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|
4532 the String "4" is different from the Number 4. And the number |
|
de5a43c5eedc
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|
4533 4 is different from the Float 4.0. The value of 'ignorecase' |
|
de5a43c5eedc
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diff
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|
4534 is not used here, case always matters. |
| 153 | 4535 If {start} is given then start looking at the item with index |
| 4536 {start} (may be negative for an item relative to the end). | |
| 79 | 4537 When {ic} is given and it is non-zero, ignore case. Otherwise |
| 4538 case must match. | |
| 4539 -1 is returned when {expr} is not found in {list}. | |
| 4540 Example: > | |
| 4541 :let idx = index(words, "the") | |
| 87 | 4542 :if index(numbers, 123) >= 0 |
| 79 | 4543 |
| 4544 | |
| 531 | 4545 input({prompt} [, {text} [, {completion}]]) *input()* |
| 7 | 4546 The result is a String, which is whatever the user typed on |
|
2033
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|
4547 the command-line. The {prompt} argument is either a prompt |
|
de5a43c5eedc
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|
4548 string, or a blank string (for no prompt). A '\n' can be used |
|
de5a43c5eedc
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|
4549 in the prompt to start a new line. |
| 531 | 4550 The highlighting set with |:echohl| is used for the prompt. |
| 4551 The input is entered just like a command-line, with the same | |
| 1621 | 4552 editing commands and mappings. There is a separate history |
| 531 | 4553 for lines typed for input(). |
| 4554 Example: > | |
| 4555 :if input("Coffee or beer? ") == "beer" | |
| 4556 : echo "Cheers!" | |
| 4557 :endif | |
| 4558 < | |
|
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|
4559 If the optional {text} argument is present and not empty, this |
|
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|
4560 is used for the default reply, as if the user typed this. |
|
de5a43c5eedc
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|
4561 Example: > |
| 531 | 4562 :let color = input("Color? ", "white") |
| 4563 | |
| 4564 < The optional {completion} argument specifies the type of | |
| 4565 completion supported for the input. Without it completion is | |
| 1621 | 4566 not performed. The supported completion types are the same as |
| 531 | 4567 that can be supplied to a user-defined command using the |
| 1621 | 4568 "-complete=" argument. Refer to |:command-completion| for |
| 531 | 4569 more information. Example: > |
| 4570 let fname = input("File: ", "", "file") | |
| 4571 < | |
| 4572 NOTE: This function must not be used in a startup file, for | |
| 4573 the versions that only run in GUI mode (e.g., the Win32 GUI). | |
| 7 | 4574 Note: When input() is called from within a mapping it will |
| 4575 consume remaining characters from that mapping, because a | |
| 4576 mapping is handled like the characters were typed. | |
| 4577 Use |inputsave()| before input() and |inputrestore()| | |
| 4578 after input() to avoid that. Another solution is to avoid | |
| 4579 that further characters follow in the mapping, e.g., by using | |
| 4580 |:execute| or |:normal|. | |
| 4581 | |
| 531 | 4582 Example with a mapping: > |
| 7 | 4583 :nmap \x :call GetFoo()<CR>:exe "/" . Foo<CR> |
| 4584 :function GetFoo() | |
| 4585 : call inputsave() | |
| 4586 : let g:Foo = input("enter search pattern: ") | |
| 4587 : call inputrestore() | |
| 4588 :endfunction | |
| 4589 | |
| 4590 inputdialog({prompt} [, {text} [, {cancelreturn}]]) *inputdialog()* | |
|
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4591 Like |input()|, but when the GUI is running and text dialogs |
|
de5a43c5eedc
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|
4592 are supported, a dialog window pops up to input the text. |
| 7 | 4593 Example: > |
| 3875 | 4594 :let n = inputdialog("value for shiftwidth", shiftwidth()) |
| 4595 :if n != "" | |
| 4596 : let &sw = n | |
| 4597 :endif | |
| 7 | 4598 < When the dialog is cancelled {cancelreturn} is returned. When |
| 4599 omitted an empty string is returned. | |
| 4600 Hitting <Enter> works like pressing the OK button. Hitting | |
| 4601 <Esc> works like pressing the Cancel button. | |
| 531 | 4602 NOTE: Command-line completion is not supported. |
| 7 | 4603 |
| 519 | 4604 inputlist({textlist}) *inputlist()* |
| 819 | 4605 {textlist} must be a |List| of strings. This |List| is |
| 4606 displayed, one string per line. The user will be prompted to | |
| 4607 enter a number, which is returned. | |
| 519 | 4608 The user can also select an item by clicking on it with the |
| 1621 | 4609 mouse. For the first string 0 is returned. When clicking |
| 519 | 4610 above the first item a negative number is returned. When |
| 4611 clicking on the prompt one more than the length of {textlist} | |
| 4612 is returned. | |
|
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4613 Make sure {textlist} has less than 'lines' entries, otherwise |
| 1621 | 4614 it won't work. It's a good idea to put the entry number at |
| 1156 | 4615 the start of the string. And put a prompt in the first item. |
| 4616 Example: > | |
| 519 | 4617 let color = inputlist(['Select color:', '1. red', |
| 4618 \ '2. green', '3. blue']) | |
| 4619 | |
| 7 | 4620 inputrestore() *inputrestore()* |
|
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4621 Restore typeahead that was saved with a previous |inputsave()|. |
| 7 | 4622 Should be called the same number of times inputsave() is |
| 4623 called. Calling it more often is harmless though. | |
| 4624 Returns 1 when there is nothing to restore, 0 otherwise. | |
| 4625 | |
| 4626 inputsave() *inputsave()* | |
| 4627 Preserve typeahead (also from mappings) and clear it, so that | |
| 4628 a following prompt gets input from the user. Should be | |
| 4629 followed by a matching inputrestore() after the prompt. Can | |
| 4630 be used several times, in which case there must be just as | |
| 4631 many inputrestore() calls. | |
| 4632 Returns 1 when out of memory, 0 otherwise. | |
| 4633 | |
| 4634 inputsecret({prompt} [, {text}]) *inputsecret()* | |
| 4635 This function acts much like the |input()| function with but | |
| 4636 two exceptions: | |
| 4637 a) the user's response will be displayed as a sequence of | |
| 4638 asterisks ("*") thereby keeping the entry secret, and | |
| 4639 b) the user's response will not be recorded on the input | |
| 4640 |history| stack. | |
| 4641 The result is a String, which is whatever the user actually | |
| 4642 typed on the command-line in response to the issued prompt. | |
| 531 | 4643 NOTE: Command-line completion is not supported. |
| 7 | 4644 |
| 55 | 4645 insert({list}, {item} [, {idx}]) *insert()* |
| 685 | 4646 Insert {item} at the start of |List| {list}. |
| 55 | 4647 If {idx} is specified insert {item} before the item with index |
| 1621 | 4648 {idx}. If {idx} is zero it goes before the first item, just |
| 55 | 4649 like omitting {idx}. A negative {idx} is also possible, see |
| 4650 |list-index|. -1 inserts just before the last item. | |
| 685 | 4651 Returns the resulting |List|. Examples: > |
| 55 | 4652 :let mylist = insert([2, 3, 5], 1) |
| 4653 :call insert(mylist, 4, -1) | |
| 4654 :call insert(mylist, 6, len(mylist)) | |
| 82 | 4655 < The last example can be done simpler with |add()|. |
| 685 | 4656 Note that when {item} is a |List| it is inserted as a single |
| 692 | 4657 item. Use |extend()| to concatenate |Lists|. |
| 55 | 4658 |
| 3214 | 4659 invert({expr}) *invert()* |
| 4660 Bitwise invert. The argument is converted to a number. A | |
| 4661 List, Dict or Float argument causes an error. Example: > | |
| 4662 :let bits = invert(bits) | |
| 4663 | |
| 7 | 4664 isdirectory({directory}) *isdirectory()* |
| 4665 The result is a Number, which is non-zero when a directory | |
| 4666 with the name {directory} exists. If {directory} doesn't | |
| 4667 exist, or isn't a directory, the result is FALSE. {directory} | |
| 4668 is any expression, which is used as a String. | |
| 4669 | |
| 819 | 4670 islocked({expr}) *islocked()* *E786* |
| 148 | 4671 The result is a Number, which is non-zero when {expr} is the |
| 4672 name of a locked variable. | |
| 685 | 4673 {expr} must be the name of a variable, |List| item or |
| 4674 |Dictionary| entry, not the variable itself! Example: > | |
| 148 | 4675 :let alist = [0, ['a', 'b'], 2, 3] |
| 4676 :lockvar 1 alist | |
| 4677 :echo islocked('alist') " 1 | |
| 4678 :echo islocked('alist[1]') " 0 | |
| 4679 | |
| 4680 < When {expr} is a variable that does not exist you get an error | |
| 843 | 4681 message. Use |exists()| to check for existence. |
| 148 | 4682 |
|
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4683 isnan({expr}) *isnan()* |
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4684 Return non-zero if {expr} is a float with value NaN. > |
|
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|
4685 echo isnan(0.0 / 0.0) |
|
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4686 < 1 ~ |
|
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|
4687 |
|
f16bfe02cef1
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|
4688 {only available when compiled with the |+float| feature} |
|
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|
4689 |
| 140 | 4690 items({dict}) *items()* |
| 685 | 4691 Return a |List| with all the key-value pairs of {dict}. Each |
| 4692 |List| item is a list with two items: the key of a {dict} | |
| 4693 entry and the value of this entry. The |List| is in arbitrary | |
| 4694 order. | |
| 140 | 4695 |
|
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|
4696 job_getchannel({job}) *job_getchannel()* |
|
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|
4697 Get the channel handle that {job} is using. |
|
8497
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|
4698 To check if the job has no channel: > |
|
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|
4699 if string(job_getchannel()) == 'channel fail' |
|
da01d5da2cfa
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|
4700 < |
|
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|
4701 {only available when compiled with the |+job| feature} |
|
abd64cf67bcf
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4702 |
|
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|
4703 job_info({job}) *job_info()* |
|
5104f96b6ecf
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4704 Returns a Dictionary with information about {job}: |
|
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4705 "status" what |job_status()| returns |
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4706 "channel" what |job_getchannel()| returns |
|
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|
4707 "exitval" only valid when "status" is "dead" |
|
8577
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4708 "exit_cb" function to be called on exit |
|
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4709 "stoponexit" |job-stoponexit| |
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4710 |
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4711 job_setoptions({job}, {options}) *job_setoptions()* |
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4712 Change options for {job}. Supported are: |
|
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4713 "stoponexit" |job-stoponexit| |
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4714 "exit_cb" |job-exit_cb| |
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4715 |
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4716 job_start({command} [, {options}]) *job_start()* |
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4717 Start a job and return a Job object. Unlike |system()| and |
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4718 |:!cmd| this does not wait for the job to finish. |
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4719 |
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4720 {command} can be a String. This works best on MS-Windows. On |
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4721 Unix it is split up in white-separated parts to be passed to |
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4722 execvp(). Arguments in double quotes can contain white space. |
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4723 |
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4724 {command} can be a List, where the first item is the executable |
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4725 and further items are the arguments. All items are converted |
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4726 to String. This works best on Unix. |
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4727 |
|
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4728 On MS-Windows, job_start() makes a GUI application hidden. If |
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4729 want to show it, Use |:!start| instead. |
|
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|
4730 |
|
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|
4731 The command is executed directly, not through a shell, the |
|
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|
4732 'shell' option is not used. To use the shell: > |
|
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|
4733 let job = job_start(["/bin/sh", "-c", "echo hello"]) |
|
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|
4734 < Or: > |
|
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|
4735 let job = job_start('/bin/sh -c "echo hello"') |
|
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diff
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|
4736 < Note that this will start two processes, the shell and the |
|
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diff
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|
4737 command it executes. If you don't want this use the "exec" |
|
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diff
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|
4738 shell command. |
|
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|
4739 |
|
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diff
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|
4740 On Unix $PATH is used to search for the executable only when |
|
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diff
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|
4741 the command does not contain a slash. |
|
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|
4742 |
|
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|
4743 The job will use the same terminal as Vim. If it reads from |
|
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|
4744 stdin the job and Vim will be fighting over input, that |
|
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diff
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|
4745 doesn't work. Redirect stdin and stdout to avoid problems: > |
|
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diff
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|
4746 let job = job_start(['sh', '-c', "myserver </dev/null >/dev/null"]) |
|
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diff
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|
4747 < |
|
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|
4748 The returned Job object can be used to get the status with |
|
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diff
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|
4749 |job_status()| and stop the job with |job_stop()|. |
|
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|
4750 |
|
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diff
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|
4751 {options} must be a Dictionary. It can contain many optional |
|
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|
4752 items, see |job-options|. |
|
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|
4753 |
|
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diff
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|
4754 {only available when compiled with the |+job| feature} |
|
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|
4755 |
|
8178
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commit https://github.com/vim/vim/commit/02e83b438ea7071fdb176dabbaefea319ab2d686
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diff
changeset
|
4756 job_status({job}) *job_status()* *E916* |
|
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|
4757 Returns a String with the status of {job}: |
|
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diff
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|
4758 "run" job is running |
|
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diff
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|
4759 "fail" job failed to start |
|
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diff
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|
4760 "dead" job died or was stopped after running |
|
8178
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|
4761 |
|
9221
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commit https://github.com/vim/vim/commit/511972d810ea490955161ff5097ec2f57919ceaf
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diff
changeset
|
4762 On Unix a non-existing command results in "dead" instead of |
|
17fa362f10be
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diff
changeset
|
4763 "fail", because a fork happens before the failure can be |
|
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|
4764 detected. |
|
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|
4765 |
|
8876
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commit https://github.com/vim/vim/commit/03413f44167c4b5cd0012def9bb331e2518c83cf
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diff
changeset
|
4766 If an exit callback was set with the "exit_cb" option and the |
|
8178
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diff
changeset
|
4767 job is now detected to be "dead" the callback will be invoked. |
|
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|
4768 |
|
8502
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commit https://github.com/vim/vim/commit/8950a563b306ce76f259573d91c2ddccdf52e32e
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changeset
|
4769 For more information see |job_info()|. |
|
ee5cb2e9ed5a
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|
4770 |
|
8031
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|
4771 {only available when compiled with the |+job| feature} |
|
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|
4772 |
|
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|
4773 job_stop({job} [, {how}]) *job_stop()* |
|
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|
4774 Stop the {job}. This can also be used to signal the job. |
|
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|
4775 |
|
8251
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|
4776 When {how} is omitted or is "term" the job will be terminated. |
|
989ac3aed1ef
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|
4777 For Unix SIGTERM is sent. On MS-Windows the job will be |
|
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changeset
|
4778 terminated forcedly (there is no "gentle" way). |
|
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changeset
|
4779 This goes to the process group, thus children may also be |
|
989ac3aed1ef
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changeset
|
4780 affected. |
|
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|
4781 |
|
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changeset
|
4782 Effect for Unix: |
|
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changeset
|
4783 "term" SIGTERM (default) |
|
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changeset
|
4784 "hup" SIGHUP |
|
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|
4785 "quit" SIGQUIT |
|
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commit https://github.com/vim/vim/commit/923d926d57d985ec8965da9d0cd3634e6b24bfe1
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changeset
|
4786 "int" SIGINT |
|
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changeset
|
4787 "kill" SIGKILL (strongest way to stop) |
|
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|
4788 number signal with that number |
|
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changeset
|
4789 |
|
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diff
changeset
|
4790 Effect for MS-Windows: |
|
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diff
changeset
|
4791 "term" terminate process forcedly (default) |
|
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diff
changeset
|
4792 "hup" CTRL_BREAK |
|
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changeset
|
4793 "quit" CTRL_BREAK |
|
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changeset
|
4794 "int" CTRL_C |
|
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changeset
|
4795 "kill" terminate process forcedly |
|
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changeset
|
4796 Others CTRL_BREAK |
|
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|
4797 |
|
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diff
changeset
|
4798 On Unix the signal is sent to the process group. This means |
|
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|
4799 that when the job is "sh -c command" it affects both the shell |
|
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changeset
|
4800 and the command. |
|
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|
4801 |
|
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changeset
|
4802 The result is a Number: 1 if the operation could be executed, |
|
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|
4803 0 if "how" is not supported on the system. |
|
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|
4804 Note that even when the operation was executed, whether the |
|
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changeset
|
4805 job was actually stopped needs to be checked with |
|
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diff
changeset
|
4806 job_status(). |
|
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changeset
|
4807 The status of the job isn't checked, the operation will even |
|
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diff
changeset
|
4808 be done when Vim thinks the job isn't running. |
|
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diff
changeset
|
4809 |
|
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changeset
|
4810 {only available when compiled with the |+job| feature} |
|
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diff
changeset
|
4811 |
| 95 | 4812 join({list} [, {sep}]) *join()* |
| 4813 Join the items in {list} together into one String. | |
| 4814 When {sep} is specified it is put in between the items. If | |
| 4815 {sep} is omitted a single space is used. | |
| 4816 Note that {sep} is not added at the end. You might want to | |
| 4817 add it there too: > | |
| 4818 let lines = join(mylist, "\n") . "\n" | |
| 692 | 4819 < String items are used as-is. |Lists| and |Dictionaries| are |
| 95 | 4820 converted into a string like with |string()|. |
| 4821 The opposite function is |split()|. | |
| 4822 | |
|
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7992
diff
changeset
|
4823 js_decode({string}) *js_decode()* |
|
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|
4824 This is similar to |json_decode()| with these differences: |
|
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|
4825 - Object key names do not have to be in quotes. |
|
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4826 - Empty items in an array (between two commas) are allowed and |
|
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4827 result in v:none items. |
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4828 |
|
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|
4829 js_encode({expr}) *js_encode()* |
|
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|
4830 This is similar to |json_encode()| with these differences: |
|
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4831 - Object key names are not in quotes. |
|
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4832 - v:none items in an array result in an empty item between |
|
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|
4833 commas. |
|
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|
4834 For example, the Vim object: |
|
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|
4835 [1,v:none,{"one":1},v:none] ~ |
|
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4836 Will be encoded as: |
|
45ea5ebf3a98
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|
4837 [1,,{one:1},,] ~ |
|
8019
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diff
changeset
|
4838 While json_encode() would produce: |
|
7967
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diff
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|
4839 [1,null,{"one":1},null] ~ |
|
45ea5ebf3a98
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|
4840 This encoding is valid for JavaScript. It is more efficient |
|
45ea5ebf3a98
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|
4841 than JSON, especially when using an array with optional items. |
|
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4842 |
|
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4843 |
|
8019
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diff
changeset
|
4844 json_decode({string}) *json_decode()* |
|
7742
5f6f35a3cb12
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|
4845 This parses a JSON formatted string and returns the equivalent |
|
8019
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diff
changeset
|
4846 in Vim values. See |json_encode()| for the relation between |
|
7742
5f6f35a3cb12
commit https://github.com/vim/vim/commit/705ada1aff27ecd9c47c690df817d043c2ceb5e2
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|
4847 JSON and Vim values. |
|
5f6f35a3cb12
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|
4848 The decoding is permissive: |
|
5f6f35a3cb12
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|
4849 - A trailing comma in an array and object is ignored. |
|
5f6f35a3cb12
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diff
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4850 - More floating point numbers are recognized, e.g. "1." for |
|
5f6f35a3cb12
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|
4851 "1.0". |
|
7782
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4852 The result must be a valid Vim type: |
|
3a99194bd187
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|
4853 - An empty object member name is not allowed. |
|
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|
4854 - Duplicate object member names are not allowed. |
|
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4855 |
|
8019
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diff
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|
4856 json_encode({expr}) *json_encode()* |
|
7742
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4857 Encode {expr} as JSON and return this as a string. |
|
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|
4858 The encoding is specified in: |
|
7782
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|
4859 https://tools.ietf.org/html/rfc7159.html |
|
7712
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diff
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|
4860 Vim values are converted as follows: |
|
bce3b5ddb393
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diff
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|
4861 Number decimal number |
|
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4862 Float floating point number |
|
8275
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|
4863 Float nan "NaN" |
|
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|
4864 Float inf "Infinity" |
|
7712
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|
4865 String in double quotes (possibly null) |
|
7742
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|
4866 Funcref not possible, error |
|
7712
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|
4867 List as an array (possibly null); when |
|
8883
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diff
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|
4868 used recursively: [] |
|
7712
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diff
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|
4869 Dict as an object (possibly null); when |
|
8883
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|
4870 used recursively: {} |
|
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diff
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|
4871 v:false "false" |
|
bce3b5ddb393
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|
4872 v:true "true" |
|
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|
4873 v:none "null" |
|
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|
4874 v:null "null" |
|
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diff
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|
4875 Note that NaN and Infinity are passed on as values. This is |
|
ff900e499f79
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diff
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|
4876 missing in the JSON standard, but several implementations do |
|
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|
4877 allow it. If not then you will get an error. |
|
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|
4878 |
| 99 | 4879 keys({dict}) *keys()* |
| 685 | 4880 Return a |List| with all the keys of {dict}. The |List| is in |
| 99 | 4881 arbitrary order. |
| 4882 | |
| 85 | 4883 *len()* *E701* |
| 55 | 4884 len({expr}) The result is a Number, which is the length of the argument. |
| 4885 When {expr} is a String or a Number the length in bytes is | |
| 4886 used, as with |strlen()|. | |
| 685 | 4887 When {expr} is a |List| the number of items in the |List| is |
| 55 | 4888 returned. |
| 685 | 4889 When {expr} is a |Dictionary| the number of entries in the |
| 4890 |Dictionary| is returned. | |
| 55 | 4891 Otherwise an error is given. |
| 4892 | |
| 7 | 4893 *libcall()* *E364* *E368* |
| 4894 libcall({libname}, {funcname}, {argument}) | |
| 4895 Call function {funcname} in the run-time library {libname} | |
| 4896 with single argument {argument}. | |
| 4897 This is useful to call functions in a library that you | |
| 4898 especially made to be used with Vim. Since only one argument | |
| 4899 is possible, calling standard library functions is rather | |
| 4900 limited. | |
| 4901 The result is the String returned by the function. If the | |
| 4902 function returns NULL, this will appear as an empty string "" | |
| 4903 to Vim. | |
| 4904 If the function returns a number, use libcallnr()! | |
| 4905 If {argument} is a number, it is passed to the function as an | |
| 4906 int; if {argument} is a string, it is passed as a | |
| 4907 null-terminated string. | |
| 4908 This function will fail in |restricted-mode|. | |
| 4909 | |
| 4910 libcall() allows you to write your own 'plug-in' extensions to | |
| 4911 Vim without having to recompile the program. It is NOT a | |
| 4912 means to call system functions! If you try to do so Vim will | |
| 4913 very probably crash. | |
| 4914 | |
| 4915 For Win32, the functions you write must be placed in a DLL | |
| 4916 and use the normal C calling convention (NOT Pascal which is | |
| 4917 used in Windows System DLLs). The function must take exactly | |
| 4918 one parameter, either a character pointer or a long integer, | |
| 4919 and must return a character pointer or NULL. The character | |
| 4920 pointer returned must point to memory that will remain valid | |
| 4921 after the function has returned (e.g. in static data in the | |
| 4922 DLL). If it points to allocated memory, that memory will | |
| 4923 leak away. Using a static buffer in the function should work, | |
| 4924 it's then freed when the DLL is unloaded. | |
| 4925 | |
| 4926 WARNING: If the function returns a non-valid pointer, Vim may | |
| 1621 | 4927 crash! This also happens if the function returns a number, |
| 7 | 4928 because Vim thinks it's a pointer. |
| 4929 For Win32 systems, {libname} should be the filename of the DLL | |
| 4930 without the ".DLL" suffix. A full path is only required if | |
| 4931 the DLL is not in the usual places. | |
| 4932 For Unix: When compiling your own plugins, remember that the | |
| 4933 object code must be compiled as position-independent ('PIC'). | |
|
2033
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parents:
1998
diff
changeset
|
4934 {only in Win32 and some Unix versions, when the |+libcall| |
| 7 | 4935 feature is present} |
| 4936 Examples: > | |
| 4937 :echo libcall("libc.so", "getenv", "HOME") | |
| 4938 < | |
| 4939 *libcallnr()* | |
| 4940 libcallnr({libname}, {funcname}, {argument}) | |
|
2033
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parents:
1998
diff
changeset
|
4941 Just like |libcall()|, but used for a function that returns an |
| 7 | 4942 int instead of a string. |
| 4943 {only in Win32 on some Unix versions, when the |+libcall| | |
| 4944 feature is present} | |
| 1621 | 4945 Examples: > |
| 4946 :echo libcallnr("/usr/lib/libc.so", "getpid", "") | |
| 7 | 4947 :call libcallnr("libc.so", "printf", "Hello World!\n") |
| 4948 :call libcallnr("libc.so", "sleep", 10) | |
| 4949 < | |
| 4950 *line()* | |
| 4951 line({expr}) The result is a Number, which is the line number of the file | |
| 4952 position given with {expr}. The accepted positions are: | |
| 4953 . the cursor position | |
| 4954 $ the last line in the current buffer | |
| 4955 'x position of mark x (if the mark is not set, 0 is | |
| 4956 returned) | |
| 665 | 4957 w0 first line visible in current window |
| 4958 w$ last line visible in current window | |
| 1609 | 4959 v In Visual mode: the start of the Visual area (the |
| 4960 cursor is the end). When not in Visual mode | |
| 4961 returns the cursor position. Differs from |'<| in | |
| 4962 that it's updated right away. | |
| 1156 | 4963 Note that a mark in another file can be used. The line number |
| 4964 then applies to another buffer. | |
| 703 | 4965 To get the column number use |col()|. To get both use |
| 4966 |getpos()|. | |
| 7 | 4967 Examples: > |
| 4968 line(".") line number of the cursor | |
| 4969 line("'t") line number of mark t | |
| 4970 line("'" . marker) line number of mark marker | |
| 4971 < *last-position-jump* | |
| 4972 This autocommand jumps to the last known position in a file | |
| 4973 just after opening it, if the '" mark is set: > | |
|
2033
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parents:
1998
diff
changeset
|
4974 :au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g`\"" | endif |
| 9 | 4975 |
| 7 | 4976 line2byte({lnum}) *line2byte()* |
| 4977 Return the byte count from the start of the buffer for line | |
| 4978 {lnum}. This includes the end-of-line character, depending on | |
| 4979 the 'fileformat' option for the current buffer. The first | |
| 3237 | 4980 line returns 1. 'encoding' matters, 'fileencoding' is ignored. |
| 7 | 4981 This can also be used to get the byte count for the line just |
| 4982 below the last line: > | |
| 4983 line2byte(line("$") + 1) | |
| 3237 | 4984 < This is the buffer size plus one. If 'fileencoding' is empty |
| 4985 it is the file size plus one. | |
| 7 | 4986 When {lnum} is invalid, or the |+byte_offset| feature has been |
| 4987 disabled at compile time, -1 is returned. | |
| 4988 Also see |byte2line()|, |go| and |:goto|. | |
| 4989 | |
| 4990 lispindent({lnum}) *lispindent()* | |
| 4991 Get the amount of indent for line {lnum} according the lisp | |
| 4992 indenting rules, as with 'lisp'. | |
| 4993 The indent is counted in spaces, the value of 'tabstop' is | |
| 4994 relevant. {lnum} is used just like in |getline()|. | |
| 4995 When {lnum} is invalid or Vim was not compiled the | |
| 4996 |+lispindent| feature, -1 is returned. | |
| 4997 | |
| 4998 localtime() *localtime()* | |
| 4999 Return the current time, measured as seconds since 1st Jan | |
| 5000 1970. See also |strftime()| and |getftime()|. | |
| 5001 | |
| 95 | 5002 |
|
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5003 log({expr}) *log()* |
|
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|
5004 Return the natural logarithm (base e) of {expr} as a |Float|. |
|
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|
5005 {expr} must evaluate to a |Float| or a |Number| in the range |
|
2206
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5006 (0, inf]. |
|
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5007 Examples: > |
|
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Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
5008 :echo log(10) |
|
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
5009 < 2.302585 > |
|
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
5010 :echo log(exp(5)) |
|
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
5011 < 5.0 |
|
2570
71b56b4e7785
Make the references to features in the help more consistent. (Sylvain Hitier)
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2569
diff
changeset
|
5012 {only available when compiled with the |+float| feature} |
|
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Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
5013 |
|
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
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|
5014 |
| 1621 | 5015 log10({expr}) *log10()* |
| 5016 Return the logarithm of Float {expr} to base 10 as a |Float|. | |
| 5017 {expr} must evaluate to a |Float| or a |Number|. | |
| 5018 Examples: > | |
| 5019 :echo log10(1000) | |
| 5020 < 3.0 > | |
| 5021 :echo log10(0.01) | |
| 5022 < -2.0 | |
| 5023 {only available when compiled with the |+float| feature} | |
| 5024 | |
| 3492 | 5025 luaeval({expr}[, {expr}]) *luaeval()* |
| 5026 Evaluate Lua expression {expr} and return its result converted | |
| 5027 to Vim data structures. Second {expr} may hold additional | |
| 5028 argument accessible as _A inside first {expr}. | |
| 5029 Strings are returned as they are. | |
| 5030 Boolean objects are converted to numbers. | |
| 5031 Numbers are converted to |Float| values if vim was compiled | |
| 5032 with |+float| and to numbers otherwise. | |
| 5033 Dictionaries and lists obtained by vim.eval() are returned | |
| 5034 as-is. | |
| 5035 Other objects are returned as zero without any errors. | |
| 5036 See |lua-luaeval| for more details. | |
| 5037 {only available when compiled with the |+lua| feature} | |
| 5038 | |
| 102 | 5039 map({expr}, {string}) *map()* |
| 685 | 5040 {expr} must be a |List| or a |Dictionary|. |
| 102 | 5041 Replace each item in {expr} with the result of evaluating |
| 5042 {string}. | |
| 5043 Inside {string} |v:val| has the value of the current item. | |
| 1998 | 5044 For a |Dictionary| |v:key| has the key of the current item |
| 5045 and for a |List| |v:key| has the index of the current item. | |
| 102 | 5046 Example: > |
| 5047 :call map(mylist, '"> " . v:val . " <"') | |
| 95 | 5048 < This puts "> " before and " <" after each item in "mylist". |
| 102 | 5049 |
| 158 | 5050 Note that {string} is the result of an expression and is then |
| 102 | 5051 used as an expression again. Often it is good to use a |
| 158 | 5052 |literal-string| to avoid having to double backslashes. You |
| 5053 still have to double ' quotes | |
| 102 | 5054 |
| 685 | 5055 The operation is done in-place. If you want a |List| or |
| 5056 |Dictionary| to remain unmodified make a copy first: > | |
| 3682 | 5057 :let tlist = map(copy(mylist), ' v:val . "\t"') |
| 102 | 5058 |
| 685 | 5059 < Returns {expr}, the |List| or |Dictionary| that was filtered. |
| 648 | 5060 When an error is encountered while evaluating {string} no |
| 5061 further items in {expr} are processed. | |
| 95 | 5062 |
| 5063 | |
| 2610 | 5064 maparg({name}[, {mode} [, {abbr} [, {dict}]]]) *maparg()* |
| 5065 When {dict} is omitted or zero: Return the rhs of mapping | |
| 5066 {name} in mode {mode}. The returned String has special | |
| 5067 characters translated like in the output of the ":map" command | |
| 5068 listing. | |
| 5069 | |
| 5070 When there is no mapping for {name}, an empty String is | |
| 5071 returned. | |
| 5072 | |
| 5073 The {name} can have special key names, like in the ":map" | |
| 5074 command. | |
| 5075 | |
| 644 | 5076 {mode} can be one of these strings: |
| 7 | 5077 "n" Normal |
| 2610 | 5078 "v" Visual (including Select) |
| 7 | 5079 "o" Operator-pending |
| 5080 "i" Insert | |
| 5081 "c" Cmd-line | |
| 2610 | 5082 "s" Select |
| 5083 "x" Visual | |
| 7 | 5084 "l" langmap |language-mapping| |
| 5085 "" Normal, Visual and Operator-pending | |
| 644 | 5086 When {mode} is omitted, the modes for "" are used. |
| 2610 | 5087 |
| 782 | 5088 When {abbr} is there and it is non-zero use abbreviations |
| 5089 instead of mappings. | |
| 2610 | 5090 |
| 5091 When {dict} is there and it is non-zero return a dictionary | |
| 5092 containing all the information of the mapping with the | |
| 5093 following items: | |
| 5094 "lhs" The {lhs} of the mapping. | |
| 5095 "rhs" The {rhs} of the mapping as typed. | |
| 5096 "silent" 1 for a |:map-silent| mapping, else 0. | |
| 2625 | 5097 "noremap" 1 if the {rhs} of the mapping is not remappable. |
| 2610 | 5098 "expr" 1 for an expression mapping (|:map-<expr>|). |
| 5099 "buffer" 1 for a buffer local mapping (|:map-local|). | |
| 5100 "mode" Modes for which the mapping is defined. In | |
| 5101 addition to the modes mentioned above, these | |
| 5102 characters will be used: | |
| 5103 " " Normal, Visual and Operator-pending | |
| 5104 "!" Insert and Commandline mode | |
| 2642 | 5105 (|mapmode-ic|) |
| 2625 | 5106 "sid" The script local ID, used for <sid> mappings |
| 5107 (|<SID>|). | |
| 5555 | 5108 "nowait" Do not wait for other, longer mappings. |
| 5109 (|:map-<nowait>|). | |
| 2610 | 5110 |
| 7 | 5111 The mappings local to the current buffer are checked first, |
| 5112 then the global mappings. | |
| 626 | 5113 This function can be used to map a key even when it's already |
| 5114 mapped, and have it do the original mapping too. Sketch: > | |
| 5115 exe 'nnoremap <Tab> ==' . maparg('<Tab>', 'n') | |
| 5116 | |
| 7 | 5117 |
| 782 | 5118 mapcheck({name}[, {mode} [, {abbr}]]) *mapcheck()* |
| 7 | 5119 Check if there is a mapping that matches with {name} in mode |
| 5120 {mode}. See |maparg()| for {mode} and special names in | |
| 5121 {name}. | |
| 782 | 5122 When {abbr} is there and it is non-zero use abbreviations |
| 5123 instead of mappings. | |
| 7 | 5124 A match happens with a mapping that starts with {name} and |
| 5125 with a mapping which is equal to the start of {name}. | |
| 5126 | |
| 1621 | 5127 matches mapping "a" "ab" "abc" ~ |
| 7 | 5128 mapcheck("a") yes yes yes |
| 5129 mapcheck("abc") yes yes yes | |
| 5130 mapcheck("ax") yes no no | |
| 5131 mapcheck("b") no no no | |
| 5132 | |
| 5133 The difference with maparg() is that mapcheck() finds a | |
| 5134 mapping that matches with {name}, while maparg() only finds a | |
| 5135 mapping for {name} exactly. | |
| 5136 When there is no mapping that starts with {name}, an empty | |
| 5137 String is returned. If there is one, the rhs of that mapping | |
| 5138 is returned. If there are several mappings that start with | |
| 5139 {name}, the rhs of one of them is returned. | |
| 5140 The mappings local to the current buffer are checked first, | |
| 5141 then the global mappings. | |
| 5142 This function can be used to check if a mapping can be added | |
| 5143 without being ambiguous. Example: > | |
| 5144 :if mapcheck("_vv") == "" | |
| 5145 : map _vv :set guifont=7x13<CR> | |
| 5146 :endif | |
| 5147 < This avoids adding the "_vv" mapping when there already is a | |
| 5148 mapping for "_v" or for "_vvv". | |
| 5149 | |
| 19 | 5150 match({expr}, {pat}[, {start}[, {count}]]) *match()* |
| 685 | 5151 When {expr} is a |List| then this returns the index of the |
| 5152 first item where {pat} matches. Each item is used as a | |
| 692 | 5153 String, |Lists| and |Dictionaries| are used as echoed. |
| 1621 | 5154 Otherwise, {expr} is used as a String. The result is a |
| 95 | 5155 Number, which gives the index (byte offset) in {expr} where |
| 5156 {pat} matches. | |
| 685 | 5157 A match at the first character or |List| item returns zero. |
| 19 | 5158 If there is no match -1 is returned. |
| 2833 | 5159 For getting submatches see |matchlist()|. |
| 19 | 5160 Example: > |
| 95 | 5161 :echo match("testing", "ing") " results in 4 |
| 714 | 5162 :echo match([1, 'x'], '\a') " results in 1 |
| 95 | 5163 < See |string-match| for how {pat} is used. |
| 170 | 5164 *strpbrk()* |
| 1621 | 5165 Vim doesn't have a strpbrk() function. But you can do: > |
| 170 | 5166 :let sepidx = match(line, '[.,;: \t]') |
| 5167 < *strcasestr()* | |
| 5168 Vim doesn't have a strcasestr() function. But you can add | |
| 5169 "\c" to the pattern to ignore case: > | |
| 5170 :let idx = match(haystack, '\cneedle') | |
| 5171 < | |
| 95 | 5172 If {start} is given, the search starts from byte index |
| 685 | 5173 {start} in a String or item {start} in a |List|. |
| 7 | 5174 The result, however, is still the index counted from the |
| 236 | 5175 first character/item. Example: > |
| 7 | 5176 :echo match("testing", "ing", 2) |
| 5177 < result is again "4". > | |
| 5178 :echo match("testing", "ing", 4) | |
| 5179 < result is again "4". > | |
| 5180 :echo match("testing", "t", 2) | |
| 5181 < result is "3". | |
| 694 | 5182 For a String, if {start} > 0 then it is like the string starts |
| 703 | 5183 {start} bytes later, thus "^" will match at {start}. Except |
| 5184 when {count} is given, then it's like matches before the | |
| 5185 {start} byte are ignored (this is a bit complicated to keep it | |
| 5186 backwards compatible). | |
| 95 | 5187 For a String, if {start} < 0, it will be set to 0. For a list |
| 5188 the index is counted from the end. | |
| 697 | 5189 If {start} is out of range ({start} > strlen({expr}) for a |
| 5190 String or {start} > len({expr}) for a |List|) -1 is returned. | |
| 95 | 5191 |
| 694 | 5192 When {count} is given use the {count}'th match. When a match |
| 697 | 5193 is found in a String the search for the next one starts one |
| 694 | 5194 character further. Thus this example results in 1: > |
| 5195 echo match("testing", "..", 0, 2) | |
| 5196 < In a |List| the search continues in the next item. | |
| 703 | 5197 Note that when {count} is added the way {start} works changes, |
| 5198 see above. | |
| 694 | 5199 |
| 7 | 5200 See |pattern| for the patterns that are accepted. |
| 5201 The 'ignorecase' option is used to set the ignore-caseness of | |
| 1621 | 5202 the pattern. 'smartcase' is NOT used. The matching is always |
| 7 | 5203 done like 'magic' is set and 'cpoptions' is empty. |
| 5204 | |
| 1326 | 5205 *matchadd()* *E798* *E799* *E801* |
|
8031
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Christian Brabandt <cb@256bit.org>
parents:
8019
diff
changeset
|
5206 matchadd({group}, {pattern}[, {priority}[, {id}[, {dict}]]]) |
| 1326 | 5207 Defines a pattern to be highlighted in the current window (a |
| 5208 "match"). It will be highlighted with {group}. Returns an | |
| 5209 identification number (ID), which can be used to delete the | |
| 5210 match using |matchdelete()|. | |
| 5466 | 5211 Matching is case sensitive and magic, unless case sensitivity |
| 5212 or magicness are explicitly overridden in {pattern}. The | |
| 5213 'magic', 'smartcase' and 'ignorecase' options are not used. | |
|
6951
b2673982c625
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parents:
6947
diff
changeset
|
5214 The "Conceal" value is special, it causes the match to be |
|
b2673982c625
Updated and new runtime files.
Bram Moolenaar <bram@vim.org>
parents:
6947
diff
changeset
|
5215 concealed. |
| 1326 | 5216 |
| 5217 The optional {priority} argument assigns a priority to the | |
| 1621 | 5218 match. A match with a high priority will have its |
| 1326 | 5219 highlighting overrule that of a match with a lower priority. |
| 5220 A priority is specified as an integer (negative numbers are no | |
| 5221 exception). If the {priority} argument is not specified, the | |
| 5222 default priority is 10. The priority of 'hlsearch' is zero, | |
| 5223 hence all matches with a priority greater than zero will | |
| 5224 overrule it. Syntax highlighting (see 'syntax') is a separate | |
| 5225 mechanism, and regardless of the chosen priority a match will | |
| 5226 always overrule syntax highlighting. | |
| 5227 | |
| 5228 The optional {id} argument allows the request for a specific | |
| 5229 match ID. If a specified ID is already taken, an error | |
| 5230 message will appear and the match will not be added. An ID | |
| 5231 is specified as a positive integer (zero excluded). IDs 1, 2 | |
| 5232 and 3 are reserved for |:match|, |:2match| and |:3match|, | |
| 6947 | 5233 respectively. If the {id} argument is not specified or -1, |
| 1326 | 5234 |matchadd()| automatically chooses a free ID. |
| 5235 | |
|
7659
07f11de5efca
commit https://github.com/vim/vim/commit/85084ef1e999dcf50e8d466106a33bac24a0febb
Christian Brabandt <cb@256bit.org>
parents:
7653
diff
changeset
|
5236 The optional {dict} argument allows for further custom |
|
07f11de5efca
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Christian Brabandt <cb@256bit.org>
parents:
7653
diff
changeset
|
5237 values. Currently this is used to specify a match specific |
| 6947 | 5238 conceal character that will be shown for |hl-Conceal| |
| 5239 highlighted matches. The dict can have the following members: | |
| 5240 | |
| 5241 conceal Special character to show instead of the | |
|
8031
ece323e2b57f
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Christian Brabandt <cb@256bit.org>
parents:
8019
diff
changeset
|
5242 match (only for |hl-Conceal| highlighted |
| 6947 | 5243 matches, see |:syn-cchar|) |
| 5244 | |
| 1326 | 5245 The number of matches is not limited, as it is the case with |
| 5246 the |:match| commands. | |
| 5247 | |
| 5248 Example: > | |
| 5249 :highlight MyGroup ctermbg=green guibg=green | |
| 5250 :let m = matchadd("MyGroup", "TODO") | |
| 5251 < Deletion of the pattern: > | |
| 5252 :call matchdelete(m) | |
| 5253 | |
| 5254 < A list of matches defined by |matchadd()| and |:match| are | |
| 1621 | 5255 available from |getmatches()|. All matches can be deleted in |
| 1326 | 5256 one operation by |clearmatches()|. |
| 819 | 5257 |
| 6947 | 5258 matchaddpos({group}, {pos}[, {priority}[, {id}[, {dict}]]]) *matchaddpos()* |
| 5979 | 5259 Same as |matchadd()|, but requires a list of positions {pos} |
| 5260 instead of a pattern. This command is faster than |matchadd()| | |
| 5261 because it does not require to handle regular expressions and | |
| 5262 sets buffer line boundaries to redraw screen. It is supposed | |
| 5263 to be used when fast match additions and deletions are | |
| 5264 required, for example to highlight matching parentheses. | |
| 5265 | |
| 5266 The list {pos} can contain one of these items: | |
| 6007 | 5267 - A number. This whole line will be highlighted. The first |
| 5979 | 5268 line has number 1. |
| 5269 - A list with one number, e.g., [23]. The whole line with this | |
| 5270 number will be highlighted. | |
| 5271 - A list with two numbers, e.g., [23, 11]. The first number is | |
| 6007 | 5272 the line number, the second one is the column number (first |
| 5273 column is 1, the value must correspond to the byte index as | |
| 5274 |col()| would return). The character at this position will | |
| 5275 be highlighted. | |
| 5979 | 5276 - A list with three numbers, e.g., [23, 11, 3]. As above, but |
| 6007 | 5277 the third number gives the length of the highlight in bytes. |
| 5979 | 5278 |
| 5279 The maximum number of positions is 8. | |
| 5280 | |
| 5281 Example: > | |
| 5282 :highlight MyGroup ctermbg=green guibg=green | |
| 5283 :let m = matchaddpos("MyGroup", [[23, 24], 34]) | |
| 5284 < Deletion of the pattern: > | |
| 5285 :call matchdelete(m) | |
| 5286 | |
| 5287 < Matches added by |matchaddpos()| are returned by | |
| 5288 |getmatches()| with an entry "pos1", "pos2", etc., with the | |
| 5289 value a list like the {pos} item. | |
| 5290 These matches cannot be set via |setmatches()|, however they | |
| 5291 can still be deleted by |clearmatches()|. | |
| 5292 | |
| 819 | 5293 matcharg({nr}) *matcharg()* |
| 856 | 5294 Selects the {nr} match item, as set with a |:match|, |
| 819 | 5295 |:2match| or |:3match| command. |
| 5296 Return a |List| with two elements: | |
| 5297 The name of the highlight group used | |
| 5298 The pattern used. | |
| 5299 When {nr} is not 1, 2 or 3 returns an empty |List|. | |
| 5300 When there is no match item set returns ['', '']. | |
| 1326 | 5301 This is useful to save and restore a |:match|. |
| 5302 Highlighting matches using the |:match| commands are limited | |
| 5303 to three matches. |matchadd()| does not have this limitation. | |
| 5304 | |
| 5305 matchdelete({id}) *matchdelete()* *E802* *E803* | |
| 5306 Deletes a match with ID {id} previously defined by |matchadd()| | |
| 1621 | 5307 or one of the |:match| commands. Returns 0 if successful, |
| 1326 | 5308 otherwise -1. See example for |matchadd()|. All matches can |
| 5309 be deleted in one operation by |clearmatches()|. | |
| 819 | 5310 |
| 19 | 5311 matchend({expr}, {pat}[, {start}[, {count}]]) *matchend()* |
|
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Bram Moolenaar <bram@zimbu.org>
parents:
1998
diff
changeset
|
5312 Same as |match()|, but return the index of first character |
|
de5a43c5eedc
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Bram Moolenaar <bram@zimbu.org>
parents:
1998
diff
changeset
|
5313 after the match. Example: > |
| 7 | 5314 :echo matchend("testing", "ing") |
| 5315 < results in "7". | |
| 170 | 5316 *strspn()* *strcspn()* |
| 5317 Vim doesn't have a strspn() or strcspn() function, but you can | |
| 5318 do it with matchend(): > | |
| 5319 :let span = matchend(line, '[a-zA-Z]') | |
| 5320 :let span = matchend(line, '[^a-zA-Z]') | |
| 5321 < Except that -1 is returned when there are no matches. | |
| 5322 | |
|
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diff
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|
5323 The {start}, if given, has the same meaning as for |match()|. > |
| 7 | 5324 :echo matchend("testing", "ing", 2) |
| 5325 < results in "7". > | |
| 5326 :echo matchend("testing", "ing", 5) | |
| 5327 < result is "-1". | |
|
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|
5328 When {expr} is a |List| the result is equal to |match()|. |
| 7 | 5329 |
| 158 | 5330 matchlist({expr}, {pat}[, {start}[, {count}]]) *matchlist()* |
|
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|
5331 Same as |match()|, but return a |List|. The first item in the |
| 158 | 5332 list is the matched string, same as what matchstr() would |
| 5333 return. Following items are submatches, like "\1", "\2", etc. | |
| 842 | 5334 in |:substitute|. When an optional submatch didn't match an |
| 5335 empty string is used. Example: > | |
| 5336 echo matchlist('acd', '\(a\)\?\(b\)\?\(c\)\?\(.*\)') | |
| 5337 < Results in: ['acd', 'a', '', 'c', 'd', '', '', '', '', ''] | |
| 158 | 5338 When there is no match an empty list is returned. |
| 5339 | |
| 19 | 5340 matchstr({expr}, {pat}[, {start}[, {count}]]) *matchstr()* |
| 1621 | 5341 Same as |match()|, but return the matched string. Example: > |
| 7 | 5342 :echo matchstr("testing", "ing") |
| 5343 < results in "ing". | |
| 5344 When there is no match "" is returned. | |
|
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1998
diff
changeset
|
5345 The {start}, if given, has the same meaning as for |match()|. > |
| 7 | 5346 :echo matchstr("testing", "ing", 2) |
| 5347 < results in "ing". > | |
| 5348 :echo matchstr("testing", "ing", 5) | |
| 5349 < result is "". | |
| 685 | 5350 When {expr} is a |List| then the matching item is returned. |
| 95 | 5351 The type isn't changed, it's not necessarily a String. |
| 7 | 5352 |
|
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|
5353 matchstrpos({expr}, {pat}[, {start}[, {count}]]) *matchstrpos()* |
|
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diff
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|
5354 Same as |matchstr()|, but return the matched string, the start |
|
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|
5355 position and the end position of the match. Example: > |
|
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|
5356 :echo matchstrpos("testing", "ing") |
|
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|
5357 < results in ["ing", 4, 7]. |
|
dda254280bab
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8749
diff
changeset
|
5358 When there is no match ["", -1, -1] is returned. |
|
dda254280bab
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diff
changeset
|
5359 The {start}, if given, has the same meaning as for |match()|. > |
|
dda254280bab
commit https://github.com/vim/vim/commit/7fed5c18f8577b75404b80d8b9a9907b1bbd27e4
Christian Brabandt <cb@256bit.org>
parents:
8749
diff
changeset
|
5360 :echo matchstrpos("testing", "ing", 2) |
|
dda254280bab
commit https://github.com/vim/vim/commit/7fed5c18f8577b75404b80d8b9a9907b1bbd27e4
Christian Brabandt <cb@256bit.org>
parents:
8749
diff
changeset
|
5361 < results in ["ing", 4, 7]. > |
|
dda254280bab
commit https://github.com/vim/vim/commit/7fed5c18f8577b75404b80d8b9a9907b1bbd27e4
Christian Brabandt <cb@256bit.org>
parents:
8749
diff
changeset
|
5362 :echo matchstrpos("testing", "ing", 5) |
|
dda254280bab
commit https://github.com/vim/vim/commit/7fed5c18f8577b75404b80d8b9a9907b1bbd27e4
Christian Brabandt <cb@256bit.org>
parents:
8749
diff
changeset
|
5363 < result is ["", -1, -1]. |
|
dda254280bab
commit https://github.com/vim/vim/commit/7fed5c18f8577b75404b80d8b9a9907b1bbd27e4
Christian Brabandt <cb@256bit.org>
parents:
8749
diff
changeset
|
5364 When {expr} is a |List| then the matching item, the index |
|
dda254280bab
commit https://github.com/vim/vim/commit/7fed5c18f8577b75404b80d8b9a9907b1bbd27e4
Christian Brabandt <cb@256bit.org>
parents:
8749
diff
changeset
|
5365 of first item where {pat} matches, the start position and the |
|
dda254280bab
commit https://github.com/vim/vim/commit/7fed5c18f8577b75404b80d8b9a9907b1bbd27e4
Christian Brabandt <cb@256bit.org>
parents:
8749
diff
changeset
|
5366 end position of the match are returned. > |
|
dda254280bab
commit https://github.com/vim/vim/commit/7fed5c18f8577b75404b80d8b9a9907b1bbd27e4
Christian Brabandt <cb@256bit.org>
parents:
8749
diff
changeset
|
5367 :echo matchstrpos([1, '__x'], '\a') |
|
dda254280bab
commit https://github.com/vim/vim/commit/7fed5c18f8577b75404b80d8b9a9907b1bbd27e4
Christian Brabandt <cb@256bit.org>
parents:
8749
diff
changeset
|
5368 < result is ["x", 1, 2, 3]. |
|
dda254280bab
commit https://github.com/vim/vim/commit/7fed5c18f8577b75404b80d8b9a9907b1bbd27e4
Christian Brabandt <cb@256bit.org>
parents:
8749
diff
changeset
|
5369 The type isn't changed, it's not necessarily a String. |
|
dda254280bab
commit https://github.com/vim/vim/commit/7fed5c18f8577b75404b80d8b9a9907b1bbd27e4
Christian Brabandt <cb@256bit.org>
parents:
8749
diff
changeset
|
5370 |
| 87 | 5371 *max()* |
| 5372 max({list}) Return the maximum value of all items in {list}. | |
| 5373 If {list} is not a list or one of the items in {list} cannot | |
| 5374 be used as a Number this results in an error. | |
| 685 | 5375 An empty |List| results in zero. |
| 87 | 5376 |
| 5377 *min()* | |
| 1215 | 5378 min({list}) Return the minimum value of all items in {list}. |
| 87 | 5379 If {list} is not a list or one of the items in {list} cannot |
| 5380 be used as a Number this results in an error. | |
| 685 | 5381 An empty |List| results in zero. |
| 87 | 5382 |
| 843 | 5383 *mkdir()* *E739* |
| 168 | 5384 mkdir({name} [, {path} [, {prot}]]) |
| 5385 Create directory {name}. | |
| 5386 If {path} is "p" then intermediate directories are created as | |
| 5387 necessary. Otherwise it must be "". | |
| 5388 If {prot} is given it is used to set the protection bits of | |
| 5389 the new directory. The default is 0755 (rwxr-xr-x: r/w for | |
| 1621 | 5390 the user readable for others). Use 0700 to make it unreadable |
| 1702 | 5391 for others. This is only used for the last part of {name}. |
| 5392 Thus if you create /tmp/foo/bar then /tmp/foo will be created | |
| 5393 with 0755. | |
| 5394 Example: > | |
| 5395 :call mkdir($HOME . "/tmp/foo/bar", "p", 0700) | |
| 5396 < This function is not available in the |sandbox|. | |
| 168 | 5397 Not available on all systems. To check use: > |
| 5398 :if exists("*mkdir") | |
| 5399 < | |
| 7 | 5400 *mode()* |
| 1621 | 5401 mode([expr]) Return a string that indicates the current mode. |
| 1661 | 5402 If [expr] is supplied and it evaluates to a non-zero Number or |
| 5403 a non-empty String (|non-zero-arg|), then the full mode is | |
| 5404 returned, otherwise only the first letter is returned. Note | |
| 5405 that " " and "0" are also non-empty strings. | |
| 1621 | 5406 |
| 7 | 5407 n Normal |
| 1621 | 5408 no Operator-pending |
| 7 | 5409 v Visual by character |
| 5410 V Visual by line | |
| 5411 CTRL-V Visual blockwise | |
| 5412 s Select by character | |
| 5413 S Select by line | |
| 5414 CTRL-S Select blockwise | |
| 5415 i Insert | |
| 1621 | 5416 R Replace |R| |
| 5417 Rv Virtual Replace |gR| | |
| 7 | 5418 c Command-line |
| 1621 | 5419 cv Vim Ex mode |gQ| |
| 5420 ce Normal Ex mode |Q| | |
| 7 | 5421 r Hit-enter prompt |
| 1621 | 5422 rm The -- more -- prompt |
| 5423 r? A |:confirm| query of some sort | |
| 5424 ! Shell or external command is executing | |
| 5425 This is useful in the 'statusline' option or when used | |
| 5426 with |remote_expr()| In most other places it always returns | |
| 5427 "c" or "n". | |
| 5428 Also see |visualmode()|. | |
| 7 | 5429 |
|
2050
afcf9db31561
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Bram Moolenaar <bram@zimbu.org>
parents:
2033
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changeset
|
5430 mzeval({expr}) *mzeval()* |
|
afcf9db31561
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Bram Moolenaar <bram@zimbu.org>
parents:
2033
diff
changeset
|
5431 Evaluate MzScheme expression {expr} and return its result |
| 3492 | 5432 converted to Vim data structures. |
|
2050
afcf9db31561
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Bram Moolenaar <bram@zimbu.org>
parents:
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diff
changeset
|
5433 Numbers and strings are returned as they are. |
|
afcf9db31561
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Bram Moolenaar <bram@zimbu.org>
parents:
2033
diff
changeset
|
5434 Pairs (including lists and improper lists) and vectors are |
|
afcf9db31561
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Bram Moolenaar <bram@zimbu.org>
parents:
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diff
changeset
|
5435 returned as Vim |Lists|. |
|
afcf9db31561
updated for version 7.2.336
Bram Moolenaar <bram@zimbu.org>
parents:
2033
diff
changeset
|
5436 Hash tables are represented as Vim |Dictionary| type with keys |
|
afcf9db31561
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Bram Moolenaar <bram@zimbu.org>
parents:
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diff
changeset
|
5437 converted to strings. |
|
afcf9db31561
updated for version 7.2.336
Bram Moolenaar <bram@zimbu.org>
parents:
2033
diff
changeset
|
5438 All other types are converted to string with display function. |
|
afcf9db31561
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Bram Moolenaar <bram@zimbu.org>
parents:
2033
diff
changeset
|
5439 Examples: > |
|
afcf9db31561
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Bram Moolenaar <bram@zimbu.org>
parents:
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diff
changeset
|
5440 :mz (define l (list 1 2 3)) |
|
afcf9db31561
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Bram Moolenaar <bram@zimbu.org>
parents:
2033
diff
changeset
|
5441 :mz (define h (make-hash)) (hash-set! h "list" l) |
|
afcf9db31561
updated for version 7.2.336
Bram Moolenaar <bram@zimbu.org>
parents:
2033
diff
changeset
|
5442 :echo mzeval("l") |
|
afcf9db31561
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Bram Moolenaar <bram@zimbu.org>
parents:
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diff
changeset
|
5443 :echo mzeval("h") |
|
afcf9db31561
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Bram Moolenaar <bram@zimbu.org>
parents:
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diff
changeset
|
5444 < |
|
afcf9db31561
updated for version 7.2.336
Bram Moolenaar <bram@zimbu.org>
parents:
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diff
changeset
|
5445 {only available when compiled with the |+mzscheme| feature} |
|
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Bram Moolenaar <bram@zimbu.org>
parents:
2033
diff
changeset
|
5446 |
| 7 | 5447 nextnonblank({lnum}) *nextnonblank()* |
| 5448 Return the line number of the first line at or below {lnum} | |
| 5449 that is not blank. Example: > | |
| 5450 if getline(nextnonblank(1)) =~ "Java" | |
| 5451 < When {lnum} is invalid or there is no non-blank line at or | |
| 5452 below it, zero is returned. | |
| 5453 See also |prevnonblank()|. | |
| 5454 | |
| 4051 | 5455 nr2char({expr}[, {utf8}]) *nr2char()* |
| 7 | 5456 Return a string with a single character, which has the number |
| 5457 value {expr}. Examples: > | |
| 5458 nr2char(64) returns "@" | |
| 5459 nr2char(32) returns " " | |
| 4051 | 5460 < When {utf8} is omitted or zero, the current 'encoding' is used. |
| 5461 Example for "utf-8": > | |
| 7 | 5462 nr2char(300) returns I with bow character |
| 4051 | 5463 < With {utf8} set to 1, always return utf-8 characters. |
| 5464 Note that a NUL character in the file is specified with | |
| 7 | 5465 nr2char(10), because NULs are represented with newline |
| 5466 characters. nr2char(0) is a real NUL and terminates the | |
| 119 | 5467 string, thus results in an empty string. |
| 7 | 5468 |
| 3214 | 5469 or({expr}, {expr}) *or()* |
| 5470 Bitwise OR on the two arguments. The arguments are converted | |
| 5471 to a number. A List, Dict or Float argument causes an error. | |
| 5472 Example: > | |
| 5473 :let bits = or(bits, 0x80) | |
| 5474 | |
| 5475 | |
| 819 | 5476 pathshorten({expr}) *pathshorten()* |
| 5477 Shorten directory names in the path {expr} and return the | |
| 5478 result. The tail, the file name, is kept as-is. The other | |
| 5479 components in the path are reduced to single letters. Leading | |
| 5480 '~' and '.' characters are kept. Example: > | |
| 5481 :echo pathshorten('~/.vim/autoload/myfile.vim') | |
| 5482 < ~/.v/a/myfile.vim ~ | |
| 5483 It doesn't matter if the path exists or not. | |
| 5484 | |
|
7651
c7575b07de98
commit https://github.com/vim/vim/commit/e9b892ebcd8596bf813793a1eed5a460a9495a28
Christian Brabandt <cb@256bit.org>
parents:
7629
diff
changeset
|
5485 perleval({expr}) *perleval()* |
|
c7575b07de98
commit https://github.com/vim/vim/commit/e9b892ebcd8596bf813793a1eed5a460a9495a28
Christian Brabandt <cb@256bit.org>
parents:
7629
diff
changeset
|
5486 Evaluate Perl expression {expr} in scalar context and return |
|
c7575b07de98
commit https://github.com/vim/vim/commit/e9b892ebcd8596bf813793a1eed5a460a9495a28
Christian Brabandt <cb@256bit.org>
parents:
7629
diff
changeset
|
5487 its result converted to Vim data structures. If value can't be |
|
7659
07f11de5efca
commit https://github.com/vim/vim/commit/85084ef1e999dcf50e8d466106a33bac24a0febb
Christian Brabandt <cb@256bit.org>
parents:
7653
diff
changeset
|
5488 converted, it is returned as a string Perl representation. |
|
07f11de5efca
commit https://github.com/vim/vim/commit/85084ef1e999dcf50e8d466106a33bac24a0febb
Christian Brabandt <cb@256bit.org>
parents:
7653
diff
changeset
|
5489 Note: If you want an array or hash, {expr} must return a |
|
07f11de5efca
commit https://github.com/vim/vim/commit/85084ef1e999dcf50e8d466106a33bac24a0febb
Christian Brabandt <cb@256bit.org>
parents:
7653
diff
changeset
|
5490 reference to it. |
|
7651
c7575b07de98
commit https://github.com/vim/vim/commit/e9b892ebcd8596bf813793a1eed5a460a9495a28
Christian Brabandt <cb@256bit.org>
parents:
7629
diff
changeset
|
5491 Example: > |
|
c7575b07de98
commit https://github.com/vim/vim/commit/e9b892ebcd8596bf813793a1eed5a460a9495a28
Christian Brabandt <cb@256bit.org>
parents:
7629
diff
changeset
|
5492 :echo perleval('[1 .. 4]') |
|
c7575b07de98
commit https://github.com/vim/vim/commit/e9b892ebcd8596bf813793a1eed5a460a9495a28
Christian Brabandt <cb@256bit.org>
parents:
7629
diff
changeset
|
5493 < [1, 2, 3, 4] |
|
c7575b07de98
commit https://github.com/vim/vim/commit/e9b892ebcd8596bf813793a1eed5a460a9495a28
Christian Brabandt <cb@256bit.org>
parents:
7629
diff
changeset
|
5494 {only available when compiled with the |+perl| feature} |
|
c7575b07de98
commit https://github.com/vim/vim/commit/e9b892ebcd8596bf813793a1eed5a460a9495a28
Christian Brabandt <cb@256bit.org>
parents:
7629
diff
changeset
|
5495 |
| 1621 | 5496 pow({x}, {y}) *pow()* |
| 5497 Return the power of {x} to the exponent {y} as a |Float|. | |
| 5498 {x} and {y} must evaluate to a |Float| or a |Number|. | |
| 5499 Examples: > | |
| 5500 :echo pow(3, 3) | |
| 5501 < 27.0 > | |
| 5502 :echo pow(2, 16) | |
| 5503 < 65536.0 > | |
| 5504 :echo pow(32, 0.20) | |
| 5505 < 2.0 | |
| 5506 {only available when compiled with the |+float| feature} | |
| 5507 | |
| 667 | 5508 prevnonblank({lnum}) *prevnonblank()* |
| 5509 Return the line number of the first line at or above {lnum} | |
| 5510 that is not blank. Example: > | |
| 5511 let ind = indent(prevnonblank(v:lnum - 1)) | |
| 5512 < When {lnum} is invalid or there is no non-blank line at or | |
| 5513 above it, zero is returned. | |
| 5514 Also see |nextnonblank()|. | |
| 5515 | |
| 5516 | |
| 449 | 5517 printf({fmt}, {expr1} ...) *printf()* |
| 5518 Return a String with {fmt}, where "%" items are replaced by | |
| 5519 the formatted form of their respective arguments. Example: > | |
| 452 | 5520 printf("%4d: E%d %.30s", lnum, errno, msg) |
| 449 | 5521 < May result in: |
| 452 | 5522 " 99: E42 asdfasdfasdfasdfasdfasdfasdfas" ~ |
| 449 | 5523 |
| 5524 Often used items are: | |
| 856 | 5525 %s string |
| 3914 | 5526 %6S string right-aligned in 6 display cells |
| 653 | 5527 %6s string right-aligned in 6 bytes |
| 1621 | 5528 %.9s string truncated to 9 bytes |
| 5529 %c single byte | |
| 5530 %d decimal number | |
| 5531 %5d decimal number padded with spaces to 5 characters | |
| 5532 %x hex number | |
| 5533 %04x hex number padded with zeros to at least 4 characters | |
| 5534 %X hex number using upper case letters | |
| 5535 %o octal number | |
| 5536 %f floating point number in the form 123.456 | |
| 5537 %e floating point number in the form 1.234e3 | |
| 5538 %E floating point number in the form 1.234E3 | |
| 5539 %g floating point number, as %f or %e depending on value | |
| 5540 %G floating point number, as %f or %E depending on value | |
| 5541 %% the % character itself | |
| 449 | 5542 |
| 5543 Conversion specifications start with '%' and end with the | |
| 5544 conversion type. All other characters are copied unchanged to | |
| 5545 the result. | |
| 5546 | |
| 5547 The "%" starts a conversion specification. The following | |
| 452 | 5548 arguments appear in sequence: |
| 5549 | |
| 5550 % [flags] [field-width] [.precision] type | |
| 5551 | |
| 856 | 5552 flags |
| 452 | 5553 Zero or more of the following flags: |
| 5554 | |
| 449 | 5555 # The value should be converted to an "alternate |
| 5556 form". For c, d, and s conversions, this option | |
| 5557 has no effect. For o conversions, the precision | |
| 5558 of the number is increased to force the first | |
| 5559 character of the output string to a zero (except | |
| 5560 if a zero value is printed with an explicit | |
| 5561 precision of zero). | |
| 5562 For x and X conversions, a non-zero result has | |
| 5563 the string "0x" (or "0X" for X conversions) | |
| 5564 prepended to it. | |
| 452 | 5565 |
| 449 | 5566 0 (zero) Zero padding. For all conversions the converted |
| 5567 value is padded on the left with zeros rather | |
| 5568 than blanks. If a precision is given with a | |
| 5569 numeric conversion (d, o, x, and X), the 0 flag | |
| 5570 is ignored. | |
| 452 | 5571 |
| 449 | 5572 - A negative field width flag; the converted value |
| 5573 is to be left adjusted on the field boundary. | |
| 5574 The converted value is padded on the right with | |
| 5575 blanks, rather than on the left with blanks or | |
| 5576 zeros. A - overrides a 0 if both are given. | |
| 452 | 5577 |
| 449 | 5578 ' ' (space) A blank should be left before a positive |
| 5579 number produced by a signed conversion (d). | |
| 452 | 5580 |
| 449 | 5581 + A sign must always be placed before a number |
| 1621 | 5582 produced by a signed conversion. A + overrides |
| 449 | 5583 a space if both are used. |
| 452 | 5584 |
| 5585 field-width | |
| 5586 An optional decimal digit string specifying a minimum | |
| 653 | 5587 field width. If the converted value has fewer bytes |
| 5588 than the field width, it will be padded with spaces on | |
| 5589 the left (or right, if the left-adjustment flag has | |
| 5590 been given) to fill out the field width. | |
| 452 | 5591 |
| 5592 .precision | |
| 5593 An optional precision, in the form of a period '.' | |
| 5594 followed by an optional digit string. If the digit | |
| 5595 string is omitted, the precision is taken as zero. | |
| 5596 This gives the minimum number of digits to appear for | |
| 5597 d, o, x, and X conversions, or the maximum number of | |
| 653 | 5598 bytes to be printed from a string for s conversions. |
| 1621 | 5599 For floating point it is the number of digits after |
| 5600 the decimal point. | |
| 452 | 5601 |
| 5602 type | |
| 5603 A character that specifies the type of conversion to | |
| 5604 be applied, see below. | |
| 5605 | |
| 449 | 5606 A field width or precision, or both, may be indicated by an |
| 5607 asterisk '*' instead of a digit string. In this case, a | |
| 1621 | 5608 Number argument supplies the field width or precision. A |
| 449 | 5609 negative field width is treated as a left adjustment flag |
| 5610 followed by a positive field width; a negative precision is | |
| 5611 treated as though it were missing. Example: > | |
| 452 | 5612 :echo printf("%d: %.*s", nr, width, line) |
| 449 | 5613 < This limits the length of the text used from "line" to |
| 452 | 5614 "width" bytes. |
| 449 | 5615 |
| 856 | 5616 The conversion specifiers and their meanings are: |
| 452 | 5617 |
| 1621 | 5618 *printf-d* *printf-o* *printf-x* *printf-X* |
| 5619 doxX The Number argument is converted to signed decimal | |
| 449 | 5620 (d), unsigned octal (o), or unsigned hexadecimal (x |
| 5621 and X) notation. The letters "abcdef" are used for | |
| 5622 x conversions; the letters "ABCDEF" are used for X | |
| 452 | 5623 conversions. |
| 5624 The precision, if any, gives the minimum number of | |
| 5625 digits that must appear; if the converted value | |
| 5626 requires fewer digits, it is padded on the left with | |
| 5627 zeros. | |
| 5628 In no case does a non-existent or small field width | |
| 5629 cause truncation of a numeric field; if the result of | |
| 5630 a conversion is wider than the field width, the field | |
| 5631 is expanded to contain the conversion result. | |
| 5632 | |
| 1621 | 5633 *printf-c* |
| 452 | 5634 c The Number argument is converted to a byte, and the |
| 5635 resulting character is written. | |
| 5636 | |
| 1621 | 5637 *printf-s* |
| 452 | 5638 s The text of the String argument is used. If a |
| 5639 precision is specified, no more bytes than the number | |
| 5640 specified are used. | |
| 6583 | 5641 *printf-S* |
| 3914 | 5642 S The text of the String argument is used. If a |
| 5643 precision is specified, no more display cells than the | |
| 5644 number specified are used. Without the |+multi_byte| | |
| 5645 feature works just like 's'. | |
| 452 | 5646 |
| 1621 | 5647 *printf-f* *E807* |
| 5648 f The Float argument is converted into a string of the | |
| 5649 form 123.456. The precision specifies the number of | |
| 5650 digits after the decimal point. When the precision is | |
| 5651 zero the decimal point is omitted. When the precision | |
| 5652 is not specified 6 is used. A really big number | |
| 5653 (out of range or dividing by zero) results in "inf". | |
| 5654 "0.0 / 0.0" results in "nan". | |
| 5655 Example: > | |
| 5656 echo printf("%.2f", 12.115) | |
| 5657 < 12.12 | |
| 5658 Note that roundoff depends on the system libraries. | |
| 5659 Use |round()| when in doubt. | |
| 5660 | |
| 5661 *printf-e* *printf-E* | |
| 5662 e E The Float argument is converted into a string of the | |
| 5663 form 1.234e+03 or 1.234E+03 when using 'E'. The | |
| 5664 precision specifies the number of digits after the | |
| 5665 decimal point, like with 'f'. | |
| 5666 | |
| 5667 *printf-g* *printf-G* | |
| 5668 g G The Float argument is converted like with 'f' if the | |
| 5669 value is between 0.001 (inclusive) and 10000000.0 | |
| 5670 (exclusive). Otherwise 'e' is used for 'g' and 'E' | |
| 5671 for 'G'. When no precision is specified superfluous | |
| 5672 zeroes and '+' signs are removed, except for the zero | |
| 5673 immediately after the decimal point. Thus 10000000.0 | |
| 5674 results in 1.0e7. | |
| 5675 | |
| 5676 *printf-%* | |
| 449 | 5677 % A '%' is written. No argument is converted. The |
| 5678 complete conversion specification is "%%". | |
| 452 | 5679 |
| 1668 | 5680 When a Number argument is expected a String argument is also |
| 5681 accepted and automatically converted. | |
| 5682 When a Float or String argument is expected a Number argument | |
| 5683 is also accepted and automatically converted. | |
| 5684 Any other argument type results in an error message. | |
| 449 | 5685 |
| 459 | 5686 *E766* *E767* |
| 449 | 5687 The number of {exprN} arguments must exactly match the number |
| 5688 of "%" items. If there are not sufficient or too many | |
| 452 | 5689 arguments an error is given. Up to 18 arguments can be used. |
| 449 | 5690 |
| 5691 | |
| 667 | 5692 pumvisible() *pumvisible()* |
| 5693 Returns non-zero when the popup menu is visible, zero | |
| 5694 otherwise. See |ins-completion-menu|. | |
| 712 | 5695 This can be used to avoid some things that would remove the |
| 5696 popup menu. | |
| 7 | 5697 |
| 3682 | 5698 py3eval({expr}) *py3eval()* |
| 5699 Evaluate Python expression {expr} and return its result | |
| 5700 converted to Vim data structures. | |
| 5701 Numbers and strings are returned as they are (strings are | |
| 6647 | 5702 copied though, Unicode strings are additionally converted to |
| 3682 | 5703 'encoding'). |
| 5704 Lists are represented as Vim |List| type. | |
| 5705 Dictionaries are represented as Vim |Dictionary| type with | |
| 5706 keys converted to strings. | |
| 5707 {only available when compiled with the |+python3| feature} | |
| 5708 | |
| 5709 *E858* *E859* | |
| 5710 pyeval({expr}) *pyeval()* | |
| 5711 Evaluate Python expression {expr} and return its result | |
| 5712 converted to Vim data structures. | |
| 5713 Numbers and strings are returned as they are (strings are | |
| 5714 copied though). | |
| 5715 Lists are represented as Vim |List| type. | |
| 3830 | 5716 Dictionaries are represented as Vim |Dictionary| type, |
| 5717 non-string keys result in error. | |
| 3682 | 5718 {only available when compiled with the |+python| feature} |
| 5719 | |
| 114 | 5720 *E726* *E727* |
| 99 | 5721 range({expr} [, {max} [, {stride}]]) *range()* |
| 685 | 5722 Returns a |List| with Numbers: |
| 99 | 5723 - If only {expr} is specified: [0, 1, ..., {expr} - 1] |
| 5724 - If {max} is specified: [{expr}, {expr} + 1, ..., {max}] | |
| 5725 - If {stride} is specified: [{expr}, {expr} + {stride}, ..., | |
| 5726 {max}] (increasing {expr} with {stride} each time, not | |
| 5727 producing a value past {max}). | |
| 336 | 5728 When the maximum is one before the start the result is an |
| 5729 empty list. When the maximum is more than one before the | |
| 5730 start this is an error. | |
| 99 | 5731 Examples: > |
| 856 | 5732 range(4) " [0, 1, 2, 3] |
| 99 | 5733 range(2, 4) " [2, 3, 4] |
| 5734 range(2, 9, 3) " [2, 5, 8] | |
| 856 | 5735 range(2, -2, -1) " [2, 1, 0, -1, -2] |
| 336 | 5736 range(0) " [] |
| 5737 range(2, 0) " error! | |
| 99 | 5738 < |
| 158 | 5739 *readfile()* |
| 168 | 5740 readfile({fname} [, {binary} [, {max}]]) |
| 685 | 5741 Read file {fname} and return a |List|, each line of the file |
| 5742 as an item. Lines broken at NL characters. Macintosh files | |
| 158 | 5743 separated with CR will result in a single long line (unless a |
| 5744 NL appears somewhere). | |
|
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|
5745 All NUL characters are replaced with a NL character. |
| 6918 | 5746 When {binary} contains "b" binary mode is used: |
| 158 | 5747 - When the last line ends in a NL an extra empty list item is |
| 5748 added. | |
| 5749 - No CR characters are removed. | |
| 5750 Otherwise: | |
| 5751 - CR characters that appear before a NL are removed. | |
| 5752 - Whether the last line ends in a NL or not does not matter. | |
|
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|
5753 - When 'encoding' is Unicode any UTF-8 byte order mark is |
|
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|
5754 removed from the text. |
| 168 | 5755 When {max} is given this specifies the maximum number of lines |
| 5756 to be read. Useful if you only want to check the first ten | |
| 5757 lines of a file: > | |
| 5758 :for line in readfile(fname, '', 10) | |
| 5759 : if line =~ 'Date' | echo line | endif | |
| 5760 :endfor | |
| 233 | 5761 < When {max} is negative -{max} lines from the end of the file |
| 5762 are returned, or as many as there are. | |
| 5763 When {max} is zero the result is an empty list. | |
| 168 | 5764 Note that without {max} the whole file is read into memory. |
| 5765 Also note that there is no recognition of encoding. Read a | |
| 5766 file into a buffer if you need to. | |
| 158 | 5767 When the file can't be opened an error message is given and |
| 5768 the result is an empty list. | |
| 5769 Also see |writefile()|. | |
| 5770 | |
| 794 | 5771 reltime([{start} [, {end}]]) *reltime()* |
| 5772 Return an item that represents a time value. The format of | |
| 5773 the item depends on the system. It can be passed to | |
|
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|
5774 |reltimestr()| to convert it to a string or |reltimefloat()| |
|
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|
5775 to convert to a Float. |
| 794 | 5776 Without an argument it returns the current time. |
| 5777 With one argument is returns the time passed since the time | |
| 5778 specified in the argument. | |
| 843 | 5779 With two arguments it returns the time passed between {start} |
| 794 | 5780 and {end}. |
| 5781 The {start} and {end} arguments must be values returned by | |
| 5782 reltime(). | |
|
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|
5783 {only available when compiled with the |+reltime| feature} |
| 794 | 5784 |
|
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|
5785 reltimefloat({time}) *reltimefloat()* |
|
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|
5786 Return a Float that represents the time value of {time}. |
|
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|
5787 Example: > |
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|
5788 let start = reltime() |
|
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|
5789 call MyFunction() |
|
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|
5790 let seconds = reltimefloat(reltime(start)) |
|
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|
5791 < See the note of reltimestr() about overhead. |
|
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5792 Also see |profiling|. |
|
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5793 {only available when compiled with the |+reltime| feature} |
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|
5794 |
| 794 | 5795 reltimestr({time}) *reltimestr()* |
| 5796 Return a String that represents the time value of {time}. | |
| 5797 This is the number of seconds, a dot and the number of | |
| 5798 microseconds. Example: > | |
| 5799 let start = reltime() | |
| 5800 call MyFunction() | |
| 5801 echo reltimestr(reltime(start)) | |
| 5802 < Note that overhead for the commands will be added to the time. | |
| 5803 The accuracy depends on the system. | |
| 1156 | 5804 Leading spaces are used to make the string align nicely. You |
| 5805 can use split() to remove it. > | |
| 5806 echo split(reltimestr(reltime(start)))[0] | |
| 5807 < Also see |profiling|. | |
|
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|
5808 {only available when compiled with the |+reltime| feature} |
| 794 | 5809 |
| 7 | 5810 *remote_expr()* *E449* |
| 5811 remote_expr({server}, {string} [, {idvar}]) | |
| 1621 | 5812 Send the {string} to {server}. The string is sent as an |
| 7 | 5813 expression and the result is returned after evaluation. |
| 714 | 5814 The result must be a String or a |List|. A |List| is turned |
| 5815 into a String by joining the items with a line break in | |
| 5816 between (not at the end), like with join(expr, "\n"). | |
| 7 | 5817 If {idvar} is present, it is taken as the name of a |
| 5818 variable and a {serverid} for later use with | |
| 5819 remote_read() is stored there. | |
| 5820 See also |clientserver| |RemoteReply|. | |
| 5821 This function is not available in the |sandbox|. | |
| 5822 {only available when compiled with the |+clientserver| feature} | |
| 5823 Note: Any errors will cause a local error message to be issued | |
| 5824 and the result will be the empty string. | |
| 5825 Examples: > | |
| 5826 :echo remote_expr("gvim", "2+2") | |
| 5827 :echo remote_expr("gvim1", "b:current_syntax") | |
| 5828 < | |
| 5829 | |
| 5830 remote_foreground({server}) *remote_foreground()* | |
| 5831 Move the Vim server with the name {server} to the foreground. | |
| 5832 This works like: > | |
| 5833 remote_expr({server}, "foreground()") | |
| 5834 < Except that on Win32 systems the client does the work, to work | |
| 5835 around the problem that the OS doesn't always allow the server | |
| 5836 to bring itself to the foreground. | |
| 574 | 5837 Note: This does not restore the window if it was minimized, |
| 5838 like foreground() does. | |
| 7 | 5839 This function is not available in the |sandbox|. |
| 5840 {only in the Win32, Athena, Motif and GTK GUI versions and the | |
| 5841 Win32 console version} | |
| 5842 | |
| 5843 | |
| 5844 remote_peek({serverid} [, {retvar}]) *remote_peek()* | |
| 5845 Returns a positive number if there are available strings | |
| 5846 from {serverid}. Copies any reply string into the variable | |
| 1621 | 5847 {retvar} if specified. {retvar} must be a string with the |
| 7 | 5848 name of a variable. |
| 5849 Returns zero if none are available. | |
| 5850 Returns -1 if something is wrong. | |
| 5851 See also |clientserver|. | |
| 5852 This function is not available in the |sandbox|. | |
| 5853 {only available when compiled with the |+clientserver| feature} | |
| 5854 Examples: > | |
| 5855 :let repl = "" | |
| 5856 :echo "PEEK: ".remote_peek(id, "repl").": ".repl | |
| 5857 | |
| 5858 remote_read({serverid}) *remote_read()* | |
| 5859 Return the oldest available reply from {serverid} and consume | |
| 5860 it. It blocks until a reply is available. | |
| 5861 See also |clientserver|. | |
| 5862 This function is not available in the |sandbox|. | |
| 5863 {only available when compiled with the |+clientserver| feature} | |
| 5864 Example: > | |
| 5865 :echo remote_read(id) | |
| 5866 < | |
| 5867 *remote_send()* *E241* | |
| 5868 remote_send({server}, {string} [, {idvar}]) | |
| 1621 | 5869 Send the {string} to {server}. The string is sent as input |
| 22 | 5870 keys and the function returns immediately. At the Vim server |
| 5871 the keys are not mapped |:map|. | |
| 667 | 5872 If {idvar} is present, it is taken as the name of a variable |
| 5873 and a {serverid} for later use with remote_read() is stored | |
| 5874 there. | |
| 7 | 5875 See also |clientserver| |RemoteReply|. |
| 5876 This function is not available in the |sandbox|. | |
| 5877 {only available when compiled with the |+clientserver| feature} | |
| 5878 Note: Any errors will be reported in the server and may mess | |
| 5879 up the display. | |
| 5880 Examples: > | |
| 5881 :echo remote_send("gvim", ":DropAndReply ".file, "serverid"). | |
| 5882 \ remote_read(serverid) | |
| 5883 | |
| 5884 :autocmd NONE RemoteReply * | |
| 5885 \ echo remote_read(expand("<amatch>")) | |
| 5886 :echo remote_send("gvim", ":sleep 10 | echo ". | |
| 5887 \ 'server2client(expand("<client>"), "HELLO")<CR>') | |
| 82 | 5888 < |
| 79 | 5889 remove({list}, {idx} [, {end}]) *remove()* |
| 685 | 5890 Without {end}: Remove the item at {idx} from |List| {list} and |
|
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5891 return the item. |
| 79 | 5892 With {end}: Remove items from {idx} to {end} (inclusive) and |
|
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|
5893 return a List with these items. When {idx} points to the same |
| 79 | 5894 item as {end} a list with one item is returned. When {end} |
| 5895 points to an item before {idx} this is an error. | |
| 5896 See |list-index| for possible values of {idx} and {end}. | |
| 55 | 5897 Example: > |
| 5898 :echo "last item: " . remove(mylist, -1) | |
| 79 | 5899 :call remove(mylist, 0, 9) |
| 99 | 5900 remove({dict}, {key}) |
| 5901 Remove the entry from {dict} with key {key}. Example: > | |
| 5902 :echo "removed " . remove(dict, "one") | |
| 5903 < If there is no {key} in {dict} this is an error. | |
| 5904 | |
| 5905 Use |delete()| to remove a file. | |
| 55 | 5906 |
| 7 | 5907 rename({from}, {to}) *rename()* |
| 5908 Rename the file by the name {from} to the name {to}. This | |
| 5909 should also work to move files across file systems. The | |
| 5910 result is a Number, which is 0 if the file was renamed | |
| 5911 successfully, and non-zero when the renaming failed. | |
| 1851 | 5912 NOTE: If {to} exists it is overwritten without warning. |
| 7 | 5913 This function is not available in the |sandbox|. |
| 5914 | |
| 18 | 5915 repeat({expr}, {count}) *repeat()* |
| 5916 Repeat {expr} {count} times and return the concatenated | |
| 5917 result. Example: > | |
| 843 | 5918 :let separator = repeat('-', 80) |
| 18 | 5919 < When {count} is zero or negative the result is empty. |
| 685 | 5920 When {expr} is a |List| the result is {expr} concatenated |
| 1621 | 5921 {count} times. Example: > |
| 79 | 5922 :let longlist = repeat(['a', 'b'], 3) |
| 5923 < Results in ['a', 'b', 'a', 'b', 'a', 'b']. | |
| 18 | 5924 |
| 82 | 5925 |
| 7 | 5926 resolve({filename}) *resolve()* *E655* |
| 5927 On MS-Windows, when {filename} is a shortcut (a .lnk file), | |
| 5928 returns the path the shortcut points to in a simplified form. | |
| 5929 On Unix, repeat resolving symbolic links in all path | |
| 5930 components of {filename} and return the simplified result. | |
| 5931 To cope with link cycles, resolving of symbolic links is | |
| 5932 stopped after 100 iterations. | |
| 5933 On other systems, return the simplified {filename}. | |
| 5934 The simplification step is done as by |simplify()|. | |
| 5935 resolve() keeps a leading path component specifying the | |
| 5936 current directory (provided the result is still a relative | |
| 5937 path name) and also keeps a trailing path separator. | |
| 5938 | |
| 82 | 5939 *reverse()* |
| 1621 | 5940 reverse({list}) Reverse the order of items in {list} in-place. Returns |
| 82 | 5941 {list}. |
| 5942 If you want a list to remain unmodified make a copy first: > | |
| 5943 :let revlist = reverse(copy(mylist)) | |
| 5944 | |
| 1621 | 5945 round({expr}) *round()* |
| 1668 | 5946 Round off {expr} to the nearest integral value and return it |
| 1621 | 5947 as a |Float|. If {expr} lies halfway between two integral |
| 5948 values, then use the larger one (away from zero). | |
| 5949 {expr} must evaluate to a |Float| or a |Number|. | |
| 5950 Examples: > | |
| 5951 echo round(0.456) | |
| 5952 < 0.0 > | |
| 5953 echo round(4.5) | |
| 5954 < 5.0 > | |
| 5955 echo round(-4.5) | |
| 5956 < -5.0 | |
| 5957 {only available when compiled with the |+float| feature} | |
| 3996 | 5958 |
|
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5959 screenattr(row, col) *screenattr()* |
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5960 Like screenchar(), but return the attribute. This is a rather |
|
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5961 arbitrary number that can only be used to compare to the |
|
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5962 attribute at other positions. |
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5963 |
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5964 screenchar(row, col) *screenchar()* |
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5965 The result is a Number, which is the character at position |
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|
5966 [row, col] on the screen. This works for every possible |
|
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5967 screen position, also status lines, window separators and the |
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|
5968 command line. The top left position is row one, column one |
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5969 The character excludes composing characters. For double-byte |
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5970 encodings it may only be the first byte. |
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5971 This is mainly to be used for testing. |
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5972 Returns -1 when row or col is out of range. |
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|
5973 |
| 3996 | 5974 screencol() *screencol()* |
| 5975 The result is a Number, which is the current screen column of | |
| 5976 the cursor. The leftmost column has number 1. | |
| 5977 This function is mainly used for testing. | |
| 5978 | |
| 5979 Note: Always returns the current screen column, thus if used | |
| 5980 in a command (e.g. ":echo screencol()") it will return the | |
| 5981 column inside the command line, which is 1 when the command is | |
| 5982 executed. To get the cursor position in the file use one of | |
| 5983 the following mappings: > | |
| 5984 nnoremap <expr> GG ":echom ".screencol()."\n" | |
| 5985 nnoremap <silent> GG :echom screencol()<CR> | |
| 5986 < | |
| 5987 screenrow() *screenrow()* | |
| 5988 The result is a Number, which is the current screen row of the | |
| 5989 cursor. The top line has number one. | |
| 5990 This function is mainly used for testing. | |
| 5991 | |
| 5992 Note: Same restrictions as with |screencol()|. | |
| 5993 | |
| 1496 | 5994 search({pattern} [, {flags} [, {stopline} [, {timeout}]]]) *search()* |
| 7 | 5995 Search for regexp pattern {pattern}. The search starts at the |
| 119 | 5996 cursor position (you can use |cursor()| to set it). |
| 707 | 5997 |
| 3967 | 5998 When a match has been found its line number is returned. |
| 3312 | 5999 If there is no match a 0 is returned and the cursor doesn't |
| 6000 move. No error message is given. | |
| 6001 | |
| 7 | 6002 {flags} is a String, which can contain these character flags: |
|
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6003 'b' search Backward instead of forward |
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6004 'c' accept a match at the Cursor position |
| 712 | 6005 'e' move to the End of the match |
| 20 | 6006 'n' do Not move the cursor |
|
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6007 'p' return number of matching sub-Pattern (see below) |
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6008 's' Set the ' mark at the previous location of the cursor |
|
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|
6009 'w' Wrap around the end of the file |
|
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|
6010 'W' don't Wrap around the end of the file |
|
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diff
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|
6011 'z' start searching at the cursor column instead of zero |
| 7 | 6012 If neither 'w' or 'W' is given, the 'wrapscan' option applies. |
| 6013 | |
| 444 | 6014 If the 's' flag is supplied, the ' mark is set, only if the |
| 6015 cursor is moved. The 's' flag cannot be combined with the 'n' | |
| 6016 flag. | |
| 6017 | |
| 1156 | 6018 'ignorecase', 'smartcase' and 'magic' are used. |
|
7358
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6019 |
|
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6020 When the 'z' flag is not given, searching always starts in |
|
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6021 column zero and then matches before the cursor are skipped. |
|
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6022 When the 'c' flag is present in 'cpo' the next search starts |
|
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|
6023 after the match. Without the 'c' flag the next search starts |
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|
6024 one column further. |
| 1156 | 6025 |
| 692 | 6026 When the {stopline} argument is given then the search stops |
| 6027 after searching this line. This is useful to restrict the | |
| 6028 search to a range of lines. Examples: > | |
| 6029 let match = search('(', 'b', line("w0")) | |
| 6030 let end = search('END', '', line("w$")) | |
| 6031 < When {stopline} is used and it is not zero this also implies | |
| 6032 that the search does not wrap around the end of the file. | |
| 1496 | 6033 A zero value is equal to not giving the argument. |
| 6034 | |
| 6035 When the {timeout} argument is given the search stops when | |
| 3513 | 6036 more than this many milliseconds have passed. Thus when |
| 1496 | 6037 {timeout} is 500 the search stops after half a second. |
| 6038 The value must not be negative. A zero value is like not | |
| 6039 giving the argument. | |
|
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changeset
|
6040 {only available when compiled with the |+reltime| feature} |
| 692 | 6041 |
| 714 | 6042 *search()-sub-match* |
| 6043 With the 'p' flag the returned value is one more than the | |
| 6044 first sub-match in \(\). One if none of them matched but the | |
| 6045 whole pattern did match. | |
| 712 | 6046 To get the column number too use |searchpos()|. |
| 6047 | |
| 20 | 6048 The cursor will be positioned at the match, unless the 'n' |
| 707 | 6049 flag is used. |
| 7 | 6050 |
| 6051 Example (goes over all files in the argument list): > | |
| 6052 :let n = 1 | |
| 6053 :while n <= argc() " loop over all files in arglist | |
| 6054 : exe "argument " . n | |
| 6055 : " start at the last char in the file and wrap for the | |
| 6056 : " first search to find match at start of file | |
| 6057 : normal G$ | |
| 6058 : let flags = "w" | |
| 6059 : while search("foo", flags) > 0 | |
| 1621 | 6060 : s/foo/bar/g |
| 7 | 6061 : let flags = "W" |
| 6062 : endwhile | |
| 6063 : update " write the file if modified | |
| 6064 : let n = n + 1 | |
| 6065 :endwhile | |
| 6066 < | |
| 712 | 6067 Example for using some flags: > |
| 6068 :echo search('\<if\|\(else\)\|\(endif\)', 'ncpe') | |
| 6069 < This will search for the keywords "if", "else", and "endif" | |
| 6070 under or after the cursor. Because of the 'p' flag, it | |
| 6071 returns 1, 2, or 3 depending on which keyword is found, or 0 | |
| 6072 if the search fails. With the cursor on the first word of the | |
| 6073 line: | |
| 6074 if (foo == 0) | let foo = foo + 1 | endif ~ | |
| 6075 the function returns 1. Without the 'c' flag, the function | |
| 6076 finds the "endif" and returns 3. The same thing happens | |
| 6077 without the 'e' flag if the cursor is on the "f" of "if". | |
| 6078 The 'n' flag tells the function not to move the cursor. | |
| 6079 | |
| 504 | 6080 |
| 523 | 6081 searchdecl({name} [, {global} [, {thisblock}]]) *searchdecl()* |
| 6082 Search for the declaration of {name}. | |
| 856 | 6083 |
| 523 | 6084 With a non-zero {global} argument it works like |gD|, find |
| 6085 first match in the file. Otherwise it works like |gd|, find | |
| 6086 first match in the function. | |
| 6087 | |
| 6088 With a non-zero {thisblock} argument matches in a {} block | |
| 6089 that ends before the cursor position are ignored. Avoids | |
| 6090 finding variable declarations only valid in another scope. | |
| 6091 | |
| 504 | 6092 Moves the cursor to the found match. |
| 6093 Returns zero for success, non-zero for failure. | |
| 6094 Example: > | |
| 6095 if searchdecl('myvar') == 0 | |
| 6096 echo getline('.') | |
| 6097 endif | |
| 6098 < | |
| 7 | 6099 *searchpair()* |
| 1496 | 6100 searchpair({start}, {middle}, {end} [, {flags} [, {skip} |
| 6101 [, {stopline} [, {timeout}]]]]) | |
| 7 | 6102 Search for the match of a nested start-end pair. This can be |
| 6103 used to find the "endif" that matches an "if", while other | |
| 6104 if/endif pairs in between are ignored. | |
| 677 | 6105 The search starts at the cursor. The default is to search |
| 6106 forward, include 'b' in {flags} to search backward. | |
| 6107 If a match is found, the cursor is positioned at it and the | |
| 6108 line number is returned. If no match is found 0 or -1 is | |
| 6109 returned and the cursor doesn't move. No error message is | |
| 6110 given. | |
| 7 | 6111 |
| 6112 {start}, {middle} and {end} are patterns, see |pattern|. They | |
| 6113 must not contain \( \) pairs. Use of \%( \) is allowed. When | |
| 6114 {middle} is not empty, it is found when searching from either | |
| 6115 direction, but only when not in a nested start-end pair. A | |
| 6116 typical use is: > | |
| 6117 searchpair('\<if\>', '\<else\>', '\<endif\>') | |
| 6118 < By leaving {middle} empty the "else" is skipped. | |
| 6119 | |
| 712 | 6120 {flags} 'b', 'c', 'n', 's', 'w' and 'W' are used like with |
| 6121 |search()|. Additionally: | |
| 7 | 6122 'r' Repeat until no more matches found; will find the |
| 1621 | 6123 outer pair. Implies the 'W' flag. |
| 6124 'm' Return number of matches instead of line number with | |
| 712 | 6125 the match; will be > 1 when 'r' is used. |
| 1621 | 6126 Note: it's nearly always a good idea to use the 'W' flag, to |
| 6127 avoid wrapping around the end of the file. | |
| 7 | 6128 |
| 6129 When a match for {start}, {middle} or {end} is found, the | |
| 6130 {skip} expression is evaluated with the cursor positioned on | |
| 6131 the start of the match. It should return non-zero if this | |
| 6132 match is to be skipped. E.g., because it is inside a comment | |
| 6133 or a string. | |
| 6134 When {skip} is omitted or empty, every match is accepted. | |
| 6135 When evaluating {skip} causes an error the search is aborted | |
| 6136 and -1 returned. | |
| 6137 | |
| 1496 | 6138 For {stopline} and {timeout} see |search()|. |
| 692 | 6139 |
| 7 | 6140 The value of 'ignorecase' is used. 'magic' is ignored, the |
| 6141 patterns are used like it's on. | |
| 6142 | |
| 6143 The search starts exactly at the cursor. A match with | |
| 6144 {start}, {middle} or {end} at the next character, in the | |
| 6145 direction of searching, is the first one found. Example: > | |
| 6146 if 1 | |
| 6147 if 2 | |
| 6148 endif 2 | |
| 6149 endif 1 | |
| 6150 < When starting at the "if 2", with the cursor on the "i", and | |
| 6151 searching forwards, the "endif 2" is found. When starting on | |
| 6152 the character just before the "if 2", the "endif 1" will be | |
| 1621 | 6153 found. That's because the "if 2" will be found first, and |
| 7 | 6154 then this is considered to be a nested if/endif from "if 2" to |
| 6155 "endif 2". | |
| 6156 When searching backwards and {end} is more than one character, | |
| 6157 it may be useful to put "\zs" at the end of the pattern, so | |
| 6158 that when the cursor is inside a match with the end it finds | |
| 6159 the matching start. | |
| 6160 | |
| 6161 Example, to find the "endif" command in a Vim script: > | |
| 6162 | |
| 6163 :echo searchpair('\<if\>', '\<el\%[seif]\>', '\<en\%[dif]\>', 'W', | |
| 6164 \ 'getline(".") =~ "^\\s*\""') | |
| 6165 | |
| 6166 < The cursor must be at or after the "if" for which a match is | |
| 6167 to be found. Note that single-quote strings are used to avoid | |
| 6168 having to double the backslashes. The skip expression only | |
| 6169 catches comments at the start of a line, not after a command. | |
| 6170 Also, a word "en" or "if" halfway a line is considered a | |
| 6171 match. | |
| 6172 Another example, to search for the matching "{" of a "}": > | |
| 6173 | |
| 6174 :echo searchpair('{', '', '}', 'bW') | |
| 6175 | |
| 6176 < This works when the cursor is at or before the "}" for which a | |
| 6177 match is to be found. To reject matches that syntax | |
| 6178 highlighting recognized as strings: > | |
| 6179 | |
| 6180 :echo searchpair('{', '', '}', 'bW', | |
| 6181 \ 'synIDattr(synID(line("."), col("."), 0), "name") =~? "string"') | |
| 6182 < | |
| 667 | 6183 *searchpairpos()* |
| 1496 | 6184 searchpairpos({start}, {middle}, {end} [, {flags} [, {skip} |
| 6185 [, {stopline} [, {timeout}]]]]) | |
|
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6186 Same as |searchpair()|, but returns a |List| with the line and |
| 685 | 6187 column position of the match. The first element of the |List| |
| 6188 is the line number and the second element is the byte index of | |
| 667 | 6189 the column position of the match. If no match is found, |
|
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6190 returns [0, 0]. > |
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6191 |
| 667 | 6192 :let [lnum,col] = searchpairpos('{', '', '}', 'n') |
| 6193 < | |
| 6194 See |match-parens| for a bigger and more useful example. | |
| 6195 | |
| 1496 | 6196 searchpos({pattern} [, {flags} [, {stopline} [, {timeout}]]]) *searchpos()* |
| 692 | 6197 Same as |search()|, but returns a |List| with the line and |
| 685 | 6198 column position of the match. The first element of the |List| |
| 6199 is the line number and the second element is the byte index of | |
| 6200 the column position of the match. If no match is found, | |
| 6201 returns [0, 0]. | |
| 714 | 6202 Example: > |
| 6203 :let [lnum, col] = searchpos('mypattern', 'n') | |
| 6204 | |
| 6205 < When the 'p' flag is given then there is an extra item with | |
| 6206 the sub-pattern match number |search()-sub-match|. Example: > | |
| 6207 :let [lnum, col, submatch] = searchpos('\(\l\)\|\(\u\)', 'np') | |
| 6208 < In this example "submatch" is 2 when a lowercase letter is | |
| 6209 found |/\l|, 3 when an uppercase letter is found |/\u|. | |
| 6210 | |
|
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6211 server2client({clientid}, {string}) *server2client()* |
| 7 | 6212 Send a reply string to {clientid}. The most recent {clientid} |
| 6213 that sent a string can be retrieved with expand("<client>"). | |
| 6214 {only available when compiled with the |+clientserver| feature} | |
| 6215 Note: | |
| 6216 This id has to be stored before the next command can be | |
| 236 | 6217 received. I.e. before returning from the received command and |
| 7 | 6218 before calling any commands that waits for input. |
| 6219 See also |clientserver|. | |
| 6220 Example: > | |
| 6221 :echo server2client(expand("<client>"), "HELLO") | |
| 6222 < | |
| 6223 serverlist() *serverlist()* | |
| 6224 Return a list of available server names, one per line. | |
| 6225 When there are no servers or the information is not available | |
| 6226 an empty string is returned. See also |clientserver|. | |
| 6227 {only available when compiled with the |+clientserver| feature} | |
| 6228 Example: > | |
| 6229 :echo serverlist() | |
| 6230 < | |
| 6231 setbufvar({expr}, {varname}, {val}) *setbufvar()* | |
| 6232 Set option or local variable {varname} in buffer {expr} to | |
| 6233 {val}. | |
| 6234 This also works for a global or local window option, but it | |
| 6235 doesn't work for a global or local window variable. | |
| 6236 For a local window option the global value is unchanged. | |
| 6237 For the use of {expr}, see |bufname()| above. | |
| 6238 Note that the variable name without "b:" must be used. | |
| 6239 Examples: > | |
| 6240 :call setbufvar(1, "&mod", 1) | |
| 6241 :call setbufvar("todo", "myvar", "foobar") | |
| 6242 < This function is not available in the |sandbox|. | |
| 6243 | |
|
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6244 setcharsearch({dict}) *setcharsearch()* |
| 6991 | 6245 Set the current character search information to {dict}, |
| 6246 which contains one or more of the following entries: | |
| 6247 | |
| 6248 char character which will be used for a subsequent | |
| 6249 |,| or |;| command; an empty string clears the | |
| 6250 character search | |
| 6251 forward direction of character search; 1 for forward, | |
| 6252 0 for backward | |
| 6253 until type of character search; 1 for a |t| or |T| | |
| 6254 character search, 0 for an |f| or |F| | |
| 6255 character search | |
| 6256 | |
| 6257 This can be useful to save/restore a user's character search | |
| 6258 from a script: > | |
| 6259 :let prevsearch = getcharsearch() | |
| 6260 :" Perform a command which clobbers user's search | |
| 6261 :call setcharsearch(prevsearch) | |
| 6262 < Also see |getcharsearch()|. | |
| 6263 | |
| 7 | 6264 setcmdpos({pos}) *setcmdpos()* |
| 6265 Set the cursor position in the command line to byte position | |
| 1621 | 6266 {pos}. The first position is 1. |
| 7 | 6267 Use |getcmdpos()| to obtain the current position. |
| 6268 Only works while editing the command line, thus you must use | |
| 99 | 6269 |c_CTRL-\_e|, |c_CTRL-R_=| or |c_CTRL-R_CTRL-R| with '='. For |
| 6270 |c_CTRL-\_e| and |c_CTRL-R_CTRL-R| with '=' the position is | |
| 6271 set after the command line is set to the expression. For | |
| 6272 |c_CTRL-R_=| it is set after evaluating the expression but | |
| 6273 before inserting the resulting text. | |
| 7 | 6274 When the number is too big the cursor is put at the end of the |
| 6275 line. A number smaller than one has undefined results. | |
| 6276 Returns 0 when successful, 1 when not editing the command | |
| 6277 line. | |
| 6278 | |
|
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6279 setfperm({fname}, {mode}) *setfperm()* *chmod* |
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6280 Set the file permissions for {fname} to {mode}. |
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6281 {mode} must be a string with 9 characters. It is of the form |
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6282 "rwxrwxrwx", where each group of "rwx" flags represent, in |
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6283 turn, the permissions of the owner of the file, the group the |
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6284 file belongs to, and other users. A '-' character means the |
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6285 permission is off, any other character means on. Multi-byte |
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6286 characters are not supported. |
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6287 |
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|
6288 For example "rw-r-----" means read-write for the user, |
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|
6289 readable by the group, not accessible by others. "xx-x-----" |
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|
6290 would do the same thing. |
|
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|
6291 |
|
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|
6292 Returns non-zero for success, zero for failure. |
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6293 |
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|
6294 To read permissions see |getfperm()|. |
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|
6295 |
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diff
changeset
|
6296 |
| 1621 | 6297 setline({lnum}, {text}) *setline()* |
| 3312 | 6298 Set line {lnum} of the current buffer to {text}. To insert |
| 6299 lines use |append()|. | |
| 236 | 6300 {lnum} is used like with |getline()|. |
| 1621 | 6301 When {lnum} is just below the last line the {text} will be |
| 282 | 6302 added as a new line. |
| 236 | 6303 If this succeeds, 0 is returned. If this fails (most likely |
| 6304 because {lnum} is invalid) 1 is returned. Example: > | |
| 7 | 6305 :call setline(5, strftime("%c")) |
| 1621 | 6306 < When {text} is a |List| then line {lnum} and following lines |
| 282 | 6307 will be set to the items in the list. Example: > |
| 6308 :call setline(5, ['aaa', 'bbb', 'ccc']) | |
| 6309 < This is equivalent to: > | |
| 3465 | 6310 :for [n, l] in [[5, 'aaa'], [6, 'bbb'], [7, 'ccc']] |
| 282 | 6311 : call setline(n, l) |
| 6312 :endfor | |
| 7 | 6313 < Note: The '[ and '] marks are not set. |
| 6314 | |
| 647 | 6315 setloclist({nr}, {list} [, {action}]) *setloclist()* |
| 6316 Create or replace or add to the location list for window {nr}. | |
|
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|
6317 {nr} can be the window number or the window ID. |
|
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6318 When {nr} is zero the current window is used. |
|
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6319 |
|
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|
6320 For a location list window, the displayed location list is |
|
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changeset
|
6321 modified. For an invalid window number {nr}, -1 is returned. |
| 1326 | 6322 Otherwise, same as |setqflist()|. |
| 6323 Also see |location-list|. | |
| 6324 | |
| 6325 setmatches({list}) *setmatches()* | |
| 6326 Restores a list of matches saved by |getmatches()|. Returns 0 | |
| 1621 | 6327 if successful, otherwise -1. All current matches are cleared |
| 1326 | 6328 before the list is restored. See example for |getmatches()|. |
| 230 | 6329 |
| 707 | 6330 *setpos()* |
| 6331 setpos({expr}, {list}) | |
| 6332 Set the position for {expr}. Possible values: | |
| 6333 . the cursor | |
| 6334 'x mark x | |
| 6335 | |
| 5938 | 6336 {list} must be a |List| with four or five numbers: |
| 707 | 6337 [bufnum, lnum, col, off] |
| 5938 | 6338 [bufnum, lnum, col, off, curswant] |
| 707 | 6339 |
| 1621 | 6340 "bufnum" is the buffer number. Zero can be used for the |
| 856 | 6341 current buffer. Setting the cursor is only possible for |
| 707 | 6342 the current buffer. To set a mark in another buffer you can |
| 6343 use the |bufnr()| function to turn a file name into a buffer | |
| 6344 number. | |
| 798 | 6345 Does not change the jumplist. |
| 707 | 6346 |
| 6347 "lnum" and "col" are the position in the buffer. The first | |
|
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6348 column is 1. Use a zero "lnum" to delete a mark. If "col" is |
|
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|
6349 smaller than 1 then 1 is used. |
| 707 | 6350 |
| 6351 The "off" number is only used when 'virtualedit' is set. Then | |
| 6352 it is the offset in screen columns from the start of the | |
| 1266 | 6353 character. E.g., a position within a <Tab> or after the last |
| 707 | 6354 character. |
| 6355 | |
| 5938 | 6356 The "curswant" number is only used when setting the cursor |
| 6357 position. It sets the preferred column for when moving the | |
| 6358 cursor vertically. When the "curswant" number is missing the | |
| 6359 preferred column is not set. When it is present and setting a | |
| 6360 mark position it is not used. | |
| 6361 | |
| 5555 | 6362 Note that for '< and '> changing the line number may result in |
| 6363 the marks to be effectively be swapped, so that '< is always | |
| 6364 before '>. | |
| 6365 | |
| 1533 | 6366 Returns 0 when the position could be set, -1 otherwise. |
| 6367 An error message is given if {expr} is invalid. | |
| 6368 | |
| 5944 | 6369 Also see |getpos()| and |getcurpos()|. |
| 707 | 6370 |
| 1156 | 6371 This does not restore the preferred column for moving |
| 5938 | 6372 vertically; if you set the cursor position with this, |j| and |
| 6373 |k| motions will jump to previous columns! Use |cursor()| to | |
| 6374 also set the preferred column. Also see the "curswant" key in | |
| 6375 |winrestview()|. | |
| 1156 | 6376 |
| 707 | 6377 |
| 277 | 6378 setqflist({list} [, {action}]) *setqflist()* |
| 647 | 6379 Create or replace or add to the quickfix list using the items |
| 6380 in {list}. Each item in {list} is a dictionary. | |
| 6381 Non-dictionary items in {list} are ignored. Each dictionary | |
| 6382 item can contain the following entries: | |
| 230 | 6383 |
| 1065 | 6384 bufnr buffer number; must be the number of a valid |
| 1621 | 6385 buffer |
| 1065 | 6386 filename name of a file; only used when "bufnr" is not |
| 1621 | 6387 present or it is invalid. |
| 230 | 6388 lnum line number in the file |
| 233 | 6389 pattern search pattern used to locate the error |
| 230 | 6390 col column number |
| 233 | 6391 vcol when non-zero: "col" is visual column |
| 856 | 6392 when zero: "col" is byte index |
| 233 | 6393 nr error number |
| 230 | 6394 text description of the error |
| 233 | 6395 type single-character error type, 'E', 'W', etc. |
| 6396 | |
| 6397 The "col", "vcol", "nr", "type" and "text" entries are | |
| 6398 optional. Either "lnum" or "pattern" entry can be used to | |
| 6399 locate a matching error line. | |
| 1065 | 6400 If the "filename" and "bufnr" entries are not present or |
| 6401 neither the "lnum" or "pattern" entries are present, then the | |
| 6402 item will not be handled as an error line. | |
| 230 | 6403 If both "pattern" and "lnum" are present then "pattern" will |
| 6404 be used. | |
| 2152 | 6405 If you supply an empty {list}, the quickfix list will be |
| 6406 cleared. | |
| 1065 | 6407 Note that the list is not exactly the same as what |
| 6408 |getqflist()| returns. | |
| 230 | 6409 |
|
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|
6410 *E927* |
| 277 | 6411 If {action} is set to 'a', then the items from {list} are |
| 6412 added to the existing quickfix list. If there is no existing | |
|
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|
6413 list, then a new list is created. |
|
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6414 |
|
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6415 If {action} is set to 'r', then the items from the current |
|
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6416 quickfix list are replaced with the items from {list}. This |
|
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6417 can also be used to clear the list: > |
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6418 :call setqflist([], 'r') |
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6419 < |
|
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6420 If {action} is not present or is set to ' ', then a new list |
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6421 is created. |
| 277 | 6422 |
| 230 | 6423 Returns zero for success, -1 for failure. |
| 6424 | |
| 6425 This function can be used to create a quickfix list | |
| 6426 independent of the 'errorformat' setting. Use a command like | |
| 6427 ":cc 1" to jump to the first position. | |
| 6428 | |
| 6429 | |
| 7 | 6430 *setreg()* |
|
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6431 setreg({regname}, {value} [, {options}]) |
| 7 | 6432 Set the register {regname} to {value}. |
| 5798 | 6433 {value} may be any value returned by |getreg()|, including |
| 6434 a |List|. | |
| 7 | 6435 If {options} contains "a" or {regname} is upper case, |
| 6436 then the value is appended. | |
| 2423 | 6437 {options} can also contain a register type specification: |
| 7 | 6438 "c" or "v" |characterwise| mode |
| 6439 "l" or "V" |linewise| mode | |
| 6440 "b" or "<CTRL-V>" |blockwise-visual| mode | |
| 6441 If a number immediately follows "b" or "<CTRL-V>" then this is | |
| 6442 used as the width of the selection - if it is not specified | |
| 6443 then the width of the block is set to the number of characters | |
| 1266 | 6444 in the longest line (counting a <Tab> as 1 character). |
| 7 | 6445 |
| 6446 If {options} contains no register settings, then the default | |
| 5798 | 6447 is to use character mode unless {value} ends in a <NL> for |
| 6448 string {value} and linewise mode for list {value}. Blockwise | |
| 6449 mode is never selected automatically. | |
| 6450 Returns zero for success, non-zero for failure. | |
| 6451 | |
| 6452 *E883* | |
| 6180 | 6453 Note: you may not use |List| containing more than one item to |
| 5798 | 6454 set search and expression registers. Lists containing no |
| 6455 items act like empty strings. | |
| 7 | 6456 |
| 6457 Examples: > | |
| 6458 :call setreg(v:register, @*) | |
| 6459 :call setreg('*', @%, 'ac') | |
| 6460 :call setreg('a', "1\n2\n3", 'b5') | |
| 6461 | |
| 6462 < This example shows using the functions to save and restore a | |
| 5798 | 6463 register (note: you may not reliably restore register value |
| 6464 without using the third argument to |getreg()| as without it | |
| 6465 newlines are represented as newlines AND Nul bytes are | |
| 6466 represented as newlines as well, see |NL-used-for-Nul|). > | |
| 6467 :let var_a = getreg('a', 1, 1) | |
| 7 | 6468 :let var_amode = getregtype('a') |
| 6469 .... | |
| 6470 :call setreg('a', var_a, var_amode) | |
| 6471 | |
| 6472 < You can also change the type of a register by appending | |
| 6473 nothing: > | |
| 6474 :call setreg('a', '', 'al') | |
| 6475 | |
|
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6476 settabvar({tabnr}, {varname}, {val}) *settabvar()* |
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|
6477 Set tab-local variable {varname} to {val} in tab page {tabnr}. |
|
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6478 |t:var| |
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6479 Note that the variable name without "t:" must be used. |
|
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|
6480 Tabs are numbered starting with one. |
|
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|
6481 This function is not available in the |sandbox|. |
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|
6482 |
| 831 | 6483 settabwinvar({tabnr}, {winnr}, {varname}, {val}) *settabwinvar()* |
| 6484 Set option or local variable {varname} in window {winnr} to | |
| 6485 {val}. | |
| 6486 Tabs are numbered starting with one. For the current tabpage | |
| 6487 use |setwinvar()|. | |
|
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changeset
|
6488 {winnr} can be the window number or the window ID. |
| 831 | 6489 When {winnr} is zero the current window is used. |
| 7 | 6490 This also works for a global or local buffer option, but it |
| 6491 doesn't work for a global or local buffer variable. | |
| 6492 For a local buffer option the global value is unchanged. | |
| 6493 Note that the variable name without "w:" must be used. | |
| 831 | 6494 Examples: > |
| 6495 :call settabwinvar(1, 1, "&list", 0) | |
| 6496 :call settabwinvar(3, 2, "myvar", "foobar") | |
| 6497 < This function is not available in the |sandbox|. | |
| 6498 | |
| 6499 setwinvar({nr}, {varname}, {val}) *setwinvar()* | |
| 6500 Like |settabwinvar()| for the current tab page. | |
| 7 | 6501 Examples: > |
| 6502 :call setwinvar(1, "&list", 0) | |
| 6503 :call setwinvar(2, "myvar", "foobar") | |
| 6504 | |
| 4126 | 6505 sha256({string}) *sha256()* |
| 6647 | 6506 Returns a String with 64 hex characters, which is the SHA256 |
| 4126 | 6507 checksum of {string}. |
| 6508 {only available when compiled with the |+cryptv| feature} | |
| 6509 | |
| 1661 | 6510 shellescape({string} [, {special}]) *shellescape()* |
|
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|
6511 Escape {string} for use as a shell command argument. |
| 985 | 6512 On MS-Windows and MS-DOS, when 'shellslash' is not set, it |
| 1661 | 6513 will enclose {string} in double quotes and double all double |
| 985 | 6514 quotes within {string}. |
| 6515 For other systems, it will enclose {string} in single quotes | |
| 6516 and replace all "'" with "'\''". | |
| 1661 | 6517 When the {special} argument is present and it's a non-zero |
| 6518 Number or a non-empty String (|non-zero-arg|), then special | |
| 1698 | 6519 items such as "!", "%", "#" and "<cword>" will be preceded by |
| 6520 a backslash. This backslash will be removed again by the |:!| | |
| 1661 | 6521 command. |
| 1698 | 6522 The "!" character will be escaped (again with a |non-zero-arg| |
| 6523 {special}) when 'shell' contains "csh" in the tail. That is | |
| 6524 because for csh and tcsh "!" is used for history replacement | |
| 6525 even when inside single quotes. | |
| 6526 The <NL> character is also escaped. With a |non-zero-arg| | |
| 6527 {special} and 'shell' containing "csh" in the tail it's | |
| 6528 escaped a second time. | |
| 1661 | 6529 Example of use with a |:!| command: > |
| 6530 :exe '!dir ' . shellescape(expand('<cfile>'), 1) | |
| 6531 < This results in a directory listing for the file under the | |
| 6532 cursor. Example of use with |system()|: > | |
| 6533 :call system("chmod +w -- " . shellescape(expand("%"))) | |
| 5690 | 6534 < See also |::S|. |
| 985 | 6535 |
| 6536 | |
| 3875 | 6537 shiftwidth() *shiftwidth()* |
| 6538 Returns the effective value of 'shiftwidth'. This is the | |
| 6539 'shiftwidth' value unless it is zero, in which case it is the | |
|
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6540 'tabstop' value. This function was introduced with patch |
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6541 7.3.694 in 2012, everybody should have it by now. |
| 3875 | 6542 |
| 6543 | |
| 7 | 6544 simplify({filename}) *simplify()* |
| 6545 Simplify the file name as much as possible without changing | |
| 6546 the meaning. Shortcuts (on MS-Windows) or symbolic links (on | |
| 6547 Unix) are not resolved. If the first path component in | |
| 6548 {filename} designates the current directory, this will be | |
| 6549 valid for the result as well. A trailing path separator is | |
| 6550 not removed either. | |
| 6551 Example: > | |
| 6552 simplify("./dir/.././/file/") == "./file/" | |
| 6553 < Note: The combination "dir/.." is only removed if "dir" is | |
| 6554 a searchable directory or does not exist. On Unix, it is also | |
| 6555 removed when "dir" is a symbolic link within the same | |
| 6556 directory. In order to resolve all the involved symbolic | |
| 6557 links before simplifying the path name, use |resolve()|. | |
| 6558 | |
| 82 | 6559 |
| 1621 | 6560 sin({expr}) *sin()* |
| 6561 Return the sine of {expr}, measured in radians, as a |Float|. | |
| 6562 {expr} must evaluate to a |Float| or a |Number|. | |
| 6563 Examples: > | |
| 6564 :echo sin(100) | |
| 6565 < -0.506366 > | |
| 6566 :echo sin(-4.01) | |
| 6567 < 0.763301 | |
| 6568 {only available when compiled with the |+float| feature} | |
| 6569 | |
| 6570 | |
|
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6571 sinh({expr}) *sinh()* |
|
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6572 Return the hyperbolic sine of {expr} as a |Float| in the range |
|
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6573 [-inf, inf]. |
|
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6574 {expr} must evaluate to a |Float| or a |Number|. |
|
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6575 Examples: > |
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6576 :echo sinh(0.5) |
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6577 < 0.521095 > |
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6578 :echo sinh(-0.9) |
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6579 < -1.026517 |
|
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6580 {only available when compiled with the |+float| feature} |
|
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6581 |
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6582 |
| 2902 | 6583 sort({list} [, {func} [, {dict}]]) *sort()* *E702* |
| 5747 | 6584 Sort the items in {list} in-place. Returns {list}. |
| 6585 | |
| 6586 If you want a list to remain unmodified make a copy first: > | |
| 82 | 6587 :let sortedlist = sort(copy(mylist)) |
| 5968 | 6588 |
| 6009 | 6589 < When {func} is omitted, is empty or zero, then sort() uses the |
| 6590 string representation of each item to sort on. Numbers sort | |
| 6591 after Strings, |Lists| after Numbers. For sorting text in the | |
| 6592 current buffer use |:sort|. | |
| 6593 | |
| 6180 | 6594 When {func} is given and it is '1' or 'i' then case is |
| 6009 | 6595 ignored. |
| 6596 | |
| 6597 When {func} is given and it is 'n' then all items will be | |
| 6598 sorted numerical (Implementation detail: This uses the | |
| 6599 strtod() function to parse numbers, Strings, Lists, Dicts and | |
| 6600 Funcrefs will be considered as being 0). | |
| 6601 | |
|
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6602 When {func} is given and it is 'N' then all items will be |
|
6ffc75d807bd
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|
6603 sorted numerical. This is like 'n' but a string containing |
|
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|
6604 digits will be used as the number they represent. |
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6605 |
|
7707
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
6606 When {func} is given and it is 'f' then all items will be |
|
41768bcebc9b
commit https://github.com/vim/vim/commit/13d5aeef56e3140a8eb8f40c7062aa1c5700f76e
Christian Brabandt <cb@256bit.org>
parents:
7703
diff
changeset
|
6607 sorted numerical. All values must be a Number or a Float. |
|
41768bcebc9b
commit https://github.com/vim/vim/commit/13d5aeef56e3140a8eb8f40c7062aa1c5700f76e
Christian Brabandt <cb@256bit.org>
parents:
7703
diff
changeset
|
6608 |
| 685 | 6609 When {func} is a |Funcref| or a function name, this function |
| 6610 is called to compare items. The function is invoked with two | |
|
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Update documentation files.
Bram Moolenaar <bram@zimbu.org>
parents:
1998
diff
changeset
|
6611 items as argument and must return zero if they are equal, 1 or |
|
de5a43c5eedc
Update documentation files.
Bram Moolenaar <bram@zimbu.org>
parents:
1998
diff
changeset
|
6612 bigger if the first one sorts after the second one, -1 or |
|
de5a43c5eedc
Update documentation files.
Bram Moolenaar <bram@zimbu.org>
parents:
1998
diff
changeset
|
6613 smaller if the first one sorts before the second one. |
| 5747 | 6614 |
| 6615 {dict} is for functions with the "dict" attribute. It will be | |
| 6616 used to set the local variable "self". |Dictionary-function| | |
| 6617 | |
|
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Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
6618 The sort is stable, items which compare equal (as number or as |
|
b8f703a4e55f
Updated runtime files. Overhauled HTML indent script.
Bram Moolenaar <bram@vim.org>
parents:
6009
diff
changeset
|
6619 string) will keep their relative position. E.g., when sorting |
| 6051 | 6620 on numbers, text strings will sort next to each other, in the |
|
6032
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Bram Moolenaar <bram@vim.org>
parents:
6009
diff
changeset
|
6621 same order as they were originally. |
|
b8f703a4e55f
Updated runtime files. Overhauled HTML indent script.
Bram Moolenaar <bram@vim.org>
parents:
6009
diff
changeset
|
6622 |
| 5747 | 6623 Also see |uniq()|. |
| 6624 | |
|
2033
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Bram Moolenaar <bram@zimbu.org>
parents:
1998
diff
changeset
|
6625 Example: > |
| 82 | 6626 func MyCompare(i1, i2) |
| 6627 return a:i1 == a:i2 ? 0 : a:i1 > a:i2 ? 1 : -1 | |
| 6628 endfunc | |
| 6629 let sortedlist = sort(mylist, "MyCompare") | |
|
2033
de5a43c5eedc
Update documentation files.
Bram Moolenaar <bram@zimbu.org>
parents:
1998
diff
changeset
|
6630 < A shorter compare version for this specific simple case, which |
|
de5a43c5eedc
Update documentation files.
Bram Moolenaar <bram@zimbu.org>
parents:
1998
diff
changeset
|
6631 ignores overflow: > |
|
de5a43c5eedc
Update documentation files.
Bram Moolenaar <bram@zimbu.org>
parents:
1998
diff
changeset
|
6632 func MyCompare(i1, i2) |
|
de5a43c5eedc
Update documentation files.
Bram Moolenaar <bram@zimbu.org>
parents:
1998
diff
changeset
|
6633 return a:i1 - a:i2 |
|
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Bram Moolenaar <bram@zimbu.org>
parents:
1998
diff
changeset
|
6634 endfunc |
| 344 | 6635 < |
| 374 | 6636 *soundfold()* |
| 6637 soundfold({word}) | |
| 6638 Return the sound-folded equivalent of {word}. Uses the first | |
| 1621 | 6639 language in 'spelllang' for the current window that supports |
| 375 | 6640 soundfolding. 'spell' must be set. When no sound folding is |
| 6641 possible the {word} is returned unmodified. | |
| 374 | 6642 This can be used for making spelling suggestions. Note that |
| 6643 the method can be quite slow. | |
| 6644 | |
| 344 | 6645 *spellbadword()* |
| 532 | 6646 spellbadword([{sentence}]) |
| 6647 Without argument: The result is the badly spelled word under | |
| 6648 or after the cursor. The cursor is moved to the start of the | |
| 6649 bad word. When no bad word is found in the cursor line the | |
| 6650 result is an empty string and the cursor doesn't move. | |
| 6651 | |
| 6652 With argument: The result is the first word in {sentence} that | |
| 6653 is badly spelled. If there are no spelling mistakes the | |
| 6654 result is an empty string. | |
| 6655 | |
| 6656 The return value is a list with two items: | |
| 6657 - The badly spelled word or an empty string. | |
| 6658 - The type of the spelling error: | |
| 856 | 6659 "bad" spelling mistake |
| 532 | 6660 "rare" rare word |
| 6661 "local" word only valid in another region | |
| 6662 "caps" word should start with Capital | |
| 6663 Example: > | |
| 6664 echo spellbadword("the quik brown fox") | |
| 6665 < ['quik', 'bad'] ~ | |
| 6666 | |
| 6667 The spelling information for the current window is used. The | |
| 6668 'spell' option must be set and the value of 'spelllang' is | |
| 6669 used. | |
| 344 | 6670 |
| 6671 *spellsuggest()* | |
| 537 | 6672 spellsuggest({word} [, {max} [, {capital}]]) |
| 685 | 6673 Return a |List| with spelling suggestions to replace {word}. |
| 344 | 6674 When {max} is given up to this number of suggestions are |
| 6675 returned. Otherwise up to 25 suggestions are returned. | |
| 6676 | |
| 537 | 6677 When the {capital} argument is given and it's non-zero only |
| 6678 suggestions with a leading capital will be given. Use this | |
| 6679 after a match with 'spellcapcheck'. | |
| 6680 | |
| 344 | 6681 {word} can be a badly spelled word followed by other text. |
| 6682 This allows for joining two words that were split. The | |
| 359 | 6683 suggestions also include the following text, thus you can |
| 6684 replace a line. | |
| 6685 | |
| 6686 {word} may also be a good word. Similar words will then be | |
| 537 | 6687 returned. {word} itself is not included in the suggestions, |
| 6688 although it may appear capitalized. | |
| 344 | 6689 |
| 6690 The spelling information for the current window is used. The | |
| 375 | 6691 'spell' option must be set and the values of 'spelllang' and |
| 6692 'spellsuggest' are used. | |
| 344 | 6693 |
| 82 | 6694 |
| 282 | 6695 split({expr} [, {pattern} [, {keepempty}]]) *split()* |
| 685 | 6696 Make a |List| out of {expr}. When {pattern} is omitted or |
| 6697 empty each white-separated sequence of characters becomes an | |
| 6698 item. | |
| 82 | 6699 Otherwise the string is split where {pattern} matches, |
| 3920 | 6700 removing the matched characters. 'ignorecase' is not used |
| 6701 here, add \c to ignore case. |/\c| | |
| 282 | 6702 When the first or last item is empty it is omitted, unless the |
| 6703 {keepempty} argument is given and it's non-zero. | |
| 293 | 6704 Other empty items are kept when {pattern} matches at least one |
| 6705 character or when {keepempty} is non-zero. | |
| 82 | 6706 Example: > |
| 95 | 6707 :let words = split(getline('.'), '\W\+') |
| 282 | 6708 < To split a string in individual characters: > |
| 236 | 6709 :for c in split(mystring, '\zs') |
|
7100
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parents:
7013
diff
changeset
|
6710 < If you want to keep the separator you can also use '\zs' at |
|
f717d96a39b3
commit https://github.com/vim/vim/commit/12969c04fe7bd27dc0cbf37709eb40a86d4a27f9
Christian Brabandt <cb@256bit.org>
parents:
7013
diff
changeset
|
6711 the end of the pattern: > |
| 258 | 6712 :echo split('abc:def:ghi', ':\zs') |
| 6713 < ['abc:', 'def:', 'ghi'] ~ | |
| 282 | 6714 Splitting a table where the first element can be empty: > |
| 6715 :let items = split(line, ':', 1) | |
| 6716 < The opposite function is |join()|. | |
| 82 | 6717 |
| 6718 | |
| 1621 | 6719 sqrt({expr}) *sqrt()* |
| 6720 Return the non-negative square root of Float {expr} as a | |
| 6721 |Float|. | |
| 6722 {expr} must evaluate to a |Float| or a |Number|. When {expr} | |
| 6723 is negative the result is NaN (Not a Number). | |
| 6724 Examples: > | |
| 6725 :echo sqrt(100) | |
| 6726 < 10.0 > | |
| 6727 :echo sqrt(-4.01) | |
| 6728 < nan | |
| 1668 | 6729 "nan" may be different, it depends on system libraries. |
| 1621 | 6730 {only available when compiled with the |+float| feature} |
| 6731 | |
| 6732 | |
|
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commit https://github.com/vim/vim/commit/81edd171a9465cf99cede4fa4a7b7bca3d538b0f
Christian Brabandt <cb@256bit.org>
parents:
8881
diff
changeset
|
6733 str2float({expr}) *str2float()* |
| 1621 | 6734 Convert String {expr} to a Float. This mostly works the same |
| 6735 as when using a floating point number in an expression, see | |
| 6736 |floating-point-format|. But it's a bit more permissive. | |
| 6737 E.g., "1e40" is accepted, while in an expression you need to | |
| 6738 write "1.0e40". | |
| 6739 Text after the number is silently ignored. | |
| 6740 The decimal point is always '.', no matter what the locale is | |
| 6741 set to. A comma ends the number: "12,345.67" is converted to | |
| 6742 12.0. You can strip out thousands separators with | |
| 6743 |substitute()|: > | |
| 6744 let f = str2float(substitute(text, ',', '', 'g')) | |
| 6745 < {only available when compiled with the |+float| feature} | |
| 6746 | |
| 6747 | |
|
8883
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Christian Brabandt <cb@256bit.org>
parents:
8881
diff
changeset
|
6748 str2nr({expr} [, {base}]) *str2nr()* |
| 782 | 6749 Convert string {expr} to a number. |
|
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commit https://github.com/vim/vim/commit/fa7353428f705f7a13465a1943dddeede4083023
Christian Brabandt <cb@256bit.org>
parents:
7384
diff
changeset
|
6750 {base} is the conversion base, it can be 2, 8, 10 or 16. |
| 782 | 6751 When {base} is omitted base 10 is used. This also means that |
| 6752 a leading zero doesn't cause octal conversion to be used, as | |
| 6753 with the default String to Number conversion. | |
| 6754 When {base} is 16 a leading "0x" or "0X" is ignored. With a | |
|
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commit https://github.com/vim/vim/commit/fa7353428f705f7a13465a1943dddeede4083023
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parents:
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diff
changeset
|
6755 different base the result will be zero. Similarly, when |
|
05cf4cc72a9f
commit https://github.com/vim/vim/commit/fa7353428f705f7a13465a1943dddeede4083023
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parents:
7384
diff
changeset
|
6756 {base} is 8 a leading "0" is ignored, and when {base} is 2 a |
|
05cf4cc72a9f
commit https://github.com/vim/vim/commit/fa7353428f705f7a13465a1943dddeede4083023
Christian Brabandt <cb@256bit.org>
parents:
7384
diff
changeset
|
6757 leading "0b" or "0B" is ignored. |
| 782 | 6758 Text after the number is silently ignored. |
| 856 | 6759 |
| 782 | 6760 |
| 6884 | 6761 strchars({expr} [, {skipcc}]) *strchars()* |
|
2338
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Added strwidth() and strchars() functions.
Bram Moolenaar <bram@vim.org>
parents:
2337
diff
changeset
|
6762 The result is a Number, which is the number of characters |
| 6884 | 6763 in String {expr}. |
| 6764 When {skipcc} is omitted or zero, composing characters are | |
| 6765 counted separately. | |
| 6766 When {skipcc} set to 1, Composing characters are ignored. | |
|
2339
01e4b4d37842
Added strdisplaywidth() function.
Bram Moolenaar <bram@vim.org>
parents:
2338
diff
changeset
|
6767 Also see |strlen()|, |strdisplaywidth()| and |strwidth()|. |
| 6918 | 6768 |
| 6769 {skipcc} is only available after 7.4.755. For backward | |
| 6770 compatibility, you can define a wrapper function: > | |
| 6771 if has("patch-7.4.755") | |
| 6772 function s:strchars(str, skipcc) | |
| 6773 return strchars(a:str, a:skipcc) | |
| 6774 endfunction | |
| 6775 else | |
| 6776 function s:strchars(str, skipcc) | |
| 6777 if a:skipcc | |
| 6778 return strlen(substitute(a:str, ".", "x", "g")) | |
| 6779 else | |
| 6780 return strchars(a:str) | |
| 6781 endif | |
| 6782 endfunction | |
| 6783 endif | |
| 6784 < | |
|
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commit https://github.com/vim/vim/commit/aa3b15dbebf333282503d6031e2f9ba6ee4398ed
Christian Brabandt <cb@256bit.org>
parents:
8883
diff
changeset
|
6785 strcharpart({src}, {start}[, {len}]) *strcharpart()* |
|
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commit https://github.com/vim/vim/commit/aa3b15dbebf333282503d6031e2f9ba6ee4398ed
Christian Brabandt <cb@256bit.org>
parents:
8883
diff
changeset
|
6786 Like |strpart()| but using character index and length instead |
|
0bdeaf7092bc
commit https://github.com/vim/vim/commit/aa3b15dbebf333282503d6031e2f9ba6ee4398ed
Christian Brabandt <cb@256bit.org>
parents:
8883
diff
changeset
|
6787 of byte index and length. |
|
0bdeaf7092bc
commit https://github.com/vim/vim/commit/aa3b15dbebf333282503d6031e2f9ba6ee4398ed
Christian Brabandt <cb@256bit.org>
parents:
8883
diff
changeset
|
6788 When a character index is used where a character does not |
|
0bdeaf7092bc
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Christian Brabandt <cb@256bit.org>
parents:
8883
diff
changeset
|
6789 exist it is assumed to be one byte. For example: > |
|
0bdeaf7092bc
commit https://github.com/vim/vim/commit/aa3b15dbebf333282503d6031e2f9ba6ee4398ed
Christian Brabandt <cb@256bit.org>
parents:
8883
diff
changeset
|
6790 strcharpart('abc', -1, 2) |
|
0bdeaf7092bc
commit https://github.com/vim/vim/commit/aa3b15dbebf333282503d6031e2f9ba6ee4398ed
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parents:
8883
diff
changeset
|
6791 < results in 'a'. |
| 6918 | 6792 |
|
2339
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Bram Moolenaar <bram@vim.org>
parents:
2338
diff
changeset
|
6793 strdisplaywidth({expr}[, {col}]) *strdisplaywidth()* |
|
01e4b4d37842
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Bram Moolenaar <bram@vim.org>
parents:
2338
diff
changeset
|
6794 The result is a Number, which is the number of display cells |
| 6884 | 6795 String {expr} occupies on the screen when it starts at {col}. |
|
2339
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Bram Moolenaar <bram@vim.org>
parents:
2338
diff
changeset
|
6796 When {col} is omitted zero is used. Otherwise it is the |
|
01e4b4d37842
Added strdisplaywidth() function.
Bram Moolenaar <bram@vim.org>
parents:
2338
diff
changeset
|
6797 screen column where to start. This matters for Tab |
|
01e4b4d37842
Added strdisplaywidth() function.
Bram Moolenaar <bram@vim.org>
parents:
2338
diff
changeset
|
6798 characters. |
|
2343
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parents:
2339
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changeset
|
6799 The option settings of the current window are used. This |
|
0703d2fd5749
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parents:
2339
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changeset
|
6800 matters for anything that's displayed differently, such as |
|
0703d2fd5749
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Bram Moolenaar <bram@vim.org>
parents:
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changeset
|
6801 'tabstop' and 'display'. |
|
2339
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parents:
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diff
changeset
|
6802 When {expr} contains characters with East Asian Width Class |
|
01e4b4d37842
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parents:
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changeset
|
6803 Ambiguous, this function's return value depends on 'ambiwidth'. |
|
01e4b4d37842
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Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
6804 Also see |strlen()|, |strwidth()| and |strchars()|. |
|
2338
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|
6805 |
| 7 | 6806 strftime({format} [, {time}]) *strftime()* |
| 6807 The result is a String, which is a formatted date and time, as | |
| 6808 specified by the {format} string. The given {time} is used, | |
| 6809 or the current time if no time is given. The accepted | |
| 6810 {format} depends on your system, thus this is not portable! | |
| 6811 See the manual page of the C function strftime() for the | |
| 6812 format. The maximum length of the result is 80 characters. | |
| 6813 See also |localtime()| and |getftime()|. | |
| 6814 The language can be changed with the |:language| command. | |
| 6815 Examples: > | |
| 6816 :echo strftime("%c") Sun Apr 27 11:49:23 1997 | |
| 6817 :echo strftime("%Y %b %d %X") 1997 Apr 27 11:53:25 | |
| 6818 :echo strftime("%y%m%d %T") 970427 11:53:55 | |
| 6819 :echo strftime("%H:%M") 11:55 | |
| 6820 :echo strftime("%c", getftime("file.c")) | |
| 6821 Show mod time of file.c. | |
| 82 | 6822 < Not available on all systems. To check use: > |
| 6823 :if exists("*strftime") | |
| 6824 | |
|
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8883
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|
6825 strgetchar({str}, {index}) *strgetchar()* |
|
0bdeaf7092bc
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parents:
8883
diff
changeset
|
6826 Get character {index} from {str}. This uses a character |
|
0bdeaf7092bc
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parents:
8883
diff
changeset
|
6827 index, not a byte index. Composing characters are considered |
|
0bdeaf7092bc
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8883
diff
changeset
|
6828 separate characters here. |
|
0bdeaf7092bc
commit https://github.com/vim/vim/commit/aa3b15dbebf333282503d6031e2f9ba6ee4398ed
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8883
diff
changeset
|
6829 Also see |strcharpart()| and |strchars()|. |
|
0bdeaf7092bc
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diff
changeset
|
6830 |
| 133 | 6831 stridx({haystack}, {needle} [, {start}]) *stridx()* |
| 6832 The result is a Number, which gives the byte index in | |
| 6833 {haystack} of the first occurrence of the String {needle}. | |
| 140 | 6834 If {start} is specified, the search starts at index {start}. |
| 6835 This can be used to find a second match: > | |
| 2662 | 6836 :let colon1 = stridx(line, ":") |
| 6837 :let colon2 = stridx(line, ":", colon1 + 1) | |
| 140 | 6838 < The search is done case-sensitive. |
| 205 | 6839 For pattern searches use |match()|. |
| 133 | 6840 -1 is returned if the {needle} does not occur in {haystack}. |
| 140 | 6841 See also |strridx()|. |
| 6842 Examples: > | |
| 7 | 6843 :echo stridx("An Example", "Example") 3 |
| 6844 :echo stridx("Starting point", "Start") 0 | |
| 6845 :echo stridx("Starting point", "start") -1 | |
| 856 | 6846 < *strstr()* *strchr()* |
| 170 | 6847 stridx() works similar to the C function strstr(). When used |
| 6848 with a single character it works similar to strchr(). | |
| 6849 | |
| 55 | 6850 *string()* |
| 95 | 6851 string({expr}) Return {expr} converted to a String. If {expr} is a Number, |
| 1621 | 6852 Float, String or a composition of them, then the result can be |
| 6853 parsed back with |eval()|. | |
| 55 | 6854 {expr} type result ~ |
|
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8738
diff
changeset
|
6855 String 'string' (single quotes are doubled) |
| 95 | 6856 Number 123 |
| 1621 | 6857 Float 123.123456 or 1.123456e8 |
| 99 | 6858 Funcref function('name') |
| 95 | 6859 List [item, item] |
| 323 | 6860 Dictionary {key: value, key: value} |
|
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|
6861 |
|
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changeset
|
6862 When a List or Dictionary has a recursive reference it is |
|
b1a19a2f73f0
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parents:
8738
diff
changeset
|
6863 replaced by "[...]" or "{...}". Using eval() on the result |
|
b1a19a2f73f0
commit https://github.com/vim/vim/commit/4f3f668c8486444e53163c29d2fc79bf47eb3c82
Christian Brabandt <cb@256bit.org>
parents:
8738
diff
changeset
|
6864 will then fail. |
|
b1a19a2f73f0
commit https://github.com/vim/vim/commit/4f3f668c8486444e53163c29d2fc79bf47eb3c82
Christian Brabandt <cb@256bit.org>
parents:
8738
diff
changeset
|
6865 |
| 1156 | 6866 Also see |strtrans()|. |
| 55 | 6867 |
| 7 | 6868 *strlen()* |
| 6869 strlen({expr}) The result is a Number, which is the length of the String | |
| 502 | 6870 {expr} in bytes. |
| 55 | 6871 If the argument is a Number it is first converted to a String. |
| 6872 For other types an error is given. | |
| 6870 | 6873 If you want to count the number of multi-byte characters use |
| 6874 |strchars()|. | |
| 6875 Also see |len()|, |strdisplaywidth()| and |strwidth()|. | |
| 7 | 6876 |
| 6877 strpart({src}, {start}[, {len}]) *strpart()* | |
| 6878 The result is a String, which is part of {src}, starting from | |
| 574 | 6879 byte {start}, with the byte length {len}. |
|
8951
0bdeaf7092bc
commit https://github.com/vim/vim/commit/aa3b15dbebf333282503d6031e2f9ba6ee4398ed
Christian Brabandt <cb@256bit.org>
parents:
8883
diff
changeset
|
6880 To count characters instead of bytes use |strcharpart()|. |
|
0bdeaf7092bc
commit https://github.com/vim/vim/commit/aa3b15dbebf333282503d6031e2f9ba6ee4398ed
Christian Brabandt <cb@256bit.org>
parents:
8883
diff
changeset
|
6881 |
|
0bdeaf7092bc
commit https://github.com/vim/vim/commit/aa3b15dbebf333282503d6031e2f9ba6ee4398ed
Christian Brabandt <cb@256bit.org>
parents:
8883
diff
changeset
|
6882 When bytes are selected which do not exist, this doesn't |
|
0bdeaf7092bc
commit https://github.com/vim/vim/commit/aa3b15dbebf333282503d6031e2f9ba6ee4398ed
Christian Brabandt <cb@256bit.org>
parents:
8883
diff
changeset
|
6883 result in an error, the bytes are simply omitted. |
| 7 | 6884 If {len} is missing, the copy continues from {start} till the |
| 6885 end of the {src}. > | |
| 6886 strpart("abcdefg", 3, 2) == "de" | |
| 6887 strpart("abcdefg", -2, 4) == "ab" | |
| 6888 strpart("abcdefg", 5, 4) == "fg" | |
| 1621 | 6889 strpart("abcdefg", 3) == "defg" |
|
8951
0bdeaf7092bc
commit https://github.com/vim/vim/commit/aa3b15dbebf333282503d6031e2f9ba6ee4398ed
Christian Brabandt <cb@256bit.org>
parents:
8883
diff
changeset
|
6890 |
| 7 | 6891 < Note: To get the first character, {start} must be 0. For |
| 6892 example, to get three bytes under and after the cursor: > | |
| 823 | 6893 strpart(getline("."), col(".") - 1, 3) |
| 7 | 6894 < |
| 140 | 6895 strridx({haystack}, {needle} [, {start}]) *strridx()* |
| 6896 The result is a Number, which gives the byte index in | |
| 6897 {haystack} of the last occurrence of the String {needle}. | |
| 6898 When {start} is specified, matches beyond this index are | |
| 6899 ignored. This can be used to find a match before a previous | |
| 6900 match: > | |
| 6901 :let lastcomma = strridx(line, ",") | |
| 6902 :let comma2 = strridx(line, ",", lastcomma - 1) | |
| 6903 < The search is done case-sensitive. | |
| 133 | 6904 For pattern searches use |match()|. |
| 6905 -1 is returned if the {needle} does not occur in {haystack}. | |
| 22 | 6906 If the {needle} is empty the length of {haystack} is returned. |
| 236 | 6907 See also |stridx()|. Examples: > |
| 7 | 6908 :echo strridx("an angry armadillo", "an") 3 |
| 856 | 6909 < *strrchr()* |
| 170 | 6910 When used with a single character it works similar to the C |
| 6911 function strrchr(). | |
| 6912 | |
| 7 | 6913 strtrans({expr}) *strtrans()* |
| 6914 The result is a String, which is {expr} with all unprintable | |
| 6915 characters translated into printable characters |'isprint'|. | |
| 6916 Like they are shown in a window. Example: > | |
| 6917 echo strtrans(@a) | |
| 6918 < This displays a newline in register a as "^@" instead of | |
| 6919 starting a new line. | |
| 6920 | |
|
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Added strwidth() and strchars() functions.
Bram Moolenaar <bram@vim.org>
parents:
2337
diff
changeset
|
6921 strwidth({expr}) *strwidth()* |
|
da6ec32d8d8f
Added strwidth() and strchars() functions.
Bram Moolenaar <bram@vim.org>
parents:
2337
diff
changeset
|
6922 The result is a Number, which is the number of display cells |
|
da6ec32d8d8f
Added strwidth() and strchars() functions.
Bram Moolenaar <bram@vim.org>
parents:
2337
diff
changeset
|
6923 String {expr} occupies. A Tab character is counted as one |
|
2339
01e4b4d37842
Added strdisplaywidth() function.
Bram Moolenaar <bram@vim.org>
parents:
2338
diff
changeset
|
6924 cell, alternatively use |strdisplaywidth()|. |
|
2338
da6ec32d8d8f
Added strwidth() and strchars() functions.
Bram Moolenaar <bram@vim.org>
parents:
2337
diff
changeset
|
6925 When {expr} contains characters with East Asian Width Class |
|
da6ec32d8d8f
Added strwidth() and strchars() functions.
Bram Moolenaar <bram@vim.org>
parents:
2337
diff
changeset
|
6926 Ambiguous, this function's return value depends on 'ambiwidth'. |
|
2339
01e4b4d37842
Added strdisplaywidth() function.
Bram Moolenaar <bram@vim.org>
parents:
2338
diff
changeset
|
6927 Also see |strlen()|, |strdisplaywidth()| and |strchars()|. |
|
2338
da6ec32d8d8f
Added strwidth() and strchars() functions.
Bram Moolenaar <bram@vim.org>
parents:
2337
diff
changeset
|
6928 |
| 5794 | 6929 submatch({nr}[, {list}]) *submatch()* |
| 2908 | 6930 Only for an expression in a |:substitute| command or |
| 6931 substitute() function. | |
| 6932 Returns the {nr}'th submatch of the matched text. When {nr} | |
| 6933 is 0 the whole matched text is returned. | |
| 5794 | 6934 Note that a NL in the string can stand for a line break of a |
| 6935 multi-line match or a NUL character in the text. | |
| 2908 | 6936 Also see |sub-replace-expression|. |
| 5794 | 6937 |
| 6938 If {list} is present and non-zero then submatch() returns | |
| 6939 a list of strings, similar to |getline()| with two arguments. | |
| 6940 NL characters in the text represent NUL characters in the | |
| 6941 text. | |
| 6942 Only returns more than one item for |:substitute|, inside | |
| 6943 |substitute()| this list will always contain one or zero | |
| 6944 items, since there are no real line breaks. | |
| 6945 | |
| 7 | 6946 Example: > |
| 6947 :s/\d\+/\=submatch(0) + 1/ | |
| 6948 < This finds the first number in the line and adds one to it. | |
| 6949 A line break is included as a newline character. | |
| 6950 | |
| 6951 substitute({expr}, {pat}, {sub}, {flags}) *substitute()* | |
| 6952 The result is a String, which is a copy of {expr}, in which | |
| 2908 | 6953 the first match of {pat} is replaced with {sub}. |
| 6954 When {flags} is "g", all matches of {pat} in {expr} are | |
| 6955 replaced. Otherwise {flags} should be "". | |
| 6956 | |
| 6957 This works like the ":substitute" command (without any flags). | |
| 6958 But the matching with {pat} is always done like the 'magic' | |
| 6959 option is set and 'cpoptions' is empty (to make scripts | |
| 3967 | 6960 portable). 'ignorecase' is still relevant, use |/\c| or |/\C| |
| 6961 if you want to ignore or match case and ignore 'ignorecase'. | |
| 6962 'smartcase' is not used. See |string-match| for how {pat} is | |
| 6963 used. | |
| 2908 | 6964 |
| 6965 A "~" in {sub} is not replaced with the previous {sub}. | |
| 7 | 6966 Note that some codes in {sub} have a special meaning |
| 1621 | 6967 |sub-replace-special|. For example, to replace something with |
| 7 | 6968 "\n" (two characters), use "\\\\n" or '\\n'. |
| 2908 | 6969 |
| 7 | 6970 When {pat} does not match in {expr}, {expr} is returned |
| 6971 unmodified. | |
| 2908 | 6972 |
| 7 | 6973 Example: > |
| 6974 :let &path = substitute(&path, ",\\=[^,]*$", "", "") | |
| 6975 < This removes the last component of the 'path' option. > | |
| 6976 :echo substitute("testing", ".*", "\\U\\0", "") | |
| 6977 < results in "TESTING". | |
| 2908 | 6978 |
| 6979 When {sub} starts with "\=", the remainder is interpreted as | |
| 6980 an expression. See |sub-replace-expression|. Example: > | |
| 2833 | 6981 :echo substitute(s, '%\(\x\x\)', |
| 6982 \ '\=nr2char("0x" . submatch(1))', 'g') | |
| 7 | 6983 |
| 32 | 6984 synID({lnum}, {col}, {trans}) *synID()* |
| 7 | 6985 The result is a Number, which is the syntax ID at the position |
| 32 | 6986 {lnum} and {col} in the current window. |
| 7 | 6987 The syntax ID can be used with |synIDattr()| and |
| 6988 |synIDtrans()| to obtain syntax information about text. | |
| 419 | 6989 |
| 32 | 6990 {col} is 1 for the leftmost column, {lnum} is 1 for the first |
| 419 | 6991 line. 'synmaxcol' applies, in a longer line zero is returned. |
|
7147
c590de398af9
commit https://github.com/vim/vim/commit/ca63501fbcd1cf9c8aa9ff12c093c95b62a89ed7
Christian Brabandt <cb@256bit.org>
parents:
7100
diff
changeset
|
6992 Note that when the position is after the last character, |
|
c590de398af9
commit https://github.com/vim/vim/commit/ca63501fbcd1cf9c8aa9ff12c093c95b62a89ed7
Christian Brabandt <cb@256bit.org>
parents:
7100
diff
changeset
|
6993 that's where the cursor can be in Insert mode, synID() returns |
|
c590de398af9
commit https://github.com/vim/vim/commit/ca63501fbcd1cf9c8aa9ff12c093c95b62a89ed7
Christian Brabandt <cb@256bit.org>
parents:
7100
diff
changeset
|
6994 zero. |
| 419 | 6995 |
| 7 | 6996 When {trans} is non-zero, transparent items are reduced to the |
| 1621 | 6997 item that they reveal. This is useful when wanting to know |
| 7 | 6998 the effective color. When {trans} is zero, the transparent |
| 6999 item is returned. This is useful when wanting to know which | |
| 7000 syntax item is effective (e.g. inside parens). | |
| 7001 Warning: This function can be very slow. Best speed is | |
| 7002 obtained by going through the file in forward direction. | |
| 7003 | |
| 7004 Example (echoes the name of the syntax item under the cursor): > | |
| 7005 :echo synIDattr(synID(line("."), col("."), 1), "name") | |
| 7006 < | |
|
2401
e7751177126b
Add the synconcealed() function and use it for :TOhtml. (Benjamin Fritz)
Bram Moolenaar <bram@vim.org>
parents:
2350
diff
changeset
|
7007 |
| 7 | 7008 synIDattr({synID}, {what} [, {mode}]) *synIDattr()* |
| 7009 The result is a String, which is the {what} attribute of | |
| 7010 syntax ID {synID}. This can be used to obtain information | |
| 7011 about a syntax item. | |
| 7012 {mode} can be "gui", "cterm" or "term", to get the attributes | |
| 1621 | 7013 for that mode. When {mode} is omitted, or an invalid value is |
| 7 | 7014 used, the attributes for the currently active highlighting are |
| 7015 used (GUI, cterm or term). | |
| 7016 Use synIDtrans() to follow linked highlight groups. | |
| 7017 {what} result | |
| 7018 "name" the name of the syntax item | |
| 7019 "fg" foreground color (GUI: color name used to set | |
| 7020 the color, cterm: color number as a string, | |
| 7021 term: empty string) | |
| 1755 | 7022 "bg" background color (as with "fg") |
|
2106
15674e198164
updated for version 7.2.389
Bram Moolenaar <bram@zimbu.org>
parents:
2072
diff
changeset
|
7023 "font" font name (only available in the GUI) |
|
15674e198164
updated for version 7.2.389
Bram Moolenaar <bram@zimbu.org>
parents:
2072
diff
changeset
|
7024 |highlight-font| |
| 1755 | 7025 "sp" special color (as with "fg") |highlight-guisp| |
| 7 | 7026 "fg#" like "fg", but for the GUI and the GUI is |
| 7027 running the name in "#RRGGBB" form | |
| 7028 "bg#" like "fg#" for "bg" | |
| 1755 | 7029 "sp#" like "fg#" for "sp" |
| 7 | 7030 "bold" "1" if bold |
| 7031 "italic" "1" if italic | |
| 7032 "reverse" "1" if reverse | |
| 7033 "inverse" "1" if inverse (= reverse) | |
|
2106
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updated for version 7.2.389
Bram Moolenaar <bram@zimbu.org>
parents:
2072
diff
changeset
|
7034 "standout" "1" if standout |
| 7 | 7035 "underline" "1" if underlined |
| 205 | 7036 "undercurl" "1" if undercurled |
| 7 | 7037 |
| 7038 Example (echoes the color of the syntax item under the | |
| 7039 cursor): > | |
| 7040 :echo synIDattr(synIDtrans(synID(line("."), col("."), 1)), "fg") | |
| 7041 < | |
| 7042 synIDtrans({synID}) *synIDtrans()* | |
| 7043 The result is a Number, which is the translated syntax ID of | |
| 7044 {synID}. This is the syntax group ID of what is being used to | |
| 7045 highlight the character. Highlight links given with | |
| 7046 ":highlight link" are followed. | |
| 7047 | |
|
2608
7d8af31066c8
Updated runtime files and translations.
Bram Moolenaar <bram@vim.org>
parents:
2596
diff
changeset
|
7048 synconcealed({lnum}, {col}) *synconcealed()* |
|
7d8af31066c8
Updated runtime files and translations.
Bram Moolenaar <bram@vim.org>
parents:
2596
diff
changeset
|
7049 The result is a List. The first item in the list is 0 if the |
|
7d8af31066c8
Updated runtime files and translations.
Bram Moolenaar <bram@vim.org>
parents:
2596
diff
changeset
|
7050 character at the position {lnum} and {col} is not part of a |
|
7d8af31066c8
Updated runtime files and translations.
Bram Moolenaar <bram@vim.org>
parents:
2596
diff
changeset
|
7051 concealable region, 1 if it is. The second item in the list is |
|
7d8af31066c8
Updated runtime files and translations.
Bram Moolenaar <bram@vim.org>
parents:
2596
diff
changeset
|
7052 a string. If the first item is 1, the second item contains the |
|
7d8af31066c8
Updated runtime files and translations.
Bram Moolenaar <bram@vim.org>
parents:
2596
diff
changeset
|
7053 text which will be displayed in place of the concealed text, |
|
7d8af31066c8
Updated runtime files and translations.
Bram Moolenaar <bram@vim.org>
parents:
2596
diff
changeset
|
7054 depending on the current setting of 'conceallevel'. The third |
|
7d8af31066c8
Updated runtime files and translations.
Bram Moolenaar <bram@vim.org>
parents:
2596
diff
changeset
|
7055 and final item in the list is a unique number representing the |
|
7d8af31066c8
Updated runtime files and translations.
Bram Moolenaar <bram@vim.org>
parents:
2596
diff
changeset
|
7056 specific syntax region matched. This allows detection of the |
|
7d8af31066c8
Updated runtime files and translations.
Bram Moolenaar <bram@vim.org>
parents:
2596
diff
changeset
|
7057 beginning of a new concealable region if there are two |
|
7d8af31066c8
Updated runtime files and translations.
Bram Moolenaar <bram@vim.org>
parents:
2596
diff
changeset
|
7058 consecutive regions with the same replacement character. |
|
7d8af31066c8
Updated runtime files and translations.
Bram Moolenaar <bram@vim.org>
parents:
2596
diff
changeset
|
7059 For an example use see $VIMRUNTIME/syntax/2html.vim . |
|
7d8af31066c8
Updated runtime files and translations.
Bram Moolenaar <bram@vim.org>
parents:
2596
diff
changeset
|
7060 |
|
7d8af31066c8
Updated runtime files and translations.
Bram Moolenaar <bram@vim.org>
parents:
2596
diff
changeset
|
7061 |
| 1500 | 7062 synstack({lnum}, {col}) *synstack()* |
| 7063 Return a |List|, which is the stack of syntax items at the | |
| 7064 position {lnum} and {col} in the current window. Each item in | |
| 7065 the List is an ID like what |synID()| returns. | |
| 7066 The first item in the List is the outer region, following are | |
| 7067 items contained in that one. The last one is what |synID()| | |
| 7068 returns, unless not the whole item is highlighted or it is a | |
| 7069 transparent item. | |
| 7070 This function is useful for debugging a syntax file. | |
| 7071 Example that shows the syntax stack under the cursor: > | |
| 7072 for id in synstack(line("."), col(".")) | |
| 7073 echo synIDattr(id, "name") | |
| 7074 endfor | |
|
2290
22529abcd646
Fixed ":s" message. Docs updates.
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
7075 < When the position specified with {lnum} and {col} is invalid |
|
22529abcd646
Fixed ":s" message. Docs updates.
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
7076 nothing is returned. The position just after the last |
|
22529abcd646
Fixed ":s" message. Docs updates.
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
7077 character in a line and the first column in an empty line are |
|
22529abcd646
Fixed ":s" message. Docs updates.
Bram Moolenaar <bram@vim.org>
parents:
2281
diff
changeset
|
7078 valid positions. |
| 1500 | 7079 |
| 24 | 7080 system({expr} [, {input}]) *system()* *E677* |
| 5808 | 7081 Get the output of the shell command {expr} as a string. See |
| 7082 |systemlist()| to get the output as a List. | |
| 5806 | 7083 |
| 7084 When {input} is given and is a string this string is written | |
| 7085 to a file and passed as stdin to the command. The string is | |
| 7086 written as-is, you need to take care of using the correct line | |
| 7087 separators yourself. | |
| 7088 If {input} is given and is a |List| it is written to the file | |
| 7089 in a way |writefile()| does with {binary} set to "b" (i.e. | |
| 7090 with a newline between each list item with newlines inside | |
| 7091 list items converted to NULs). | |
| 7092 Pipes are not used. | |
| 7093 | |
| 6183 | 7094 When prepended by |:silent| the shell will not be set to |
| 7095 cooked mode. This is meant to be used for commands that do | |
| 7096 not need the user to type. It avoids stray characters showing | |
| 7097 up on the screen which require |CTRL-L| to remove. > | |
| 7098 :silent let f = system('ls *.vim') | |
| 7099 < | |
| 5690 | 7100 Note: Use |shellescape()| or |::S| with |expand()| or |
| 7101 |fnamemodify()| to escape special characters in a command | |
| 7102 argument. Newlines in {expr} may cause the command to fail. | |
| 7103 The characters in 'shellquote' and 'shellxquote' may also | |
| 7104 cause trouble. | |
| 7 | 7105 This is not to be used for interactive commands. |
| 1661 | 7106 |
| 7 | 7107 The result is a String. Example: > |
| 1661 | 7108 :let files = system("ls " . shellescape(expand('%:h'))) |
| 5690 | 7109 :let files = system('ls ' . expand('%:h:S')) |
| 7 | 7110 |
| 7111 < To make the result more system-independent, the shell output | |
| 7112 is filtered to replace <CR> with <NL> for Macintosh, and | |
| 7113 <CR><NL> with <NL> for DOS-like systems. | |
| 5277 | 7114 To avoid the string being truncated at a NUL, all NUL |
| 7115 characters are replaced with SOH (0x01). | |
| 7116 | |
| 7 | 7117 The command executed is constructed using several options: |
| 7118 'shell' 'shellcmdflag' 'shellxquote' {expr} 'shellredir' {tmp} 'shellxquote' | |
| 7119 ({tmp} is an automatically generated file name). | |
| 7120 For Unix and OS/2 braces are put around {expr} to allow for | |
| 7121 concatenated commands. | |
| 7122 | |
| 794 | 7123 The command will be executed in "cooked" mode, so that a |
| 7124 CTRL-C will interrupt the command (on Unix at least). | |
| 7125 | |
| 7 | 7126 The resulting error code can be found in |v:shell_error|. |
| 7127 This function will fail in |restricted-mode|. | |
| 625 | 7128 |
| 7129 Note that any wrong value in the options mentioned above may | |
| 7130 make the function fail. It has also been reported to fail | |
| 7131 when using a security agent application. | |
| 7 | 7132 Unlike ":!cmd" there is no automatic check for changed files. |
| 7133 Use |:checktime| to force a check. | |
| 7134 | |
| 205 | 7135 |
| 5808 | 7136 systemlist({expr} [, {input}]) *systemlist()* |
| 7137 Same as |system()|, but returns a |List| with lines (parts of | |
| 7138 output separated by NL) with NULs transformed into NLs. Output | |
| 7139 is the same as |readfile()| will output with {binary} argument | |
| 7140 set to "b". | |
| 7141 | |
|
8577
63dc856bd13d
commit https://github.com/vim/vim/commit/975b5271eed4fa0500c24a8f37be0b1797cb9db7
Christian Brabandt <cb@256bit.org>
parents:
8538
diff
changeset
|
7142 Returns an empty string on error. |
| 5808 | 7143 |
| 7144 | |
| 677 | 7145 tabpagebuflist([{arg}]) *tabpagebuflist()* |
| 685 | 7146 The result is a |List|, where each item is the number of the |
| 677 | 7147 buffer associated with each window in the current tab page. |
| 7148 {arg} specifies the number of tab page to be used. When | |
| 7149 omitted the current tab page is used. | |
| 7150 When {arg} is invalid the number zero is returned. | |
| 7151 To get a list of all buffers in all tabs use this: > | |
| 3445 | 7152 let buflist = [] |
| 677 | 7153 for i in range(tabpagenr('$')) |
| 3445 | 7154 call extend(buflist, tabpagebuflist(i + 1)) |
| 677 | 7155 endfor |
| 7156 < Note that a buffer may appear in more than one window. | |
| 7157 | |
| 7158 | |
| 7159 tabpagenr([{arg}]) *tabpagenr()* | |
| 674 | 7160 The result is a Number, which is the number of the current |
| 7161 tab page. The first tab page has number 1. | |
| 7162 When the optional argument is "$", the number of the last tab | |
| 7163 page is returned (the tab page count). | |
| 7164 The number can be used with the |:tab| command. | |
| 7165 | |
| 7166 | |
| 5763 | 7167 tabpagewinnr({tabarg} [, {arg}]) *tabpagewinnr()* |
|
2569
f612f6b0b883
Docs fix for tabpagewinnr(). (Sylvain Hitier)
Bram Moolenaar <bram@vim.org>
parents:
2561
diff
changeset
|
7168 Like |winnr()| but for tab page {tabarg}. |
| 677 | 7169 {tabarg} specifies the number of tab page to be used. |
| 7170 {arg} is used like with |winnr()|: | |
| 7171 - When omitted the current window number is returned. This is | |
| 7172 the window which will be used when going to this tab page. | |
| 7173 - When "$" the number of windows is returned. | |
| 7174 - When "#" the previous window nr is returned. | |
| 7175 Useful examples: > | |
| 7176 tabpagewinnr(1) " current window of tab page 1 | |
| 7177 tabpagewinnr(4, '$') " number of windows in tab page 4 | |
| 7178 < When {tabarg} is invalid zero is returned. | |
| 7179 | |
| 805 | 7180 *tagfiles()* |
| 7181 tagfiles() Returns a |List| with the file names used to search for tags | |
| 7182 for the current buffer. This is the 'tags' option expanded. | |
| 7183 | |
| 7184 | |
| 205 | 7185 taglist({expr}) *taglist()* |
| 7186 Returns a list of tags matching the regular expression {expr}. | |
| 438 | 7187 Each list item is a dictionary with at least the following |
| 7188 entries: | |
| 648 | 7189 name Name of the tag. |
| 7190 filename Name of the file where the tag is | |
| 1156 | 7191 defined. It is either relative to the |
| 7192 current directory or a full path. | |
| 205 | 7193 cmd Ex command used to locate the tag in |
| 7194 the file. | |
| 648 | 7195 kind Type of the tag. The value for this |
| 205 | 7196 entry depends on the language specific |
| 1156 | 7197 kind values. Only available when |
| 7198 using a tags file generated by | |
| 7199 Exuberant ctags or hdrtag. | |
| 648 | 7200 static A file specific tag. Refer to |
| 205 | 7201 |static-tag| for more information. |
| 1156 | 7202 More entries may be present, depending on the content of the |
| 7203 tags file: access, implementation, inherits and signature. | |
| 7204 Refer to the ctags documentation for information about these | |
| 7205 fields. For C code the fields "struct", "class" and "enum" | |
| 7206 may appear, they give the name of the entity the tag is | |
| 7207 contained in. | |
| 452 | 7208 |
| 216 | 7209 The ex-command 'cmd' can be either an ex search pattern, a |
| 7210 line number or a line number followed by a byte number. | |
| 205 | 7211 |
| 7212 If there are no matching tags, then an empty list is returned. | |
| 7213 | |
| 7214 To get an exact tag match, the anchors '^' and '$' should be | |
| 4073 | 7215 used in {expr}. This also make the function work faster. |
| 7216 Refer to |tag-regexp| for more information about the tag | |
| 7217 search regular expression pattern. | |
| 205 | 7218 |
| 7219 Refer to |'tags'| for information about how the tags file is | |
| 7220 located by Vim. Refer to |tags-file-format| for the format of | |
| 7221 the tags file generated by the different ctags tools. | |
| 7222 | |
|
2206
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
7223 tan({expr}) *tan()* |
|
2337
a0f87fc19d1d
Better conceal in help. (partly by Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents:
2320
diff
changeset
|
7224 Return the tangent of {expr}, measured in radians, as a |Float| |
|
2206
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Add extra floating point functions.
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parents:
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diff
changeset
|
7225 in the range [-inf, inf]. |
|
2337
a0f87fc19d1d
Better conceal in help. (partly by Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents:
2320
diff
changeset
|
7226 {expr} must evaluate to a |Float| or a |Number|. |
|
2206
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Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
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2154
diff
changeset
|
7227 Examples: > |
|
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
7228 :echo tan(10) |
|
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
7229 < 0.648361 > |
|
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
7230 :echo tan(-4.01) |
|
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
7231 < -1.181502 |
|
2570
71b56b4e7785
Make the references to features in the help more consistent. (Sylvain Hitier)
Bram Moolenaar <bram@vim.org>
parents:
2569
diff
changeset
|
7232 {only available when compiled with the |+float| feature} |
|
2206
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
7233 |
|
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
7234 |
|
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
7235 tanh({expr}) *tanh()* |
|
2337
a0f87fc19d1d
Better conceal in help. (partly by Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents:
2320
diff
changeset
|
7236 Return the hyperbolic tangent of {expr} as a |Float| in the |
|
2206
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
7237 range [-1, 1]. |
|
2337
a0f87fc19d1d
Better conceal in help. (partly by Dominique Pelle)
Bram Moolenaar <bram@vim.org>
parents:
2320
diff
changeset
|
7238 {expr} must evaluate to a |Float| or a |Number|. |
|
2206
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
7239 Examples: > |
|
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
7240 :echo tanh(0.5) |
|
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
7241 < 0.462117 > |
|
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
7242 :echo tanh(-1) |
|
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
7243 < -0.761594 |
|
2570
71b56b4e7785
Make the references to features in the help more consistent. (Sylvain Hitier)
Bram Moolenaar <bram@vim.org>
parents:
2569
diff
changeset
|
7244 {only available when compiled with the |+float| feature} |
|
2206
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
7245 |
|
a8afba7027ae
Add extra floating point functions.
Bram Moolenaar <bram@vim.org>
parents:
2154
diff
changeset
|
7246 |
|
9108
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7247 tempname() *tempname()* *temp-file-name* |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7248 The result is a String, which is the name of a file that |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7249 doesn't exist. It can be used for a temporary file. The name |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7250 is different for at least 26 consecutive calls. Example: > |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7251 :let tmpfile = tempname() |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7252 :exe "redir > " . tmpfile |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7253 < For Unix, the file will be in a private directory |tempfile|. |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7254 For MS-Windows forward slashes are used when the 'shellslash' |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7255 option is set or when 'shellcmdflag' starts with '-'. |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7256 |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7257 |
|
9121
7350959e53c3
commit https://github.com/vim/vim/commit/8e8df251bf2505e5decf258397c6069fbe5e2e01
Christian Brabandt <cb@256bit.org>
parents:
9117
diff
changeset
|
7258 test_alloc_fail({id}, {countdown}, {repeat}) *test_alloc_fail()* |
|
7350959e53c3
commit https://github.com/vim/vim/commit/8e8df251bf2505e5decf258397c6069fbe5e2e01
Christian Brabandt <cb@256bit.org>
parents:
9117
diff
changeset
|
7259 This is for testing: If the memory allocation with {id} is |
|
7350959e53c3
commit https://github.com/vim/vim/commit/8e8df251bf2505e5decf258397c6069fbe5e2e01
Christian Brabandt <cb@256bit.org>
parents:
9117
diff
changeset
|
7260 called, then decrement {countdown}, and when it reaches zero |
|
7350959e53c3
commit https://github.com/vim/vim/commit/8e8df251bf2505e5decf258397c6069fbe5e2e01
Christian Brabandt <cb@256bit.org>
parents:
9117
diff
changeset
|
7261 let memory allocation fail {repeat} times. When {repeat} is |
|
7350959e53c3
commit https://github.com/vim/vim/commit/8e8df251bf2505e5decf258397c6069fbe5e2e01
Christian Brabandt <cb@256bit.org>
parents:
9117
diff
changeset
|
7262 smaller than one it fails one time. |
|
7350959e53c3
commit https://github.com/vim/vim/commit/8e8df251bf2505e5decf258397c6069fbe5e2e01
Christian Brabandt <cb@256bit.org>
parents:
9117
diff
changeset
|
7263 |
|
7350959e53c3
commit https://github.com/vim/vim/commit/8e8df251bf2505e5decf258397c6069fbe5e2e01
Christian Brabandt <cb@256bit.org>
parents:
9117
diff
changeset
|
7264 |
|
7350959e53c3
commit https://github.com/vim/vim/commit/8e8df251bf2505e5decf258397c6069fbe5e2e01
Christian Brabandt <cb@256bit.org>
parents:
9117
diff
changeset
|
7265 *test_disable_char_avail()* |
|
7350959e53c3
commit https://github.com/vim/vim/commit/8e8df251bf2505e5decf258397c6069fbe5e2e01
Christian Brabandt <cb@256bit.org>
parents:
9117
diff
changeset
|
7266 test_disable_char_avail({expr}) |
|
7350959e53c3
commit https://github.com/vim/vim/commit/8e8df251bf2505e5decf258397c6069fbe5e2e01
Christian Brabandt <cb@256bit.org>
parents:
9117
diff
changeset
|
7267 When {expr} is 1 the internal char_avail() function will |
|
7350959e53c3
commit https://github.com/vim/vim/commit/8e8df251bf2505e5decf258397c6069fbe5e2e01
Christian Brabandt <cb@256bit.org>
parents:
9117
diff
changeset
|
7268 return FALSE. When {expr} is 0 the char_avail() function will |
|
7350959e53c3
commit https://github.com/vim/vim/commit/8e8df251bf2505e5decf258397c6069fbe5e2e01
Christian Brabandt <cb@256bit.org>
parents:
9117
diff
changeset
|
7269 function normally. |
|
7350959e53c3
commit https://github.com/vim/vim/commit/8e8df251bf2505e5decf258397c6069fbe5e2e01
Christian Brabandt <cb@256bit.org>
parents:
9117
diff
changeset
|
7270 Only use this for a test where typeahead causes the test not |
|
7350959e53c3
commit https://github.com/vim/vim/commit/8e8df251bf2505e5decf258397c6069fbe5e2e01
Christian Brabandt <cb@256bit.org>
parents:
9117
diff
changeset
|
7271 to work. E.g., to trigger the CursorMovedI autocommand event. |
|
7350959e53c3
commit https://github.com/vim/vim/commit/8e8df251bf2505e5decf258397c6069fbe5e2e01
Christian Brabandt <cb@256bit.org>
parents:
9117
diff
changeset
|
7272 |
|
9108
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7273 test_garbagecollect_now() *test_garbagecollect_now()* |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7274 Like garbagecollect(), but executed right away. This must |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7275 only be called directly to avoid any structure to exist |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7276 internally, and |v:testing| must have been set before calling |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7277 any function. |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7278 |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7279 test_null_channel() *test_null_channel()* |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7280 Return a Channel that is null. Only useful for testing. |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7281 {only available when compiled with the +channel feature} |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7282 |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7283 test_null_dict() *test_null_dict()* |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7284 Return a Dict that is null. Only useful for testing. |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7285 |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
7286 test_null_job() *test_null_job()* |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
7287 Return a Job that is null. Only useful for testing. |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
7288 {only available when compiled with the +job feature} |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
9104
diff
changeset
|
7289 |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
7290 test_null_list() *test_null_list()* |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
7291 Return a List that is null. Only useful for testing. |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
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parents:
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changeset
|
7292 |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
7293 test_null_partial() *test_null_partial()* |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
7294 Return a Partial that is null. Only useful for testing. |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
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parents:
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changeset
|
7295 |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
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parents:
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diff
changeset
|
7296 test_null_string() *test_null_string()* |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
7297 Return a String that is null. Only useful for testing. |
|
d319453f62b3
commit https://github.com/vim/vim/commit/574860b5ee9da281c875dad07a607454e135eaee
Christian Brabandt <cb@256bit.org>
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changeset
|
7298 |
|
9286
64035abb986b
commit https://github.com/vim/vim/commit/c95a302a4c42ec8230473cd4a5e0064d0a143aa8
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parents:
9223
diff
changeset
|
7299 test_settime({expr}) *test_settime()* |
|
64035abb986b
commit https://github.com/vim/vim/commit/c95a302a4c42ec8230473cd4a5e0064d0a143aa8
Christian Brabandt <cb@256bit.org>
parents:
9223
diff
changeset
|
7300 Set the time Vim uses internally. Currently only used for |
|
64035abb986b
commit https://github.com/vim/vim/commit/c95a302a4c42ec8230473cd4a5e0064d0a143aa8
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parents:
9223
diff
changeset
|
7301 timestamps in the history, as they are used in viminfo. |
|
64035abb986b
commit https://github.com/vim/vim/commit/c95a302a4c42ec8230473cd4a5e0064d0a143aa8
Christian Brabandt <cb@256bit.org>
parents:
9223
diff
changeset
|
7302 {expr} must evaluate to a number. When the value is zero the |
|
64035abb986b
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parents:
9223
diff
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|
7303 normal behavior is restored. |
|
9108
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parents:
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|
7304 |
|
8577
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diff
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|
7305 *timer_start()* |
|
63dc856bd13d
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diff
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|
7306 timer_start({time}, {callback} [, {options}]) |
|
63dc856bd13d
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diff
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|
7307 Create a timer and return the timer ID. |
|
63dc856bd13d
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diff
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|
7308 |
|
63dc856bd13d
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diff
changeset
|
7309 {time} is the waiting time in milliseconds. This is the |
|
63dc856bd13d
commit https://github.com/vim/vim/commit/975b5271eed4fa0500c24a8f37be0b1797cb9db7
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parents:
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diff
changeset
|
7310 minimum time before invoking the callback. When the system is |
|
63dc856bd13d
commit https://github.com/vim/vim/commit/975b5271eed4fa0500c24a8f37be0b1797cb9db7
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diff
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|
7311 busy or Vim is not waiting for input the time will be longer. |
|
63dc856bd13d
commit https://github.com/vim/vim/commit/975b5271eed4fa0500c24a8f37be0b1797cb9db7
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diff
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|
7312 |
|
63dc856bd13d
commit https://github.com/vim/vim/commit/975b5271eed4fa0500c24a8f37be0b1797cb9db7
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parents:
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diff
changeset
|
7313 {callback} is the function to call. It can be the name of a |
|
63dc856bd13d
commit https://github.com/vim/vim/commit/975b5271eed4fa0500c24a8f37be0b1797cb9db7
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diff
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|
7314 function or a Funcref. It is called with one argument, which |
|
63dc856bd13d
commit https://github.com/vim/vim/commit/975b5271eed4fa0500c24a8f37be0b1797cb9db7
Christian Brabandt <cb@256bit.org>
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diff
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|
7315 is the timer ID. The callback is only invoked when Vim is |
|
63dc856bd13d
commit https://github.com/vim/vim/commit/975b5271eed4fa0500c24a8f37be0b1797cb9db7
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
7316 waiting for input. |
|
63dc856bd13d
commit https://github.com/vim/vim/commit/975b5271eed4fa0500c24a8f37be0b1797cb9db7
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|
7317 |
|
63dc856bd13d
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|
7318 {options} is a dictionary. Supported entries: |
|
63dc856bd13d
commit https://github.com/vim/vim/commit/975b5271eed4fa0500c24a8f37be0b1797cb9db7
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diff
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|
7319 "repeat" Number of times to repeat calling the |
|
8883
b7de875169e6
commit https://github.com/vim/vim/commit/81edd171a9465cf99cede4fa4a7b7bca3d538b0f
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|
7320 callback. -1 means forever. |
|
8577
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|
7321 |
|
63dc856bd13d
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|
7322 Example: > |
|
63dc856bd13d
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|
7323 func MyHandler(timer) |
|
63dc856bd13d
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7324 echo 'Handler called' |
|
63dc856bd13d
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|
7325 endfunc |
|
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|
7326 let timer = timer_start(500, 'MyHandler', |
|
63dc856bd13d
commit https://github.com/vim/vim/commit/975b5271eed4fa0500c24a8f37be0b1797cb9db7
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|
7327 \ {'repeat': 3}) |
|
63dc856bd13d
commit https://github.com/vim/vim/commit/975b5271eed4fa0500c24a8f37be0b1797cb9db7
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|
7328 < This will invoke MyHandler() three times at 500 msec |
|
63dc856bd13d
commit https://github.com/vim/vim/commit/975b5271eed4fa0500c24a8f37be0b1797cb9db7
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parents:
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diff
changeset
|
7329 intervals. |
|
63dc856bd13d
commit https://github.com/vim/vim/commit/975b5271eed4fa0500c24a8f37be0b1797cb9db7
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
7330 {only available when compiled with the |+timers| feature} |
|
63dc856bd13d
commit https://github.com/vim/vim/commit/975b5271eed4fa0500c24a8f37be0b1797cb9db7
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|
7331 |
|
8669
06848fe9c816
commit https://github.com/vim/vim/commit/03602ec28ed25739e88b2c835adb0662d3720bb2
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parents:
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diff
changeset
|
7332 timer_stop({timer}) *timer_stop()* |
|
9097
071f9da012fb
commit https://github.com/vim/vim/commit/06d2d38ab7564e1f784b1058a4ef4580cd6d1810
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
7333 Stop a timer. The timer callback will no longer be invoked. |
|
071f9da012fb
commit https://github.com/vim/vim/commit/06d2d38ab7564e1f784b1058a4ef4580cd6d1810
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
7334 {timer} is an ID returned by timer_start(), thus it must be a |
|
071f9da012fb
commit https://github.com/vim/vim/commit/06d2d38ab7564e1f784b1058a4ef4580cd6d1810
Christian Brabandt <cb@256bit.org>
parents:
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|
7335 Number. |
|
8669
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commit https://github.com/vim/vim/commit/03602ec28ed25739e88b2c835adb0662d3720bb2
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parents:
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diff
changeset
|
7336 |
| 7 | 7337 tolower({expr}) *tolower()* |
| 7338 The result is a copy of the String given, with all uppercase | |
| 7339 characters turned into lowercase (just like applying |gu| to | |
| 7340 the string). | |
| 7341 | |
| 7342 toupper({expr}) *toupper()* | |
| 7343 The result is a copy of the String given, with all lowercase | |
| 7344 characters turned into uppercase (just like applying |gU| to | |
| 7345 the string). | |
| 7346 | |
| 15 | 7347 tr({src}, {fromstr}, {tostr}) *tr()* |
| 7348 The result is a copy of the {src} string with all characters | |
| 7349 which appear in {fromstr} replaced by the character in that | |
| 7350 position in the {tostr} string. Thus the first character in | |
| 7351 {fromstr} is translated into the first character in {tostr} | |
| 7352 and so on. Exactly like the unix "tr" command. | |
| 7353 This code also deals with multibyte characters properly. | |
| 7354 | |
| 7355 Examples: > | |
| 7356 echo tr("hello there", "ht", "HT") | |
| 7357 < returns "Hello THere" > | |
| 7358 echo tr("<blob>", "<>", "{}") | |
| 7359 < returns "{blob}" | |
| 7360 | |
| 1621 | 7361 trunc({expr}) *trunc()* |
| 1668 | 7362 Return the largest integral value with magnitude less than or |
| 1621 | 7363 equal to {expr} as a |Float| (truncate towards zero). |
| 7364 {expr} must evaluate to a |Float| or a |Number|. | |
| 7365 Examples: > | |
| 7366 echo trunc(1.456) | |
| 7367 < 1.0 > | |
| 7368 echo trunc(-5.456) | |
| 7369 < -5.0 > | |
| 7370 echo trunc(4.0) | |
| 7371 < 4.0 | |
| 7372 {only available when compiled with the |+float| feature} | |
| 7373 | |
| 87 | 7374 *type()* |
| 7375 type({expr}) The result is a Number, depending on the type of {expr}: | |
| 153 | 7376 Number: 0 |
| 7377 String: 1 | |
| 7378 Funcref: 2 | |
| 7379 List: 3 | |
| 7380 Dictionary: 4 | |
| 1621 | 7381 Float: 5 |
|
7742
5f6f35a3cb12
commit https://github.com/vim/vim/commit/705ada1aff27ecd9c47c690df817d043c2ceb5e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
7382 Boolean: 6 (v:false and v:true) |
|
5f6f35a3cb12
commit https://github.com/vim/vim/commit/705ada1aff27ecd9c47c690df817d043c2ceb5e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
7383 None 7 (v:null and v:none) |
|
7957
b74549818500
commit https://github.com/vim/vim/commit/835dc636a5350f610b62f110227d2363b5b2880a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
7384 Job 8 |
|
8061
abd64cf67bcf
commit https://github.com/vim/vim/commit/38a55639d603823efcf2d2fdf542dbffdeb60b75
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
7385 Channel 9 |
| 153 | 7386 To avoid the magic numbers it should be used this way: > |
| 87 | 7387 :if type(myvar) == type(0) |
| 7388 :if type(myvar) == type("") | |
| 7389 :if type(myvar) == type(function("tr")) | |
| 7390 :if type(myvar) == type([]) | |
| 153 | 7391 :if type(myvar) == type({}) |
| 1621 | 7392 :if type(myvar) == type(0.0) |
|
7742
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parents:
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diff
changeset
|
7393 :if type(myvar) == type(v:false) |
|
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
8019
diff
changeset
|
7394 :if type(myvar) == type(v:none) |
| 7 | 7395 |
|
2236
dc2e5ec0500d
Added the undofile() function. Updated runtime files.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
7396 undofile({name}) *undofile()* |
|
dc2e5ec0500d
Added the undofile() function. Updated runtime files.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
7397 Return the name of the undo file that would be used for a file |
|
dc2e5ec0500d
Added the undofile() function. Updated runtime files.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
7398 with name {name} when writing. This uses the 'undodir' |
|
dc2e5ec0500d
Added the undofile() function. Updated runtime files.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
7399 option, finding directories that exist. It does not check if |
|
2250
1bac28a53fae
Add the conceal patch from Vince Negri.
Bram Moolenaar <bram@vim.org>
parents:
2249
diff
changeset
|
7400 the undo file exists. |
|
2249
6d3d35ff2c2b
Use full path in undofile(). Updated docs.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
7401 {name} is always expanded to the full path, since that is what |
|
6d3d35ff2c2b
Use full path in undofile(). Updated docs.
Bram Moolenaar <bram@vim.org>
parents:
2236
diff
changeset
|
7402 is used internally. |
|
3507
8201108e9cf0
More runtime file fixes for 'compatible' mode.
Bram Moolenaar <bram@vim.org>
parents:
3492
diff
changeset
|
7403 If {name} is empty undofile() returns an empty string, since a |
|
8201108e9cf0
More runtime file fixes for 'compatible' mode.
Bram Moolenaar <bram@vim.org>
parents:
3492
diff
changeset
|
7404 buffer without a file name will not write an undo file. |
|
2236
dc2e5ec0500d
Added the undofile() function. Updated runtime files.
Bram Moolenaar <bram@vim.org>
parents:
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diff
changeset
|
7405 Useful in combination with |:wundo| and |:rundo|. |
|
dc2e5ec0500d
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Bram Moolenaar <bram@vim.org>
parents:
2226
diff
changeset
|
7406 When compiled without the +persistent_undo option this always |
|
dc2e5ec0500d
Added the undofile() function. Updated runtime files.
Bram Moolenaar <bram@vim.org>
parents:
2226
diff
changeset
|
7407 returns an empty string. |
|
dc2e5ec0500d
Added the undofile() function. Updated runtime files.
Bram Moolenaar <bram@vim.org>
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2226
diff
changeset
|
7408 |
|
2280
941ff1cd317a
Add file save counter to undo information. Add undotree() function.
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parents:
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changeset
|
7409 undotree() *undotree()* |
|
941ff1cd317a
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|
7410 Return the current state of the undo tree in a dictionary with |
|
941ff1cd317a
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|
7411 the following items: |
|
941ff1cd317a
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changeset
|
7412 "seq_last" The highest undo sequence number used. |
|
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|
7413 "seq_cur" The sequence number of the current position in |
|
941ff1cd317a
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|
7414 the undo tree. This differs from "seq_last" |
|
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|
7415 when some changes were undone. |
|
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|
7416 "time_cur" Time last used for |:earlier| and related |
|
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|
7417 commands. Use |strftime()| to convert to |
|
941ff1cd317a
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|
7418 something readable. |
|
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|
7419 "save_last" Number of the last file write. Zero when no |
|
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|
7420 write yet. |
|
2281
e41433ea71df
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Bram Moolenaar <bram@vim.org>
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2280
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changeset
|
7421 "save_cur" Number of the current position in the undo |
|
e41433ea71df
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Bram Moolenaar <bram@vim.org>
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|
7422 tree. |
|
2280
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|
7423 "synced" Non-zero when the last undo block was synced. |
|
941ff1cd317a
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|
7424 This happens when waiting from input from the |
|
941ff1cd317a
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|
7425 user. See |undo-blocks|. |
|
941ff1cd317a
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|
7426 "entries" A list of dictionaries with information about |
|
941ff1cd317a
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|
7427 undo blocks. |
|
941ff1cd317a
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|
7428 |
|
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changeset
|
7429 The first item in the "entries" list is the oldest undo item. |
|
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|
7430 Each List item is a Dictionary with these items: |
|
941ff1cd317a
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|
7431 "seq" Undo sequence number. Same as what appears in |
|
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|
7432 |:undolist|. |
|
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|
7433 "time" Timestamp when the change happened. Use |
|
941ff1cd317a
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|
7434 |strftime()| to convert to something readable. |
|
941ff1cd317a
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changeset
|
7435 "newhead" Only appears in the item that is the last one |
|
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|
7436 that was added. This marks the last change |
|
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|
7437 and where further changes will be added. |
|
941ff1cd317a
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changeset
|
7438 "curhead" Only appears in the item that is the last one |
|
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|
7439 that was undone. This marks the current |
|
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|
7440 position in the undo tree, the block that will |
|
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|
7441 be used by a redo command. When nothing was |
|
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|
7442 undone after the last change this item will |
|
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|
7443 not appear anywhere. |
|
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|
7444 "save" Only appears on the last block before a file |
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7445 write. The number is the write count. The |
|
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7446 first write has number 1, the last one the |
|
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|
7447 "save_last" mentioned above. |
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7448 "alt" Alternate entry. This is again a List of undo |
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7449 blocks. Each item may again have an "alt" |
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7450 item. |
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|
7451 |
| 5747 | 7452 uniq({list} [, {func} [, {dict}]]) *uniq()* *E882* |
| 7453 Remove second and succeeding copies of repeated adjacent | |
| 7454 {list} items in-place. Returns {list}. If you want a list | |
| 7455 to remain unmodified make a copy first: > | |
| 7456 :let newlist = uniq(copy(mylist)) | |
| 7457 < The default compare function uses the string representation of | |
| 7458 each item. For the use of {func} and {dict} see |sort()|. | |
| 7459 | |
| 140 | 7460 values({dict}) *values()* |
| 1621 | 7461 Return a |List| with all the values of {dict}. The |List| is |
| 685 | 7462 in arbitrary order. |
| 140 | 7463 |
| 7464 | |
| 7 | 7465 virtcol({expr}) *virtcol()* |
| 7466 The result is a Number, which is the screen column of the file | |
| 7467 position given with {expr}. That is, the last screen position | |
| 7468 occupied by the character at that position, when the screen | |
| 7469 would be of unlimited width. When there is a <Tab> at the | |
| 7470 position, the returned Number will be the column at the end of | |
| 7471 the <Tab>. For example, for a <Tab> in column 1, with 'ts' | |
| 3445 | 7472 set to 8, it returns 8. |conceal| is ignored. |
| 1317 | 7473 For the byte position use |col()|. |
| 7474 For the use of {expr} see |col()|. | |
| 7475 When 'virtualedit' is used {expr} can be [lnum, col, off], where | |
| 703 | 7476 "off" is the offset in screen columns from the start of the |
| 1266 | 7477 character. E.g., a position within a <Tab> or after the last |
| 2965 | 7478 character. When "off" is omitted zero is used. |
| 7 | 7479 When Virtual editing is active in the current mode, a position |
| 7480 beyond the end of the line can be returned. |'virtualedit'| | |
| 7481 The accepted positions are: | |
| 7482 . the cursor position | |
| 7483 $ the end of the cursor line (the result is the | |
| 7484 number of displayed characters in the cursor line | |
| 7485 plus one) | |
| 7486 'x position of mark x (if the mark is not set, 0 is | |
| 7487 returned) | |
| 6447 | 7488 v In Visual mode: the start of the Visual area (the |
| 7489 cursor is the end). When not in Visual mode | |
| 7490 returns the cursor position. Differs from |'<| in | |
| 7491 that it's updated right away. | |
| 7 | 7492 Note that only marks in the current file can be used. |
| 7493 Examples: > | |
| 7494 virtcol(".") with text "foo^Lbar", with cursor on the "^L", returns 5 | |
| 7495 virtcol("$") with text "foo^Lbar", returns 9 | |
| 1621 | 7496 virtcol("'t") with text " there", with 't at 'h', returns 6 |
| 7497 < The first column is 1. 0 is returned for an error. | |
| 1156 | 7498 A more advanced example that echoes the maximum length of |
| 7499 all lines: > | |
| 7500 echo max(map(range(1, line('$')), "virtcol([v:val, '$'])")) | |
| 7501 | |
| 7 | 7502 |
| 7503 visualmode([expr]) *visualmode()* | |
| 7504 The result is a String, which describes the last Visual mode | |
| 856 | 7505 used in the current buffer. Initially it returns an empty |
| 7506 string, but once Visual mode has been used, it returns "v", | |
| 7507 "V", or "<CTRL-V>" (a single CTRL-V character) for | |
| 7508 character-wise, line-wise, or block-wise Visual mode | |
| 7509 respectively. | |
| 7 | 7510 Example: > |
| 7511 :exe "normal " . visualmode() | |
| 7512 < This enters the same Visual mode as before. It is also useful | |
| 7513 in scripts if you wish to act differently depending on the | |
| 7514 Visual mode that was used. | |
| 1621 | 7515 If Visual mode is active, use |mode()| to get the Visual mode |
| 7516 (e.g., in a |:vmap|). | |
| 1661 | 7517 *non-zero-arg* |
| 7518 If [expr] is supplied and it evaluates to a non-zero Number or | |
| 7519 a non-empty String, then the Visual mode will be cleared and | |
| 1621 | 7520 the old value is returned. Note that " " and "0" are also |
| 1661 | 7521 non-empty strings, thus cause the mode to be cleared. A List, |
| 7522 Dictionary or Float is not a Number or String, thus does not | |
| 7523 cause the mode to be cleared. | |
| 7 | 7524 |
| 4151 | 7525 wildmenumode() *wildmenumode()* |
| 7526 Returns non-zero when the wildmenu is active and zero | |
| 7527 otherwise. See 'wildmenu' and 'wildmode'. | |
| 7528 This can be used in mappings to handle the 'wildcharm' option | |
| 7529 gracefully. (Makes only sense with |mapmode-c| mappings). | |
| 7530 | |
| 7531 For example to make <c-j> work like <down> in wildmode, use: > | |
| 7532 :cnoremap <expr> <C-j> wildmenumode() ? "\<Down>\<Tab>" : "\<c-j>" | |
| 7533 < | |
| 7534 (Note, this needs the 'wildcharm' option set appropriately). | |
| 7535 | |
| 7536 | |
|
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|
7537 win_findbuf({bufnr}) *win_findbuf()* |
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7538 Returns a list with window IDs for windows that contain buffer |
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7539 {bufnr}. When there is none the list is empty. |
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7540 |
|
8534
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7541 win_getid([{win} [, {tab}]]) *win_getid()* |
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|
7542 Get the window ID for the specified window. |
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7543 When {win} is missing use the current window. |
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7544 With {win} this is the window number. The top window has |
|
485d4d8a97f6
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|
7545 number 1. |
|
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7546 Without {tab} use the current tab, otherwise the tab with |
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7547 number {tab}. The first tab has number one. |
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7548 Return zero if the window cannot be found. |
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7549 |
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7550 win_gotoid({expr}) *win_gotoid()* |
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7551 Go to window with ID {expr}. This may also change the current |
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7552 tabpage. |
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7553 Return 1 if successful, 0 if the window cannot be found. |
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7554 |
|
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|
7555 win_id2tabwin({expr}) *win_id2tabwin()* |
|
8534
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|
7556 Return a list with the tab number and window number of window |
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7557 with ID {expr}: [tabnr, winnr]. |
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7558 Return [0, 0] if the window cannot be found. |
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7559 |
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|
7560 win_id2win({expr}) *win_id2win()* |
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7561 Return the window number of window with ID {expr}. |
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7562 Return 0 if the window cannot be found in the current tabpage. |
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7563 |
| 7 | 7564 *winbufnr()* |
| 7565 winbufnr({nr}) The result is a Number, which is the number of the buffer | |
|
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7566 associated with window {nr}. {nr} can be the window number or |
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7567 the window ID. |
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7568 When {nr} is zero, the number of the buffer in the current |
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7569 window is returned. |
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7570 When window {nr} doesn't exist, -1 is returned. |
| 7 | 7571 Example: > |
| 7572 :echo "The file in the current window is " . bufname(winbufnr(0)) | |
| 7573 < | |
| 7574 *wincol()* | |
| 7575 wincol() The result is a Number, which is the virtual column of the | |
| 7576 cursor in the window. This is counting screen cells from the | |
| 7577 left side of the window. The leftmost column is one. | |
| 7578 | |
| 7579 winheight({nr}) *winheight()* | |
| 7580 The result is a Number, which is the height of window {nr}. | |
|
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7581 {nr} can be the window number or the window ID. |
| 7 | 7582 When {nr} is zero, the height of the current window is |
| 7583 returned. When window {nr} doesn't exist, -1 is returned. | |
| 7584 An existing window always has a height of zero or more. | |
| 7585 Examples: > | |
| 7586 :echo "The current window has " . winheight(0) . " lines." | |
| 7587 < | |
| 7588 *winline()* | |
| 7589 winline() The result is a Number, which is the screen line of the cursor | |
| 1621 | 7590 in the window. This is counting screen lines from the top of |
| 7 | 7591 the window. The first line is one. |
| 531 | 7592 If the cursor was moved the view on the file will be updated |
| 7593 first, this may cause a scroll. | |
| 7 | 7594 |
| 7595 *winnr()* | |
| 20 | 7596 winnr([{arg}]) The result is a Number, which is the number of the current |
| 7597 window. The top window has number 1. | |
| 7598 When the optional argument is "$", the number of the | |
| 3967 | 7599 last window is returned (the window count). > |
| 7600 let window_count = winnr('$') | |
| 7601 < When the optional argument is "#", the number of the last | |
| 20 | 7602 accessed window is returned (where |CTRL-W_p| goes to). |
| 1156 | 7603 If there is no previous window or it is in another tab page 0 |
| 7604 is returned. | |
| 20 | 7605 The number can be used with |CTRL-W_w| and ":wincmd w" |
| 7606 |:wincmd|. | |
| 1156 | 7607 Also see |tabpagewinnr()|. |
| 7 | 7608 |
| 7609 *winrestcmd()* | |
| 7610 winrestcmd() Returns a sequence of |:resize| commands that should restore | |
| 7611 the current window sizes. Only works properly when no windows | |
| 712 | 7612 are opened or closed and the current window and tab page is |
| 7613 unchanged. | |
| 7 | 7614 Example: > |
| 7615 :let cmd = winrestcmd() | |
| 7616 :call MessWithWindowSizes() | |
| 7617 :exe cmd | |
| 712 | 7618 < |
| 7619 *winrestview()* | |
| 7620 winrestview({dict}) | |
| 7621 Uses the |Dictionary| returned by |winsaveview()| to restore | |
| 7622 the view of the current window. | |
| 5940 | 7623 Note: The {dict} does not have to contain all values, that are |
| 7624 returned by |winsaveview()|. If values are missing, those | |
| 7625 settings won't be restored. So you can use: > | |
| 7626 :call winrestview({'curswant': 4}) | |
| 7627 < | |
| 7628 This will only set the curswant value (the column the cursor | |
| 7629 wants to move on vertical movements) of the cursor to column 5 | |
| 7630 (yes, that is 5), while all other settings will remain the | |
| 7631 same. This is useful, if you set the cursor position manually. | |
| 7632 | |
| 712 | 7633 If you have changed the values the result is unpredictable. |
| 7634 If the window size changed the result won't be the same. | |
| 7635 | |
| 7636 *winsaveview()* | |
| 7637 winsaveview() Returns a |Dictionary| that contains information to restore | |
| 7638 the view of the current window. Use |winrestview()| to | |
| 7639 restore the view. | |
| 7640 This is useful if you have a mapping that jumps around in the | |
| 7641 buffer and you want to go back to the original view. | |
| 7642 This does not save fold information. Use the 'foldenable' | |
| 798 | 7643 option to temporarily switch off folding, so that folds are |
|
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7644 not opened when moving around. This may have side effects. |
| 712 | 7645 The return value includes: |
| 7646 lnum cursor line number | |
| 5940 | 7647 col cursor column (Note: the first column |
| 7648 zero, as opposed to what getpos() | |
| 7649 returns) | |
| 712 | 7650 coladd cursor column offset for 'virtualedit' |
| 7651 curswant column for vertical movement | |
| 7652 topline first line in the window | |
| 7653 topfill filler lines, only in diff mode | |
| 7654 leftcol first column displayed | |
| 7655 skipcol columns skipped | |
| 7656 Note that no option values are saved. | |
| 7657 | |
| 7 | 7658 |
| 7659 winwidth({nr}) *winwidth()* | |
| 7660 The result is a Number, which is the width of window {nr}. | |
|
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|
7661 {nr} can be the window number or the window ID. |
| 7 | 7662 When {nr} is zero, the width of the current window is |
| 7663 returned. When window {nr} doesn't exist, -1 is returned. | |
| 7664 An existing window always has a width of zero or more. | |
| 7665 Examples: > | |
| 7666 :echo "The current window has " . winwidth(0) . " columns." | |
| 7667 :if winwidth(0) <= 50 | |
| 7668 : exe "normal 50\<C-W>|" | |
| 7669 :endif | |
|
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7670 < For getting the terminal or screen size, see the 'columns' |
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|
7671 option. |
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7672 |
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7673 |
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|
7674 wordcount() *wordcount()* |
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a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7675 The result is a dictionary of byte/chars/word statistics for |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7676 the current buffer. This is the same info as provided by |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7677 |g_CTRL-G| |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7678 The return value includes: |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7679 bytes Number of bytes in the buffer |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7680 chars Number of chars in the buffer |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7681 words Number of words in the buffer |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7682 cursor_bytes Number of bytes before cursor position |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7683 (not in Visual mode) |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7684 cursor_chars Number of chars before cursor position |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7685 (not in Visual mode) |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7686 cursor_words Number of words before cursor position |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7687 (not in Visual mode) |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7688 visual_bytes Number of bytes visually selected |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7689 (only in Visual mode) |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7690 visual_chars Number of chars visually selected |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7691 (only in Visual mode) |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7692 visual_words Number of chars visually selected |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7693 (only in Visual mode) |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7694 |
|
a49163681559
commit https://github.com/vim/vim/commit/ed767a2073ef150971b0439a58e7ee582af6984e
Christian Brabandt <cb@256bit.org>
parents:
7477
diff
changeset
|
7695 |
| 158 | 7696 *writefile()* |
| 6341 | 7697 writefile({list}, {fname} [, {flags}]) |
| 685 | 7698 Write |List| {list} to file {fname}. Each list item is |
| 158 | 7699 separated with a NL. Each list item must be a String or |
| 7700 Number. | |
| 6341 | 7701 When {flags} contains "b" then binary mode is used: There will |
| 158 | 7702 not be a NL after the last list item. An empty item at the |
| 7703 end does cause the last line in the file to end in a NL. | |
| 6341 | 7704 |
| 7705 When {flags} contains "a" then append mode is used, lines are | |
| 7706 append to the file: > | |
| 7707 :call writefile(["foo"], "event.log", "a") | |
| 7708 :call writefile(["bar"], "event.log", "a") | |
| 7709 > | |
| 7710 < All NL characters are replaced with a NUL character. | |
| 158 | 7711 Inserting CR characters needs to be done before passing {list} |
| 7712 to writefile(). | |
| 7713 An existing file is overwritten, if possible. | |
| 7714 When the write fails -1 is returned, otherwise 0. There is an | |
| 7715 error message if the file can't be created or when writing | |
| 7716 fails. | |
| 7717 Also see |readfile()|. | |
| 7718 To copy a file byte for byte: > | |
| 7719 :let fl = readfile("foo", "b") | |
| 7720 :call writefile(fl, "foocopy", "b") | |
| 3214 | 7721 |
| 7722 | |
| 7723 xor({expr}, {expr}) *xor()* | |
| 7724 Bitwise XOR on the two arguments. The arguments are converted | |
| 7725 to a number. A List, Dict or Float argument causes an error. | |
| 7726 Example: > | |
| 7727 :let bits = xor(bits, 0x80) | |
| 3256 | 7728 < |
| 3214 | 7729 |
| 7 | 7730 |
| 7731 *feature-list* | |
| 6009 | 7732 There are four types of features: |
| 7 | 7733 1. Features that are only supported when they have been enabled when Vim |
| 7734 was compiled |+feature-list|. Example: > | |
| 7735 :if has("cindent") | |
| 7736 2. Features that are only supported when certain conditions have been met. | |
| 7737 Example: > | |
| 7738 :if has("gui_running") | |
| 7739 < *has-patch* | |
| 5814 | 7740 3. Included patches. The "patch123" feature means that patch 123 has been |
| 7741 included. Note that this form does not check the version of Vim, you need | |
| 7742 to inspect |v:version| for that. | |
| 7743 Example (checking version 6.2.148 or later): > | |
| 7 | 7744 :if v:version > 602 || v:version == 602 && has("patch148") |
| 5814 | 7745 < Note that it's possible for patch 147 to be omitted even though 148 is |
| 7746 included. | |
| 7747 | |
| 7748 4. Beyond a certain version or at a certain version and including a specific | |
| 5862 | 7749 patch. The "patch-7.4.237" feature means that the Vim version is 7.5 or |
| 7750 later, or it is version 7.4 and patch 237 was included. | |
| 7751 Note that this only works for patch 7.4.237 and later, before that you | |
| 7752 need to use the example above that checks v:version. Example: > | |
| 7753 :if has("patch-7.4.248") | |
| 5814 | 7754 < Note that it's possible for patch 147 to be omitted even though 148 is |
| 1156 | 7755 included. |
| 7 | 7756 |
| 5340 | 7757 acl Compiled with |ACL| support. |
| 7 | 7758 all_builtin_terms Compiled with all builtin terminals enabled. |
| 7759 amiga Amiga version of Vim. | |
| 7760 arabic Compiled with Arabic support |Arabic|. | |
| 7761 arp Compiled with ARP support (Amiga). | |
| 613 | 7762 autocmd Compiled with autocommand support. |autocommand| |
| 7 | 7763 balloon_eval Compiled with |balloon-eval| support. |
| 435 | 7764 balloon_multiline GUI supports multiline balloons. |
| 7 | 7765 beos BeOS version of Vim. |
| 7766 browse Compiled with |:browse| support, and browse() will | |
| 7767 work. | |
| 3682 | 7768 browsefilter Compiled with support for |browsefilter|. |
| 7 | 7769 builtin_terms Compiled with some builtin terminals. |
| 7770 byte_offset Compiled with support for 'o' in 'statusline' | |
| 7771 cindent Compiled with 'cindent' support. | |
| 7772 clientserver Compiled with remote invocation support |clientserver|. | |
| 7773 clipboard Compiled with 'clipboard' support. | |
| 7774 cmdline_compl Compiled with |cmdline-completion| support. | |
| 7775 cmdline_hist Compiled with |cmdline-history| support. | |
| 7776 cmdline_info Compiled with 'showcmd' and 'ruler' support. | |
| 7777 comments Compiled with |'comments'| support. | |
| 2681 | 7778 compatible Compiled to be very Vi compatible. |
| 7 | 7779 cryptv Compiled with encryption support |encryption|. |
| 7780 cscope Compiled with |cscope| support. | |
| 7781 debug Compiled with "DEBUG" defined. | |
| 7782 dialog_con Compiled with console dialog support. | |
| 7783 dialog_gui Compiled with GUI dialog support. | |
| 7784 diff Compiled with |vimdiff| and 'diff' support. | |
| 7785 digraphs Compiled with support for digraphs. | |
| 6110 | 7786 directx Compiled with support for Direct-X and 'renderoptions'. |
| 7 | 7787 dnd Compiled with support for the "~ register |quote_~|. |
| 2681 | 7788 dos16 16 bits DOS version of Vim. |
| 7 | 7789 dos32 32 bits DOS (DJGPP) version of Vim. |
| 7790 ebcdic Compiled on a machine with ebcdic character set. | |
| 7791 emacs_tags Compiled with support for Emacs tags. | |
| 7792 eval Compiled with expression evaluation support. Always | |
| 7793 true, of course! | |
|
7876
93f747af7b58
commit https://github.com/vim/vim/commit/5e9b2fa9bb0e6061cf18457c173cd141a5dc9c92
Christian Brabandt <cb@256bit.org>
parents:
7788
diff
changeset
|
7794 ex_extra |+ex_extra|, always true now |
| 7 | 7795 extra_search Compiled with support for |'incsearch'| and |
| 7796 |'hlsearch'| | |
| 7797 farsi Compiled with Farsi support |farsi|. | |
| 7798 file_in_path Compiled with support for |gf| and |<cfile>| | |
| 168 | 7799 filterpipe When 'shelltemp' is off pipes are used for shell |
| 7800 read/write/filter commands | |
| 7 | 7801 find_in_path Compiled with support for include file searches |
| 7802 |+find_in_path|. | |
| 1621 | 7803 float Compiled with support for |Float|. |
| 7 | 7804 fname_case Case in file names matters (for Amiga, MS-DOS, and |
| 7805 Windows this is not present). | |
| 7806 folding Compiled with |folding| support. | |
| 7807 footer Compiled with GUI footer support. |gui-footer| | |
| 7808 fork Compiled to use fork()/exec() instead of system(). | |
| 7809 gettext Compiled with message translation |multi-lang| | |
| 7810 gui Compiled with GUI enabled. | |
| 7811 gui_athena Compiled with Athena GUI. | |
| 2681 | 7812 gui_gnome Compiled with Gnome support (gui_gtk is also defined). |
| 7 | 7813 gui_gtk Compiled with GTK+ GUI (any version). |
| 7814 gui_gtk2 Compiled with GTK+ 2 GUI (gui_gtk is also defined). | |
|
8218
3456e2ebebd4
commit https://github.com/vim/vim/commit/9892189d2e7ab94b750f99e6da4cbfc3c8014517
Christian Brabandt <cb@256bit.org>
parents:
8178
diff
changeset
|
7815 gui_gtk3 Compiled with GTK+ 3 GUI (gui_gtk is also defined). |
| 7 | 7816 gui_mac Compiled with Macintosh GUI. |
| 7817 gui_motif Compiled with Motif GUI. | |
| 7818 gui_photon Compiled with Photon GUI. | |
| 2681 | 7819 gui_running Vim is running in the GUI, or it will start soon. |
| 7 | 7820 gui_win32 Compiled with MS Windows Win32 GUI. |
| 7821 gui_win32s idem, and Win32s system being used (Windows 3.1) | |
| 7822 hangul_input Compiled with Hangul input support. |hangul| | |
| 7823 iconv Can use iconv() for conversion. | |
| 7824 insert_expand Compiled with support for CTRL-X expansion commands in | |
| 7825 Insert mode. | |
| 7826 jumplist Compiled with |jumplist| support. | |
| 7827 keymap Compiled with 'keymap' support. | |
| 7828 langmap Compiled with 'langmap' support. | |
| 7829 libcall Compiled with |libcall()| support. | |
| 5995 | 7830 linebreak Compiled with 'linebreak', 'breakat', 'showbreak' and |
| 7831 'breakindent' support. | |
| 7 | 7832 lispindent Compiled with support for lisp indenting. |
| 7833 listcmds Compiled with commands for the buffer list |:files| | |
| 7834 and the argument list |arglist|. | |
| 7835 localmap Compiled with local mappings and abbr. |:map-local| | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
2290
diff
changeset
|
7836 lua Compiled with Lua interface |Lua|. |
|
8094
18a3f0f05244
commit https://github.com/vim/vim/commit/910b8aac5dc4693c4508b7acd2cef0bbfac04242
Christian Brabandt <cb@256bit.org>
parents:
8078
diff
changeset
|
7837 mac Any Macintosh version of Vim. |
|
8078
7676818d486b
commit https://github.com/vim/vim/commit/f8df7addc5f741c16fa2a458f8777ac1fdf2e01e
Christian Brabandt <cb@256bit.org>
parents:
8061
diff
changeset
|
7838 macunix Compiled for OS X, with darwin |
|
7676818d486b
commit https://github.com/vim/vim/commit/f8df7addc5f741c16fa2a458f8777ac1fdf2e01e
Christian Brabandt <cb@256bit.org>
parents:
8061
diff
changeset
|
7839 osx Compiled for OS X, with or without darwin |
| 7 | 7840 menu Compiled with support for |:menu|. |
| 7841 mksession Compiled with support for |:mksession|. | |
| 7842 modify_fname Compiled with file name modifiers. |filename-modifiers| | |
| 7843 mouse Compiled with support mouse. | |
| 7844 mouse_dec Compiled with support for Dec terminal mouse. | |
| 7845 mouse_gpm Compiled with support for gpm (Linux console mouse) | |
| 7846 mouse_netterm Compiled with support for netterm mouse. | |
| 7847 mouse_pterm Compiled with support for qnx pterm mouse. | |
| 1621 | 7848 mouse_sysmouse Compiled with support for sysmouse (*BSD console mouse) |
| 3750 | 7849 mouse_sgr Compiled with support for sgr mouse. |
| 3224 | 7850 mouse_urxvt Compiled with support for urxvt mouse. |
| 7 | 7851 mouse_xterm Compiled with support for xterm mouse. |
| 2681 | 7852 mouseshape Compiled with support for 'mouseshape'. |
| 1768 | 7853 multi_byte Compiled with support for 'encoding' |
| 7854 multi_byte_encoding 'encoding' is set to a multi-byte encoding. | |
| 7 | 7855 multi_byte_ime Compiled with support for IME input method. |
| 7856 multi_lang Compiled with support for multiple languages. | |
| 14 | 7857 mzscheme Compiled with MzScheme interface |mzscheme|. |
| 2681 | 7858 netbeans_enabled Compiled with support for |netbeans| and connected. |
| 7 | 7859 netbeans_intg Compiled with support for |netbeans|. |
|
9389
32e34e574716
commit https://github.com/vim/vim/commit/22fcfad29276bd5f317faf516637dcd491b96a12
Christian Brabandt <cb@256bit.org>
parents:
9344
diff
changeset
|
7860 num64 Compiled with 64-bit |Number| support. |
| 7 | 7861 ole Compiled with OLE automation support for Win32. |
| 7862 os2 OS/2 version of Vim. | |
|
9076
9305a1251e51
commit https://github.com/vim/vim/commit/91c4937be15b0b743b6bc495df602c1abbff6b87
Christian Brabandt <cb@256bit.org>
parents:
9041
diff
changeset
|
7863 packages Compiled with |packages| support. |
| 7 | 7864 path_extra Compiled with up/downwards search in 'path' and 'tags' |
| 7865 perl Compiled with Perl interface. | |
|
2214
f8222d1f9a73
Included patch for persistent undo. Lots of changes and added test.
Bram Moolenaar <bram@vim.org>
parents:
2210
diff
changeset
|
7866 persistent_undo Compiled with support for persistent undo history. |
| 7 | 7867 postscript Compiled with PostScript file printing. |
| 7868 printer Compiled with |:hardcopy| support. | |
| 170 | 7869 profile Compiled with |:profile| support. |
| 2826 | 7870 python Compiled with Python 2.x interface. |has-python| |
| 7871 python3 Compiled with Python 3.x interface. |has-python| | |
| 7 | 7872 qnx QNX version of Vim. |
| 7873 quickfix Compiled with |quickfix| support. | |
| 857 | 7874 reltime Compiled with |reltime()| support. |
| 7 | 7875 rightleft Compiled with 'rightleft' support. |
| 7876 ruby Compiled with Ruby interface |ruby|. | |
| 7877 scrollbind Compiled with 'scrollbind' support. | |
| 7878 showcmd Compiled with 'showcmd' support. | |
| 7879 signs Compiled with |:sign| support. | |
| 7880 smartindent Compiled with 'smartindent' support. | |
| 2681 | 7881 spell Compiled with spell checking support |spell|. |
| 1989 | 7882 startuptime Compiled with |--startuptime| support. |
| 7 | 7883 statusline Compiled with support for 'statusline', 'rulerformat' |
| 7884 and special formats of 'titlestring' and 'iconstring'. | |
| 7885 sun_workshop Compiled with support for Sun |workshop|. | |
| 314 | 7886 syntax Compiled with syntax highlighting support |syntax|. |
| 7 | 7887 syntax_items There are active syntax highlighting items for the |
| 7888 current buffer. | |
| 7889 system Compiled to use system() instead of fork()/exec(). | |
| 7890 tag_binary Compiled with binary searching in tags files | |
| 7891 |tag-binary-search|. | |
| 7892 tag_old_static Compiled with support for old static tags | |
| 7893 |tag-old-static|. | |
| 7894 tag_any_white Compiled with support for any white characters in tags | |
| 7895 files |tag-any-white|. | |
| 7896 tcl Compiled with Tcl interface. | |
|
9076
9305a1251e51
commit https://github.com/vim/vim/commit/91c4937be15b0b743b6bc495df602c1abbff6b87
Christian Brabandt <cb@256bit.org>
parents:
9041
diff
changeset
|
7897 termguicolors Compiled with true color in terminal support. |
| 7 | 7898 terminfo Compiled with terminfo instead of termcap. |
| 7899 termresponse Compiled with support for |t_RV| and |v:termresponse|. | |
| 7900 textobjects Compiled with support for |text-objects|. | |
| 7901 tgetent Compiled with tgetent support, able to use a termcap | |
| 7902 or terminfo file. | |
|
8577
63dc856bd13d
commit https://github.com/vim/vim/commit/975b5271eed4fa0500c24a8f37be0b1797cb9db7
Christian Brabandt <cb@256bit.org>
parents:
8538
diff
changeset
|
7903 timers Compiled with |timer_start()| support. |
| 7 | 7904 title Compiled with window title support |'title'|. |
| 7905 toolbar Compiled with support for |gui-toolbar|. | |
| 7906 unix Unix version of Vim. | |
| 7907 user_commands User-defined commands. | |
| 2681 | 7908 vertsplit Compiled with vertically split windows |:vsplit|. |
| 2581 | 7909 vim_starting True while initial source'ing takes place. |startup| |
|
8748
b1a19a2f73f0
commit https://github.com/vim/vim/commit/4f3f668c8486444e53163c29d2fc79bf47eb3c82
Christian Brabandt <cb@256bit.org>
parents:
8738
diff
changeset
|
7910 *vim_starting* |
| 2681 | 7911 viminfo Compiled with viminfo support. |
| 7 | 7912 virtualedit Compiled with 'virtualedit' option. |
| 7913 visual Compiled with Visual mode. | |
| 7914 visualextra Compiled with extra Visual mode commands. | |
| 7915 |blockwise-operators|. | |
| 7916 vms VMS version of Vim. | |
| 7917 vreplace Compiled with |gR| and |gr| commands. | |
| 7918 wildignore Compiled with 'wildignore' option. | |
| 7919 wildmenu Compiled with 'wildmenu' option. | |
|
2698
b6471224d2af
Updated runtime files and translations.
Bram Moolenaar <bram@vim.org>
parents:
2681
diff
changeset
|
7920 win32 Win32 version of Vim (MS-Windows 95 and later, 32 or |
|
b6471224d2af
Updated runtime files and translations.
Bram Moolenaar <bram@vim.org>
parents:
2681
diff
changeset
|
7921 64 bits) |
| 2681 | 7922 win32unix Win32 version of Vim, using Unix files (Cygwin) |
| 7 | 7923 win64 Win64 version of Vim (MS-Windows 64 bit). |
| 7924 win95 Win32 version for MS-Windows 95/98/ME. | |
| 2681 | 7925 winaltkeys Compiled with 'winaltkeys' option. |
| 7926 windows Compiled with support for more than one window. | |
| 7 | 7927 writebackup Compiled with 'writebackup' default on. |
| 7928 xfontset Compiled with X fontset support |xfontset|. | |
| 7929 xim Compiled with X input method support |xim|. | |
| 5340 | 7930 xpm Compiled with pixmap support. |
| 7931 xpm_w32 Compiled with pixmap support for Win32. (Only for | |
| 7932 backward compatibility. Use "xpm" instead.) | |
| 7 | 7933 xsmp Compiled with X session management support. |
| 7934 xsmp_interact Compiled with interactive X session management support. | |
| 7935 xterm_clipboard Compiled with support for xterm clipboard. | |
| 7936 xterm_save Compiled with support for saving and restoring the | |
| 7937 xterm screen. | |
| 7938 x11 Compiled with X11 support. | |
| 7939 | |
| 7940 *string-match* | |
| 7941 Matching a pattern in a String | |
| 7942 | |
| 7943 A regexp pattern as explained at |pattern| is normally used to find a match in | |
| 7944 the buffer lines. When a pattern is used to find a match in a String, almost | |
| 7945 everything works in the same way. The difference is that a String is handled | |
| 7946 like it is one line. When it contains a "\n" character, this is not seen as a | |
| 7947 line break for the pattern. It can be matched with a "\n" in the pattern, or | |
| 7948 with ".". Example: > | |
| 7949 :let a = "aaaa\nxxxx" | |
| 7950 :echo matchstr(a, "..\n..") | |
| 7951 aa | |
| 7952 xx | |
| 7953 :echo matchstr(a, "a.x") | |
| 7954 a | |
| 7955 x | |
| 7956 | |
| 7957 Don't forget that "^" will only match at the first character of the String and | |
| 7958 "$" at the last character of the string. They don't match after or before a | |
| 7959 "\n". | |
| 7960 | |
| 7961 ============================================================================== | |
| 7962 5. Defining functions *user-functions* | |
| 7963 | |
| 7964 New functions can be defined. These can be called just like builtin | |
| 7965 functions. The function executes a sequence of Ex commands. Normal mode | |
| 7966 commands can be executed with the |:normal| command. | |
| 7967 | |
| 7968 The function name must start with an uppercase letter, to avoid confusion with | |
| 7969 builtin functions. To prevent from using the same name in different scripts | |
| 7970 avoid obvious, short names. A good habit is to start the function name with | |
| 7971 the name of the script, e.g., "HTMLcolor()". | |
| 7972 | |
| 504 | 7973 It's also possible to use curly braces, see |curly-braces-names|. And the |
| 7974 |autoload| facility is useful to define a function only when it's called. | |
| 7 | 7975 |
| 7976 *local-function* | |
| 7977 A function local to a script must start with "s:". A local script function | |
| 7978 can only be called from within the script and from functions, user commands | |
| 7979 and autocommands defined in the script. It is also possible to call the | |
| 1698 | 7980 function from a mapping defined in the script, but then |<SID>| must be used |
| 7 | 7981 instead of "s:" when the mapping is expanded outside of the script. |
| 5862 | 7982 There are only script-local functions, no buffer-local or window-local |
| 7983 functions. | |
| 7 | 7984 |
| 7985 *:fu* *:function* *E128* *E129* *E123* | |
| 7986 :fu[nction] List all functions and their arguments. | |
| 7987 | |
| 7988 :fu[nction] {name} List function {name}. | |
| 685 | 7989 {name} can also be a |Dictionary| entry that is a |
| 7990 |Funcref|: > | |
| 114 | 7991 :function dict.init |
| 504 | 7992 |
| 7993 :fu[nction] /{pattern} List functions with a name matching {pattern}. | |
| 7994 Example that lists all functions ending with "File": > | |
| 7995 :function /File$ | |
| 482 | 7996 < |
| 7997 *:function-verbose* | |
| 7998 When 'verbose' is non-zero, listing a function will also display where it was | |
| 7999 last defined. Example: > | |
| 8000 | |
| 8001 :verbose function SetFileTypeSH | |
| 8002 function SetFileTypeSH(name) | |
| 8003 Last set from /usr/share/vim/vim-7.0/filetype.vim | |
| 8004 < | |
| 484 | 8005 See |:verbose-cmd| for more information. |
| 482 | 8006 |
| 5862 | 8007 *E124* *E125* *E853* *E884* |
| 102 | 8008 :fu[nction][!] {name}([arguments]) [range] [abort] [dict] |
| 7 | 8009 Define a new function by the name {name}. The name |
| 8010 must be made of alphanumeric characters and '_', and | |
| 5862 | 8011 must start with a capital or "s:" (see above). Note |
| 8012 that using "b:" or "g:" is not allowed. (since patch | |
| 8013 7.4.260 E884 is given if the function name has a colon | |
| 8014 in the name, e.g. for "foo:bar()". Before that patch | |
| 8015 no error was given). | |
| 114 | 8016 |
| 685 | 8017 {name} can also be a |Dictionary| entry that is a |
| 8018 |Funcref|: > | |
| 114 | 8019 :function dict.init(arg) |
| 1621 | 8020 < "dict" must be an existing dictionary. The entry |
| 114 | 8021 "init" is added if it didn't exist yet. Otherwise [!] |
| 1621 | 8022 is required to overwrite an existing function. The |
| 114 | 8023 result is a |Funcref| to a numbered function. The |
| 8024 function can only be used with a |Funcref| and will be | |
| 8025 deleted if there are no more references to it. | |
| 7 | 8026 *E127* *E122* |
| 8027 When a function by this name already exists and [!] is | |
| 8028 not used an error message is given. When [!] is used, | |
| 8029 an existing function is silently replaced. Unless it | |
| 8030 is currently being executed, that is an error. | |
| 133 | 8031 |
| 8032 For the {arguments} see |function-argument|. | |
| 8033 | |
| 5618 | 8034 *:func-range* *a:firstline* *a:lastline* |
| 7 | 8035 When the [range] argument is added, the function is |
| 8036 expected to take care of a range itself. The range is | |
| 8037 passed as "a:firstline" and "a:lastline". If [range] | |
| 8038 is excluded, ":{range}call" will call the function for | |
| 8039 each line in the range, with the cursor on the start | |
| 8040 of each line. See |function-range-example|. | |
| 3967 | 8041 The cursor is still moved to the first line of the |
| 8042 range, as is the case with all Ex commands. | |
| 5618 | 8043 *:func-abort* |
| 7 | 8044 When the [abort] argument is added, the function will |
| 8045 abort as soon as an error is detected. | |
| 5618 | 8046 *:func-dict* |
| 102 | 8047 When the [dict] argument is added, the function must |
| 1621 | 8048 be invoked through an entry in a |Dictionary|. The |
| 102 | 8049 local variable "self" will then be set to the |
| 8050 dictionary. See |Dictionary-function|. | |
| 7 | 8051 |
| 1621 | 8052 *function-search-undo* |
| 653 | 8053 The last used search pattern and the redo command "." |
| 1621 | 8054 will not be changed by the function. This also |
| 8055 implies that the effect of |:nohlsearch| is undone | |
| 8056 when the function returns. | |
| 653 | 8057 |
| 7 | 8058 *:endf* *:endfunction* *E126* *E193* |
| 8059 :endf[unction] The end of a function definition. Must be on a line | |
| 8060 by its own, without other commands. | |
| 8061 | |
| 8062 *:delf* *:delfunction* *E130* *E131* | |
| 8063 :delf[unction] {name} Delete function {name}. | |
| 685 | 8064 {name} can also be a |Dictionary| entry that is a |
| 8065 |Funcref|: > | |
| 114 | 8066 :delfunc dict.init |
| 1621 | 8067 < This will remove the "init" entry from "dict". The |
| 114 | 8068 function is deleted if there are no more references to |
| 8069 it. | |
| 7 | 8070 *:retu* *:return* *E133* |
| 8071 :retu[rn] [expr] Return from a function. When "[expr]" is given, it is | |
| 8072 evaluated and returned as the result of the function. | |
| 8073 If "[expr]" is not given, the number 0 is returned. | |
| 8074 When a function ends without an explicit ":return", | |
| 8075 the number 0 is returned. | |
| 8076 Note that there is no check for unreachable lines, | |
| 8077 thus there is no warning if commands follow ":return". | |
| 8078 | |
| 8079 If the ":return" is used after a |:try| but before the | |
| 8080 matching |:finally| (if present), the commands | |
| 8081 following the ":finally" up to the matching |:endtry| | |
| 8082 are executed first. This process applies to all | |
| 8083 nested ":try"s inside the function. The function | |
| 8084 returns at the outermost ":endtry". | |
| 8085 | |
| 133 | 8086 *function-argument* *a:var* |
| 1621 | 8087 An argument can be defined by giving its name. In the function this can then |
| 133 | 8088 be used as "a:name" ("a:" for argument). |
| 1156 | 8089 *a:0* *a:1* *a:000* *E740* *...* |
| 133 | 8090 Up to 20 arguments can be given, separated by commas. After the named |
| 8091 arguments an argument "..." can be specified, which means that more arguments | |
| 8092 may optionally be following. In the function the extra arguments can be used | |
| 8093 as "a:1", "a:2", etc. "a:0" is set to the number of extra arguments (which | |
| 685 | 8094 can be 0). "a:000" is set to a |List| that contains these arguments. Note |
| 8095 that "a:1" is the same as "a:000[0]". | |
| 148 | 8096 *E742* |
| 8097 The a: scope and the variables in it cannot be changed, they are fixed. | |
| 1698 | 8098 However, if a |List| or |Dictionary| is used, you can change their contents. |
| 685 | 8099 Thus you can pass a |List| to a function and have the function add an item to |
| 8100 it. If you want to make sure the function cannot change a |List| or | |
| 8101 |Dictionary| use |:lockvar|. | |
| 133 | 8102 |
| 8103 When not using "...", the number of arguments in a function call must be equal | |
| 8104 to the number of named arguments. When using "...", the number of arguments | |
| 8105 may be larger. | |
| 8106 | |
| 8107 It is also possible to define a function without any arguments. You must | |
| 8108 still supply the () then. The body of the function follows in the next lines, | |
| 8109 until the matching |:endfunction|. It is allowed to define another function | |
| 8110 inside a function body. | |
| 8111 | |
| 8112 *local-variables* | |
| 7 | 8113 Inside a function variables can be used. These are local variables, which |
| 8114 will disappear when the function returns. Global variables need to be | |
| 8115 accessed with "g:". | |
| 8116 | |
| 8117 Example: > | |
| 8118 :function Table(title, ...) | |
| 8119 : echohl Title | |
| 8120 : echo a:title | |
| 8121 : echohl None | |
| 140 | 8122 : echo a:0 . " items:" |
| 8123 : for s in a:000 | |
| 8124 : echon ' ' . s | |
| 8125 : endfor | |
| 7 | 8126 :endfunction |
| 8127 | |
| 8128 This function can then be called with: > | |
| 140 | 8129 call Table("Table", "line1", "line2") |
| 8130 call Table("Empty Table") | |
| 7 | 8131 |
| 1156 | 8132 To return more than one value, return a |List|: > |
| 8133 :function Compute(n1, n2) | |
| 7 | 8134 : if a:n2 == 0 |
| 1156 | 8135 : return ["fail", 0] |
| 7 | 8136 : endif |
| 1156 | 8137 : return ["ok", a:n1 / a:n2] |
| 7 | 8138 :endfunction |
| 8139 | |
| 8140 This function can then be called with: > | |
| 1156 | 8141 :let [success, div] = Compute(102, 6) |
| 7 | 8142 :if success == "ok" |
| 8143 : echo div | |
| 8144 :endif | |
| 1156 | 8145 < |
| 786 | 8146 *:cal* *:call* *E107* *E117* |
| 7 | 8147 :[range]cal[l] {name}([arguments]) |
| 8148 Call a function. The name of the function and its arguments | |
| 8149 are as specified with |:function|. Up to 20 arguments can be | |
| 1156 | 8150 used. The returned value is discarded. |
| 7 | 8151 Without a range and for functions that accept a range, the |
| 8152 function is called once. When a range is given the cursor is | |
| 8153 positioned at the start of the first line before executing the | |
| 8154 function. | |
| 8155 When a range is given and the function doesn't handle it | |
| 8156 itself, the function is executed for each line in the range, | |
| 8157 with the cursor in the first column of that line. The cursor | |
| 8158 is left at the last line (possibly moved by the last function | |
| 1621 | 8159 call). The arguments are re-evaluated for each line. Thus |
| 7 | 8160 this works: |
| 8161 *function-range-example* > | |
| 8162 :function Mynumber(arg) | |
| 8163 : echo line(".") . " " . a:arg | |
| 8164 :endfunction | |
| 8165 :1,5call Mynumber(getline(".")) | |
| 8166 < | |
| 8167 The "a:firstline" and "a:lastline" are defined anyway, they | |
| 8168 can be used to do something different at the start or end of | |
| 8169 the range. | |
| 8170 | |
| 8171 Example of a function that handles the range itself: > | |
| 8172 | |
| 8173 :function Cont() range | |
| 8174 : execute (a:firstline + 1) . "," . a:lastline . 's/^/\t\\ ' | |
| 8175 :endfunction | |
| 8176 :4,8call Cont() | |
| 8177 < | |
| 8178 This function inserts the continuation character "\" in front | |
| 8179 of all the lines in the range, except the first one. | |
| 8180 | |
| 1156 | 8181 When the function returns a composite value it can be further |
| 8182 dereferenced, but the range will not be used then. Example: > | |
| 8183 :4,8call GetDict().method() | |
| 8184 < Here GetDict() gets the range but method() does not. | |
| 8185 | |
| 7 | 8186 *E132* |
| 8187 The recursiveness of user functions is restricted with the |'maxfuncdepth'| | |
| 8188 option. | |
| 8189 | |
| 161 | 8190 |
| 8191 AUTOMATICALLY LOADING FUNCTIONS ~ | |
| 7 | 8192 *autoload-functions* |
| 8193 When using many or large functions, it's possible to automatically define them | |
| 161 | 8194 only when they are used. There are two methods: with an autocommand and with |
| 8195 the "autoload" directory in 'runtimepath'. | |
| 8196 | |
| 8197 | |
| 8198 Using an autocommand ~ | |
| 8199 | |
| 170 | 8200 This is introduced in the user manual, section |41.14|. |
| 8201 | |
| 161 | 8202 The autocommand is useful if you have a plugin that is a long Vim script file. |
| 8203 You can define the autocommand and quickly quit the script with |:finish|. | |
| 1621 | 8204 That makes Vim startup faster. The autocommand should then load the same file |
| 161 | 8205 again, setting a variable to skip the |:finish| command. |
| 8206 | |
| 8207 Use the FuncUndefined autocommand event with a pattern that matches the | |
| 8208 function(s) to be defined. Example: > | |
| 7 | 8209 |
| 8210 :au FuncUndefined BufNet* source ~/vim/bufnetfuncs.vim | |
| 8211 | |
| 8212 The file "~/vim/bufnetfuncs.vim" should then define functions that start with | |
| 8213 "BufNet". Also see |FuncUndefined|. | |
| 8214 | |
| 161 | 8215 |
| 8216 Using an autoload script ~ | |
| 168 | 8217 *autoload* *E746* |
| 170 | 8218 This is introduced in the user manual, section |41.15|. |
| 8219 | |
| 161 | 8220 Using a script in the "autoload" directory is simpler, but requires using |
| 8221 exactly the right file name. A function that can be autoloaded has a name | |
| 8222 like this: > | |
| 8223 | |
| 270 | 8224 :call filename#funcname() |
| 161 | 8225 |
| 8226 When such a function is called, and it is not defined yet, Vim will search the | |
| 8227 "autoload" directories in 'runtimepath' for a script file called | |
| 8228 "filename.vim". For example "~/.vim/autoload/filename.vim". That file should | |
| 8229 then define the function like this: > | |
| 8230 | |
| 270 | 8231 function filename#funcname() |
| 161 | 8232 echo "Done!" |
| 8233 endfunction | |
| 8234 | |
| 530 | 8235 The file name and the name used before the # in the function must match |
| 161 | 8236 exactly, and the defined function must have the name exactly as it will be |
| 8237 called. | |
| 8238 | |
| 270 | 8239 It is possible to use subdirectories. Every # in the function name works like |
| 8240 a path separator. Thus when calling a function: > | |
| 8241 | |
| 8242 :call foo#bar#func() | |
| 161 | 8243 |
| 8244 Vim will look for the file "autoload/foo/bar.vim" in 'runtimepath'. | |
| 8245 | |
| 168 | 8246 This also works when reading a variable that has not been set yet: > |
| 8247 | |
| 270 | 8248 :let l = foo#bar#lvar |
| 168 | 8249 |
| 557 | 8250 However, when the autoload script was already loaded it won't be loaded again |
| 8251 for an unknown variable. | |
| 8252 | |
| 168 | 8253 When assigning a value to such a variable nothing special happens. This can |
| 8254 be used to pass settings to the autoload script before it's loaded: > | |
| 8255 | |
| 270 | 8256 :let foo#bar#toggle = 1 |
| 8257 :call foo#bar#func() | |
| 168 | 8258 |
| 164 | 8259 Note that when you make a mistake and call a function that is supposed to be |
| 8260 defined in an autoload script, but the script doesn't actually define the | |
| 8261 function, the script will be sourced every time you try to call the function. | |
| 168 | 8262 And you will get an error message every time. |
| 8263 | |
| 8264 Also note that if you have two script files, and one calls a function in the | |
| 1621 | 8265 other and vice versa, before the used function is defined, it won't work. |
| 168 | 8266 Avoid using the autoload functionality at the toplevel. |
| 161 | 8267 |
| 794 | 8268 Hint: If you distribute a bunch of scripts you can pack them together with the |
| 8269 |vimball| utility. Also read the user manual |distribute-script|. | |
| 8270 | |
| 7 | 8271 ============================================================================== |
| 8272 6. Curly braces names *curly-braces-names* | |
| 8273 | |
|
3410
94601b379f38
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Bram Moolenaar <bram@vim.org>
parents:
3398
diff
changeset
|
8274 In most places where you can use a variable, you can use a "curly braces name" |
|
94601b379f38
Updated runtime files. Add Dutch translations.
Bram Moolenaar <bram@vim.org>
parents:
3398
diff
changeset
|
8275 variable. This is a regular variable name with one or more expressions |
|
94601b379f38
Updated runtime files. Add Dutch translations.
Bram Moolenaar <bram@vim.org>
parents:
3398
diff
changeset
|
8276 wrapped in braces {} like this: > |
| 7 | 8277 my_{adjective}_variable |
| 8278 | |
| 8279 When Vim encounters this, it evaluates the expression inside the braces, puts | |
| 8280 that in place of the expression, and re-interprets the whole as a variable | |
| 8281 name. So in the above example, if the variable "adjective" was set to | |
| 8282 "noisy", then the reference would be to "my_noisy_variable", whereas if | |
| 8283 "adjective" was set to "quiet", then it would be to "my_quiet_variable". | |
| 8284 | |
| 8285 One application for this is to create a set of variables governed by an option | |
| 1621 | 8286 value. For example, the statement > |
| 7 | 8287 echo my_{&background}_message |
| 8288 | |
| 8289 would output the contents of "my_dark_message" or "my_light_message" depending | |
| 8290 on the current value of 'background'. | |
| 8291 | |
| 8292 You can use multiple brace pairs: > | |
| 8293 echo my_{adverb}_{adjective}_message | |
| 8294 ..or even nest them: > | |
| 8295 echo my_{ad{end_of_word}}_message | |
| 8296 where "end_of_word" is either "verb" or "jective". | |
| 8297 | |
| 8298 However, the expression inside the braces must evaluate to a valid single | |
| 236 | 8299 variable name, e.g. this is invalid: > |
| 7 | 8300 :let foo='a + b' |
| 8301 :echo c{foo}d | |
| 8302 .. since the result of expansion is "ca + bd", which is not a variable name. | |
| 8303 | |
| 8304 *curly-braces-function-names* | |
| 8305 You can call and define functions by an evaluated name in a similar way. | |
| 8306 Example: > | |
| 8307 :let func_end='whizz' | |
| 8308 :call my_func_{func_end}(parameter) | |
| 8309 | |
| 8310 This would call the function "my_func_whizz(parameter)". | |
| 8311 | |
|
3410
94601b379f38
Updated runtime files. Add Dutch translations.
Bram Moolenaar <bram@vim.org>
parents:
3398
diff
changeset
|
8312 This does NOT work: > |
|
94601b379f38
Updated runtime files. Add Dutch translations.
Bram Moolenaar <bram@vim.org>
parents:
3398
diff
changeset
|
8313 :let i = 3 |
|
94601b379f38
Updated runtime files. Add Dutch translations.
Bram Moolenaar <bram@vim.org>
parents:
3398
diff
changeset
|
8314 :let @{i} = '' " error |
|
94601b379f38
Updated runtime files. Add Dutch translations.
Bram Moolenaar <bram@vim.org>
parents:
3398
diff
changeset
|
8315 :echo @{i} " error |
|
94601b379f38
Updated runtime files. Add Dutch translations.
Bram Moolenaar <bram@vim.org>
parents:
3398
diff
changeset
|
8316 |
| 7 | 8317 ============================================================================== |
| 8318 7. Commands *expression-commands* | |
| 8319 | |
| 8320 :let {var-name} = {expr1} *:let* *E18* | |
| 8321 Set internal variable {var-name} to the result of the | |
| 8322 expression {expr1}. The variable will get the type | |
| 8323 from the {expr}. If {var-name} didn't exist yet, it | |
| 8324 is created. | |
| 8325 | |
| 85 | 8326 :let {var-name}[{idx}] = {expr1} *E689* |
| 8327 Set a list item to the result of the expression | |
| 8328 {expr1}. {var-name} must refer to a list and {idx} | |
| 8329 must be a valid index in that list. For nested list | |
| 8330 the index can be repeated. | |
| 1621 | 8331 This cannot be used to add an item to a |List|. |
| 8332 This cannot be used to set a byte in a String. You | |
| 8333 can do that like this: > | |
| 8334 :let var = var[0:2] . 'X' . var[4:] | |
| 8335 < | |
| 114 | 8336 *E711* *E719* |
| 8337 :let {var-name}[{idx1}:{idx2}] = {expr1} *E708* *E709* *E710* | |
| 685 | 8338 Set a sequence of items in a |List| to the result of |
| 8339 the expression {expr1}, which must be a list with the | |
| 87 | 8340 correct number of items. |
| 8341 {idx1} can be omitted, zero is used instead. | |
| 8342 {idx2} can be omitted, meaning the end of the list. | |
| 8343 When the selected range of items is partly past the | |
| 8344 end of the list, items will be added. | |
| 8345 | |
| 153 | 8346 *:let+=* *:let-=* *:let.=* *E734* |
| 114 | 8347 :let {var} += {expr1} Like ":let {var} = {var} + {expr1}". |
| 8348 :let {var} -= {expr1} Like ":let {var} = {var} - {expr1}". | |
| 8349 :let {var} .= {expr1} Like ":let {var} = {var} . {expr1}". | |
| 8350 These fail if {var} was not set yet and when the type | |
| 8351 of {var} and {expr1} don't fit the operator. | |
| 8352 | |
| 8353 | |
| 7 | 8354 :let ${env-name} = {expr1} *:let-environment* *:let-$* |
| 8355 Set environment variable {env-name} to the result of | |
| 8356 the expression {expr1}. The type is always String. | |
| 114 | 8357 :let ${env-name} .= {expr1} |
| 8358 Append {expr1} to the environment variable {env-name}. | |
| 8359 If the environment variable didn't exist yet this | |
| 8360 works like "=". | |
| 7 | 8361 |
| 8362 :let @{reg-name} = {expr1} *:let-register* *:let-@* | |
| 8363 Write the result of the expression {expr1} in register | |
| 8364 {reg-name}. {reg-name} must be a single letter, and | |
| 8365 must be the name of a writable register (see | |
| 8366 |registers|). "@@" can be used for the unnamed | |
| 8367 register, "@/" for the search pattern. | |
| 8368 If the result of {expr1} ends in a <CR> or <NL>, the | |
| 8369 register will be linewise, otherwise it will be set to | |
| 8370 characterwise. | |
| 8371 This can be used to clear the last search pattern: > | |
| 8372 :let @/ = "" | |
| 8373 < This is different from searching for an empty string, | |
| 8374 that would match everywhere. | |
| 8375 | |
| 114 | 8376 :let @{reg-name} .= {expr1} |
| 1621 | 8377 Append {expr1} to register {reg-name}. If the |
| 114 | 8378 register was empty it's like setting it to {expr1}. |
| 8379 | |
| 1156 | 8380 :let &{option-name} = {expr1} *:let-option* *:let-&* |
| 7 | 8381 Set option {option-name} to the result of the |
| 68 | 8382 expression {expr1}. A String or Number value is |
| 8383 always converted to the type of the option. | |
| 7 | 8384 For an option local to a window or buffer the effect |
| 8385 is just like using the |:set| command: both the local | |
| 555 | 8386 value and the global value are changed. |
| 68 | 8387 Example: > |
| 8388 :let &path = &path . ',/usr/local/include' | |
| 7 | 8389 |
| 114 | 8390 :let &{option-name} .= {expr1} |
| 8391 For a string option: Append {expr1} to the value. | |
| 8392 Does not insert a comma like |:set+=|. | |
| 8393 | |
| 8394 :let &{option-name} += {expr1} | |
| 8395 :let &{option-name} -= {expr1} | |
| 8396 For a number or boolean option: Add or subtract | |
| 8397 {expr1}. | |
| 8398 | |
| 7 | 8399 :let &l:{option-name} = {expr1} |
| 114 | 8400 :let &l:{option-name} .= {expr1} |
| 8401 :let &l:{option-name} += {expr1} | |
| 8402 :let &l:{option-name} -= {expr1} | |
| 7 | 8403 Like above, but only set the local value of an option |
| 8404 (if there is one). Works like |:setlocal|. | |
| 8405 | |
| 8406 :let &g:{option-name} = {expr1} | |
| 114 | 8407 :let &g:{option-name} .= {expr1} |
| 8408 :let &g:{option-name} += {expr1} | |
| 8409 :let &g:{option-name} -= {expr1} | |
| 7 | 8410 Like above, but only set the global value of an option |
| 8411 (if there is one). Works like |:setglobal|. | |
| 8412 | |
| 85 | 8413 :let [{name1}, {name2}, ...] = {expr1} *:let-unpack* *E687* *E688* |
| 685 | 8414 {expr1} must evaluate to a |List|. The first item in |
| 68 | 8415 the list is assigned to {name1}, the second item to |
| 8416 {name2}, etc. | |
| 8417 The number of names must match the number of items in | |
| 685 | 8418 the |List|. |
| 68 | 8419 Each name can be one of the items of the ":let" |
| 8420 command as mentioned above. | |
| 8421 Example: > | |
| 8422 :let [s, item] = GetItem(s) | |
| 114 | 8423 < Detail: {expr1} is evaluated first, then the |
| 8424 assignments are done in sequence. This matters if | |
| 8425 {name2} depends on {name1}. Example: > | |
| 8426 :let x = [0, 1] | |
| 8427 :let i = 0 | |
| 8428 :let [i, x[i]] = [1, 2] | |
| 8429 :echo x | |
| 8430 < The result is [0, 2]. | |
| 8431 | |
| 8432 :let [{name1}, {name2}, ...] .= {expr1} | |
| 8433 :let [{name1}, {name2}, ...] += {expr1} | |
| 8434 :let [{name1}, {name2}, ...] -= {expr1} | |
| 8435 Like above, but append/add/subtract the value for each | |
| 685 | 8436 |List| item. |
| 68 | 8437 |
| 8438 :let [{name}, ..., ; {lastname}] = {expr1} | |
| 685 | 8439 Like |:let-unpack| above, but the |List| may have more |
| 114 | 8440 items than there are names. A list of the remaining |
| 8441 items is assigned to {lastname}. If there are no | |
| 8442 remaining items {lastname} is set to an empty list. | |
| 68 | 8443 Example: > |
| 8444 :let [a, b; rest] = ["aval", "bval", 3, 4] | |
| 8445 < | |
| 114 | 8446 :let [{name}, ..., ; {lastname}] .= {expr1} |
| 8447 :let [{name}, ..., ; {lastname}] += {expr1} | |
| 8448 :let [{name}, ..., ; {lastname}] -= {expr1} | |
| 8449 Like above, but append/add/subtract the value for each | |
| 685 | 8450 |List| item. |
| 2596 | 8451 |
| 8452 *E121* | |
| 1621 | 8453 :let {var-name} .. List the value of variable {var-name}. Multiple |
| 123 | 8454 variable names may be given. Special names recognized |
| 8455 here: *E738* | |
| 777 | 8456 g: global variables |
| 8457 b: local buffer variables | |
| 8458 w: local window variables | |
| 819 | 8459 t: local tab page variables |
| 777 | 8460 s: script-local variables |
| 8461 l: local function variables | |
| 123 | 8462 v: Vim variables. |
| 7 | 8463 |
| 55 | 8464 :let List the values of all variables. The type of the |
| 8465 variable is indicated before the value: | |
| 8466 <nothing> String | |
| 8467 # Number | |
| 856 | 8468 * Funcref |
| 7 | 8469 |
| 148 | 8470 |
| 1156 | 8471 :unl[et][!] {name} ... *:unlet* *:unl* *E108* *E795* |
| 148 | 8472 Remove the internal variable {name}. Several variable |
| 8473 names can be given, they are all removed. The name | |
| 685 | 8474 may also be a |List| or |Dictionary| item. |
| 7 | 8475 With [!] no error message is given for non-existing |
| 8476 variables. | |
| 685 | 8477 One or more items from a |List| can be removed: > |
| 108 | 8478 :unlet list[3] " remove fourth item |
| 8479 :unlet list[3:] " remove fourth item to last | |
| 685 | 8480 < One item from a |Dictionary| can be removed at a time: > |
| 108 | 8481 :unlet dict['two'] |
| 8482 :unlet dict.two | |
| 1668 | 8483 < This is especially useful to clean up used global |
| 8484 variables and script-local variables (these are not | |
| 8485 deleted when the script ends). Function-local | |
| 8486 variables are automatically deleted when the function | |
| 8487 ends. | |
| 7 | 8488 |
| 148 | 8489 :lockv[ar][!] [depth] {name} ... *:lockvar* *:lockv* |
| 8490 Lock the internal variable {name}. Locking means that | |
| 8491 it can no longer be changed (until it is unlocked). | |
| 8492 A locked variable can be deleted: > | |
| 8493 :lockvar v | |
| 8494 :let v = 'asdf' " fails! | |
| 8495 :unlet v | |
| 8496 < *E741* | |
| 8497 If you try to change a locked variable you get an | |
| 6530 | 8498 error message: "E741: Value is locked: {name}" |
| 148 | 8499 |
| 685 | 8500 [depth] is relevant when locking a |List| or |
| 8501 |Dictionary|. It specifies how deep the locking goes: | |
| 8502 1 Lock the |List| or |Dictionary| itself, | |
| 148 | 8503 cannot add or remove items, but can |
| 8504 still change their values. | |
| 8505 2 Also lock the values, cannot change | |
| 685 | 8506 the items. If an item is a |List| or |
| 8507 |Dictionary|, cannot add or remove | |
| 148 | 8508 items, but can still change the |
| 8509 values. | |
| 685 | 8510 3 Like 2 but for the |List| / |
| 8511 |Dictionary| in the |List| / | |
| 8512 |Dictionary|, one level deeper. | |
| 8513 The default [depth] is 2, thus when {name} is a |List| | |
| 8514 or |Dictionary| the values cannot be changed. | |
| 148 | 8515 *E743* |
| 8516 For unlimited depth use [!] and omit [depth]. | |
| 8517 However, there is a maximum depth of 100 to catch | |
| 8518 loops. | |
| 8519 | |
| 685 | 8520 Note that when two variables refer to the same |List| |
| 8521 and you lock one of them, the |List| will also be | |
| 819 | 8522 locked when used through the other variable. |
| 8523 Example: > | |
| 148 | 8524 :let l = [0, 1, 2, 3] |
| 8525 :let cl = l | |
| 8526 :lockvar l | |
| 8527 :let cl[1] = 99 " won't work! | |
| 8528 < You may want to make a copy of a list to avoid this. | |
| 8529 See |deepcopy()|. | |
| 8530 | |
| 8531 | |
| 8532 :unlo[ckvar][!] [depth] {name} ... *:unlockvar* *:unlo* | |
| 8533 Unlock the internal variable {name}. Does the | |
| 8534 opposite of |:lockvar|. | |
| 8535 | |
| 8536 | |
| 7 | 8537 :if {expr1} *:if* *:endif* *:en* *E171* *E579* *E580* |
| 8538 :en[dif] Execute the commands until the next matching ":else" | |
| 8539 or ":endif" if {expr1} evaluates to non-zero. | |
| 8540 | |
| 8541 From Vim version 4.5 until 5.0, every Ex command in | |
| 8542 between the ":if" and ":endif" is ignored. These two | |
| 8543 commands were just to allow for future expansions in a | |
|
7659
07f11de5efca
commit https://github.com/vim/vim/commit/85084ef1e999dcf50e8d466106a33bac24a0febb
Christian Brabandt <cb@256bit.org>
parents:
7653
diff
changeset
|
8544 backward compatible way. Nesting was allowed. Note |
| 7 | 8545 that any ":else" or ":elseif" was ignored, the "else" |
| 8546 part was not executed either. | |
| 8547 | |
| 8548 You can use this to remain compatible with older | |
| 8549 versions: > | |
| 8550 :if version >= 500 | |
| 8551 : version-5-specific-commands | |
| 8552 :endif | |
| 8553 < The commands still need to be parsed to find the | |
| 8554 "endif". Sometimes an older Vim has a problem with a | |
| 8555 new command. For example, ":silent" is recognized as | |
| 8556 a ":substitute" command. In that case ":execute" can | |
| 8557 avoid problems: > | |
| 8558 :if version >= 600 | |
| 8559 : execute "silent 1,$delete" | |
| 8560 :endif | |
| 8561 < | |
| 8562 NOTE: The ":append" and ":insert" commands don't work | |
| 8563 properly in between ":if" and ":endif". | |
| 8564 | |
| 8565 *:else* *:el* *E581* *E583* | |
| 8566 :el[se] Execute the commands until the next matching ":else" | |
| 8567 or ":endif" if they previously were not being | |
| 8568 executed. | |
| 8569 | |
| 8570 *:elseif* *:elsei* *E582* *E584* | |
| 8571 :elsei[f] {expr1} Short for ":else" ":if", with the addition that there | |
| 8572 is no extra ":endif". | |
| 8573 | |
| 8574 :wh[ile] {expr1} *:while* *:endwhile* *:wh* *:endw* | |
| 114 | 8575 *E170* *E585* *E588* *E733* |
| 7 | 8576 :endw[hile] Repeat the commands between ":while" and ":endwhile", |
| 8577 as long as {expr1} evaluates to non-zero. | |
| 8578 When an error is detected from a command inside the | |
| 8579 loop, execution continues after the "endwhile". | |
| 75 | 8580 Example: > |
| 8581 :let lnum = 1 | |
| 8582 :while lnum <= line("$") | |
| 8583 :call FixLine(lnum) | |
| 8584 :let lnum = lnum + 1 | |
| 8585 :endwhile | |
| 8586 < | |
| 7 | 8587 NOTE: The ":append" and ":insert" commands don't work |
| 99 | 8588 properly inside a ":while" and ":for" loop. |
| 75 | 8589 |
| 114 | 8590 :for {var} in {list} *:for* *E690* *E732* |
| 75 | 8591 :endfo[r] *:endfo* *:endfor* |
| 8592 Repeat the commands between ":for" and ":endfor" for | |
| 158 | 8593 each item in {list}. Variable {var} is set to the |
| 79 | 8594 value of each item. |
| 8595 When an error is detected for a command inside the | |
| 75 | 8596 loop, execution continues after the "endfor". |
| 464 | 8597 Changing {list} inside the loop affects what items are |
| 8598 used. Make a copy if this is unwanted: > | |
| 79 | 8599 :for item in copy(mylist) |
| 8600 < When not making a copy, Vim stores a reference to the | |
| 8601 next item in the list, before executing the commands | |
| 1621 | 8602 with the current item. Thus the current item can be |
| 79 | 8603 removed without effect. Removing any later item means |
| 8604 it will not be found. Thus the following example | |
| 8605 works (an inefficient way to make a list empty): > | |
|
2033
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Update documentation files.
Bram Moolenaar <bram@zimbu.org>
parents:
1998
diff
changeset
|
8606 for item in mylist |
|
de5a43c5eedc
Update documentation files.
Bram Moolenaar <bram@zimbu.org>
parents:
1998
diff
changeset
|
8607 call remove(mylist, 0) |
|
de5a43c5eedc
Update documentation files.
Bram Moolenaar <bram@zimbu.org>
parents:
1998
diff
changeset
|
8608 endfor |
| 87 | 8609 < Note that reordering the list (e.g., with sort() or |
| 8610 reverse()) may have unexpected effects. | |
| 75 | 8611 |
| 8612 :for [{var1}, {var2}, ...] in {listlist} | |
| 8613 :endfo[r] | |
| 8614 Like ":for" above, but each item in {listlist} must be | |
| 8615 a list, of which each item is assigned to {var1}, | |
| 8616 {var2}, etc. Example: > | |
| 8617 :for [lnum, col] in [[1, 3], [2, 5], [3, 8]] | |
| 8618 :echo getline(lnum)[col] | |
| 8619 :endfor | |
| 8620 < | |
| 7 | 8621 *:continue* *:con* *E586* |
| 75 | 8622 :con[tinue] When used inside a ":while" or ":for" loop, jumps back |
| 8623 to the start of the loop. | |
| 8624 If it is used after a |:try| inside the loop but | |
| 8625 before the matching |:finally| (if present), the | |
| 8626 commands following the ":finally" up to the matching | |
| 8627 |:endtry| are executed first. This process applies to | |
| 8628 all nested ":try"s inside the loop. The outermost | |
| 8629 ":endtry" then jumps back to the start of the loop. | |
| 7 | 8630 |
| 8631 *:break* *:brea* *E587* | |
| 75 | 8632 :brea[k] When used inside a ":while" or ":for" loop, skips to |
| 8633 the command after the matching ":endwhile" or | |
| 8634 ":endfor". | |
| 8635 If it is used after a |:try| inside the loop but | |
| 8636 before the matching |:finally| (if present), the | |
| 8637 commands following the ":finally" up to the matching | |
| 8638 |:endtry| are executed first. This process applies to | |
| 8639 all nested ":try"s inside the loop. The outermost | |
| 8640 ":endtry" then jumps to the command after the loop. | |
| 7 | 8641 |
| 8642 :try *:try* *:endt* *:endtry* *E600* *E601* *E602* | |
| 8643 :endt[ry] Change the error handling for the commands between | |
| 8644 ":try" and ":endtry" including everything being | |
| 8645 executed across ":source" commands, function calls, | |
| 8646 or autocommand invocations. | |
| 8647 | |
| 8648 When an error or interrupt is detected and there is | |
| 8649 a |:finally| command following, execution continues | |
| 8650 after the ":finally". Otherwise, or when the | |
| 8651 ":endtry" is reached thereafter, the next | |
| 8652 (dynamically) surrounding ":try" is checked for | |
| 8653 a corresponding ":finally" etc. Then the script | |
| 8654 processing is terminated. (Whether a function | |
| 8655 definition has an "abort" argument does not matter.) | |
| 8656 Example: > | |
| 8657 :try | edit too much | finally | echo "cleanup" | endtry | |
| 8658 :echo "impossible" " not reached, script terminated above | |
| 8659 < | |
| 8660 Moreover, an error or interrupt (dynamically) inside | |
| 8661 ":try" and ":endtry" is converted to an exception. It | |
| 8662 can be caught as if it were thrown by a |:throw| | |
| 8663 command (see |:catch|). In this case, the script | |
| 8664 processing is not terminated. | |
| 8665 | |
| 8666 The value "Vim:Interrupt" is used for an interrupt | |
| 8667 exception. An error in a Vim command is converted | |
| 8668 to a value of the form "Vim({command}):{errmsg}", | |
| 8669 other errors are converted to a value of the form | |
| 8670 "Vim:{errmsg}". {command} is the full command name, | |
| 8671 and {errmsg} is the message that is displayed if the | |
| 8672 error exception is not caught, always beginning with | |
| 8673 the error number. | |
| 8674 Examples: > | |
| 8675 :try | sleep 100 | catch /^Vim:Interrupt$/ | endtry | |
| 8676 :try | edit | catch /^Vim(edit):E\d\+/ | echo "error" | endtry | |
| 8677 < | |
| 8678 *:cat* *:catch* *E603* *E604* *E605* | |
|
2033
de5a43c5eedc
Update documentation files.
Bram Moolenaar <bram@zimbu.org>
parents:
1998
diff
changeset
|
8679 :cat[ch] /{pattern}/ The following commands until the next |:catch|, |
| 7 | 8680 |:finally|, or |:endtry| that belongs to the same |
| 8681 |:try| as the ":catch" are executed when an exception | |
| 8682 matching {pattern} is being thrown and has not yet | |
| 8683 been caught by a previous ":catch". Otherwise, these | |
| 8684 commands are skipped. | |
| 8685 When {pattern} is omitted all errors are caught. | |
| 8686 Examples: > | |
| 8687 :catch /^Vim:Interrupt$/ " catch interrupts (CTRL-C) | |
| 8688 :catch /^Vim\%((\a\+)\)\=:E/ " catch all Vim errors | |
| 8689 :catch /^Vim\%((\a\+)\)\=:/ " catch errors and interrupts | |
| 8690 :catch /^Vim(write):/ " catch all errors in :write | |
| 8691 :catch /^Vim\%((\a\+)\)\=:E123/ " catch error E123 | |
| 8692 :catch /my-exception/ " catch user exception | |
| 8693 :catch /.*/ " catch everything | |
| 8694 :catch " same as /.*/ | |
| 8695 < | |
| 8696 Another character can be used instead of / around the | |
| 8697 {pattern}, so long as it does not have a special | |
| 8698 meaning (e.g., '|' or '"') and doesn't occur inside | |
| 8699 {pattern}. | |
| 5814 | 8700 Information about the exception is available in |
| 8701 |v:exception|. Also see |throw-variables|. | |
| 7 | 8702 NOTE: It is not reliable to ":catch" the TEXT of |
| 8703 an error message because it may vary in different | |
| 8704 locales. | |
| 8705 | |
| 8706 *:fina* *:finally* *E606* *E607* | |
| 8707 :fina[lly] The following commands until the matching |:endtry| | |
| 8708 are executed whenever the part between the matching | |
| 8709 |:try| and the ":finally" is left: either by falling | |
| 8710 through to the ":finally" or by a |:continue|, | |
| 8711 |:break|, |:finish|, or |:return|, or by an error or | |
| 8712 interrupt or exception (see |:throw|). | |
| 8713 | |
| 8714 *:th* *:throw* *E608* | |
| 8715 :th[row] {expr1} The {expr1} is evaluated and thrown as an exception. | |
| 8716 If the ":throw" is used after a |:try| but before the | |
| 8717 first corresponding |:catch|, commands are skipped | |
| 8718 until the first ":catch" matching {expr1} is reached. | |
| 8719 If there is no such ":catch" or if the ":throw" is | |
| 8720 used after a ":catch" but before the |:finally|, the | |
| 8721 commands following the ":finally" (if present) up to | |
| 8722 the matching |:endtry| are executed. If the ":throw" | |
| 8723 is after the ":finally", commands up to the ":endtry" | |
| 8724 are skipped. At the ":endtry", this process applies | |
| 8725 again for the next dynamically surrounding ":try" | |
| 8726 (which may be found in a calling function or sourcing | |
| 8727 script), until a matching ":catch" has been found. | |
| 8728 If the exception is not caught, the command processing | |
| 8729 is terminated. | |
| 8730 Example: > | |
| 8731 :try | throw "oops" | catch /^oo/ | echo "caught" | endtry | |
| 2725 | 8732 < Note that "catch" may need to be on a separate line |
| 8733 for when an error causes the parsing to skip the whole | |
| 8734 line and not see the "|" that separates the commands. | |
| 7 | 8735 |
| 8736 *:ec* *:echo* | |
| 8737 :ec[ho] {expr1} .. Echoes each {expr1}, with a space in between. The | |
| 8738 first {expr1} starts on a new line. | |
| 8739 Also see |:comment|. | |
| 8740 Use "\n" to start a new line. Use "\r" to move the | |
| 8741 cursor to the first column. | |
| 8742 Uses the highlighting set by the |:echohl| command. | |
| 8743 Cannot be followed by a comment. | |
| 8744 Example: > | |
| 8745 :echo "the value of 'shell' is" &shell | |
| 1156 | 8746 < *:echo-redraw* |
| 8747 A later redraw may make the message disappear again. | |
| 8748 And since Vim mostly postpones redrawing until it's | |
| 8749 finished with a sequence of commands this happens | |
| 8750 quite often. To avoid that a command from before the | |
| 8751 ":echo" causes a redraw afterwards (redraws are often | |
| 8752 postponed until you type something), force a redraw | |
| 8753 with the |:redraw| command. Example: > | |
| 7 | 8754 :new | redraw | echo "there is a new window" |
| 8755 < | |
| 8756 *:echon* | |
| 8757 :echon {expr1} .. Echoes each {expr1}, without anything added. Also see | |
| 8758 |:comment|. | |
| 8759 Uses the highlighting set by the |:echohl| command. | |
| 8760 Cannot be followed by a comment. | |
| 8761 Example: > | |
| 8762 :echon "the value of 'shell' is " &shell | |
| 8763 < | |
| 8764 Note the difference between using ":echo", which is a | |
| 8765 Vim command, and ":!echo", which is an external shell | |
| 8766 command: > | |
| 8767 :!echo % --> filename | |
| 8768 < The arguments of ":!" are expanded, see |:_%|. > | |
| 8769 :!echo "%" --> filename or "filename" | |
| 8770 < Like the previous example. Whether you see the double | |
| 8771 quotes or not depends on your 'shell'. > | |
| 8772 :echo % --> nothing | |
| 8773 < The '%' is an illegal character in an expression. > | |
| 8774 :echo "%" --> % | |
| 8775 < This just echoes the '%' character. > | |
| 8776 :echo expand("%") --> filename | |
| 8777 < This calls the expand() function to expand the '%'. | |
| 8778 | |
| 8779 *:echoh* *:echohl* | |
| 8780 :echoh[l] {name} Use the highlight group {name} for the following | |
| 8781 |:echo|, |:echon| and |:echomsg| commands. Also used | |
| 8782 for the |input()| prompt. Example: > | |
| 8783 :echohl WarningMsg | echo "Don't panic!" | echohl None | |
| 8784 < Don't forget to set the group back to "None", | |
| 8785 otherwise all following echo's will be highlighted. | |
| 8786 | |
| 8787 *:echom* *:echomsg* | |
| 8788 :echom[sg] {expr1} .. Echo the expression(s) as a true message, saving the | |
| 8789 message in the |message-history|. | |
| 8790 Spaces are placed between the arguments as with the | |
| 8791 |:echo| command. But unprintable characters are | |
| 8792 displayed, not interpreted. | |
| 1156 | 8793 The parsing works slightly different from |:echo|, |
| 8794 more like |:execute|. All the expressions are first | |
| 8795 evaluated and concatenated before echoing anything. | |
| 8796 The expressions must evaluate to a Number or String, a | |
| 8797 Dictionary or List causes an error. | |
| 7 | 8798 Uses the highlighting set by the |:echohl| command. |
| 8799 Example: > | |
| 8800 :echomsg "It's a Zizzer Zazzer Zuzz, as you can plainly see." | |
| 1156 | 8801 < See |:echo-redraw| to avoid the message disappearing |
| 8802 when the screen is redrawn. | |
| 7 | 8803 *:echoe* *:echoerr* |
| 8804 :echoe[rr] {expr1} .. Echo the expression(s) as an error message, saving the | |
| 8805 message in the |message-history|. When used in a | |
| 8806 script or function the line number will be added. | |
| 8807 Spaces are placed between the arguments as with the | |
| 1621 | 8808 :echo command. When used inside a try conditional, |
| 7 | 8809 the message is raised as an error exception instead |
| 8810 (see |try-echoerr|). | |
| 8811 Example: > | |
| 8812 :echoerr "This script just failed!" | |
| 8813 < If you just want a highlighted message use |:echohl|. | |
| 8814 And to get a beep: > | |
| 8815 :exe "normal \<Esc>" | |
| 8816 < | |
| 8817 *:exe* *:execute* | |
| 8818 :exe[cute] {expr1} .. Executes the string that results from the evaluation | |
| 2152 | 8819 of {expr1} as an Ex command. |
| 8820 Multiple arguments are concatenated, with a space in | |
| 8821 between. To avoid the extra space use the "." | |
| 8822 operator to concatenate strings into one argument. | |
| 8823 {expr1} is used as the processed command, command line | |
| 8824 editing keys are not recognized. | |
| 7 | 8825 Cannot be followed by a comment. |
| 8826 Examples: > | |
| 2152 | 8827 :execute "buffer" nextbuf |
| 8828 :execute "normal" count . "w" | |
| 7 | 8829 < |
| 8830 ":execute" can be used to append a command to commands | |
| 8831 that don't accept a '|'. Example: > | |
| 8832 :execute '!ls' | echo "theend" | |
| 8833 | |
| 8834 < ":execute" is also a nice way to avoid having to type | |
| 8835 control characters in a Vim script for a ":normal" | |
| 8836 command: > | |
| 8837 :execute "normal ixxx\<Esc>" | |
| 8838 < This has an <Esc> character, see |expr-string|. | |
| 8839 | |
| 1621 | 8840 Be careful to correctly escape special characters in |
| 8841 file names. The |fnameescape()| function can be used | |
| 1661 | 8842 for Vim commands, |shellescape()| for |:!| commands. |
| 8843 Examples: > | |
| 1621 | 8844 :execute "e " . fnameescape(filename) |
|
5692
80e5f9584b02
Update runtime files. Add Euphoria syntax files.
Bram Moolenaar <bram@vim.org>
parents:
5690
diff
changeset
|
8845 :execute "!ls " . shellescape(filename, 1) |
| 1621 | 8846 < |
| 7 | 8847 Note: The executed string may be any command-line, but |
| 5763 | 8848 starting or ending "if", "while" and "for" does not |
| 8849 always work, because when commands are skipped the | |
| 8850 ":execute" is not evaluated and Vim loses track of | |
| 8851 where blocks start and end. Also "break" and | |
| 8852 "continue" should not be inside ":execute". | |
| 8853 This example does not work, because the ":execute" is | |
| 8854 not evaluated and Vim does not see the "while", and | |
| 8855 gives an error for finding an ":endwhile": > | |
| 8856 :if 0 | |
| 8857 : execute 'while i > 5' | |
| 8858 : echo "test" | |
| 8859 : endwhile | |
| 8860 :endif | |
| 7 | 8861 < |
| 8862 It is allowed to have a "while" or "if" command | |
| 8863 completely in the executed string: > | |
| 8864 :execute 'while i < 5 | echo i | let i = i + 1 | endwhile' | |
| 8865 < | |
| 8866 | |
|
2033
de5a43c5eedc
Update documentation files.
Bram Moolenaar <bram@zimbu.org>
parents:
1998
diff
changeset
|
8867 *:exe-comment* |
| 7 | 8868 ":execute", ":echo" and ":echon" cannot be followed by |
| 8869 a comment directly, because they see the '"' as the | |
| 8870 start of a string. But, you can use '|' followed by a | |
| 8871 comment. Example: > | |
| 8872 :echo "foo" | "this is a comment | |
| 8873 | |
| 8874 ============================================================================== | |
| 8875 8. Exception handling *exception-handling* | |
| 8876 | |
| 8877 The Vim script language comprises an exception handling feature. This section | |
| 8878 explains how it can be used in a Vim script. | |
| 8879 | |
| 8880 Exceptions may be raised by Vim on an error or on interrupt, see | |
| 8881 |catch-errors| and |catch-interrupt|. You can also explicitly throw an | |
| 8882 exception by using the ":throw" command, see |throw-catch|. | |
| 8883 | |
| 8884 | |
| 8885 TRY CONDITIONALS *try-conditionals* | |
| 8886 | |
| 8887 Exceptions can be caught or can cause cleanup code to be executed. You can | |
| 8888 use a try conditional to specify catch clauses (that catch exceptions) and/or | |
| 8889 a finally clause (to be executed for cleanup). | |
| 8890 A try conditional begins with a |:try| command and ends at the matching | |
| 8891 |:endtry| command. In between, you can use a |:catch| command to start | |
| 8892 a catch clause, or a |:finally| command to start a finally clause. There may | |
| 8893 be none or multiple catch clauses, but there is at most one finally clause, | |
| 8894 which must not be followed by any catch clauses. The lines before the catch | |
| 8895 clauses and the finally clause is called a try block. > | |
| 8896 | |
| 8897 :try | |
| 1621 | 8898 : ... |
| 8899 : ... TRY BLOCK | |
| 8900 : ... | |
| 7 | 8901 :catch /{pattern}/ |
| 1621 | 8902 : ... |
| 8903 : ... CATCH CLAUSE | |
| 8904 : ... | |
| 7 | 8905 :catch /{pattern}/ |
| 1621 | 8906 : ... |
| 8907 : ... CATCH CLAUSE | |
| 8908 : ... | |
| 7 | 8909 :finally |
| 1621 | 8910 : ... |
| 8911 : ... FINALLY CLAUSE | |
| 8912 : ... | |
| 7 | 8913 :endtry |
| 8914 | |
| 8915 The try conditional allows to watch code for exceptions and to take the | |
| 8916 appropriate actions. Exceptions from the try block may be caught. Exceptions | |
| 8917 from the try block and also the catch clauses may cause cleanup actions. | |
| 8918 When no exception is thrown during execution of the try block, the control | |
| 8919 is transferred to the finally clause, if present. After its execution, the | |
| 8920 script continues with the line following the ":endtry". | |
| 8921 When an exception occurs during execution of the try block, the remaining | |
| 8922 lines in the try block are skipped. The exception is matched against the | |
| 8923 patterns specified as arguments to the ":catch" commands. The catch clause | |
| 8924 after the first matching ":catch" is taken, other catch clauses are not | |
| 8925 executed. The catch clause ends when the next ":catch", ":finally", or | |
| 8926 ":endtry" command is reached - whatever is first. Then, the finally clause | |
| 8927 (if present) is executed. When the ":endtry" is reached, the script execution | |
| 8928 continues in the following line as usual. | |
| 8929 When an exception that does not match any of the patterns specified by the | |
| 8930 ":catch" commands is thrown in the try block, the exception is not caught by | |
| 8931 that try conditional and none of the catch clauses is executed. Only the | |
| 8932 finally clause, if present, is taken. The exception pends during execution of | |
| 8933 the finally clause. It is resumed at the ":endtry", so that commands after | |
| 8934 the ":endtry" are not executed and the exception might be caught elsewhere, | |
| 8935 see |try-nesting|. | |
| 8936 When during execution of a catch clause another exception is thrown, the | |
| 1621 | 8937 remaining lines in that catch clause are not executed. The new exception is |
| 7 | 8938 not matched against the patterns in any of the ":catch" commands of the same |
| 8939 try conditional and none of its catch clauses is taken. If there is, however, | |
| 8940 a finally clause, it is executed, and the exception pends during its | |
| 8941 execution. The commands following the ":endtry" are not executed. The new | |
| 8942 exception might, however, be caught elsewhere, see |try-nesting|. | |
| 8943 When during execution of the finally clause (if present) an exception is | |
| 1621 | 8944 thrown, the remaining lines in the finally clause are skipped. If the finally |
| 7 | 8945 clause has been taken because of an exception from the try block or one of the |
| 8946 catch clauses, the original (pending) exception is discarded. The commands | |
| 8947 following the ":endtry" are not executed, and the exception from the finally | |
| 8948 clause is propagated and can be caught elsewhere, see |try-nesting|. | |
| 8949 | |
| 8950 The finally clause is also executed, when a ":break" or ":continue" for | |
| 8951 a ":while" loop enclosing the complete try conditional is executed from the | |
| 8952 try block or a catch clause. Or when a ":return" or ":finish" is executed | |
| 8953 from the try block or a catch clause of a try conditional in a function or | |
| 8954 sourced script, respectively. The ":break", ":continue", ":return", or | |
| 8955 ":finish" pends during execution of the finally clause and is resumed when the | |
| 8956 ":endtry" is reached. It is, however, discarded when an exception is thrown | |
| 8957 from the finally clause. | |
| 8958 When a ":break" or ":continue" for a ":while" loop enclosing the complete | |
| 8959 try conditional or when a ":return" or ":finish" is encountered in the finally | |
| 8960 clause, the rest of the finally clause is skipped, and the ":break", | |
| 8961 ":continue", ":return" or ":finish" is executed as usual. If the finally | |
| 8962 clause has been taken because of an exception or an earlier ":break", | |
| 8963 ":continue", ":return", or ":finish" from the try block or a catch clause, | |
| 8964 this pending exception or command is discarded. | |
| 8965 | |
| 8966 For examples see |throw-catch| and |try-finally|. | |
| 8967 | |
| 8968 | |
| 8969 NESTING OF TRY CONDITIONALS *try-nesting* | |
| 8970 | |
| 8971 Try conditionals can be nested arbitrarily. That is, a complete try | |
| 8972 conditional can be put into the try block, a catch clause, or the finally | |
| 8973 clause of another try conditional. If the inner try conditional does not | |
| 8974 catch an exception thrown in its try block or throws a new exception from one | |
| 8975 of its catch clauses or its finally clause, the outer try conditional is | |
| 8976 checked according to the rules above. If the inner try conditional is in the | |
| 8977 try block of the outer try conditional, its catch clauses are checked, but | |
| 1621 | 8978 otherwise only the finally clause is executed. It does not matter for |
| 7 | 8979 nesting, whether the inner try conditional is directly contained in the outer |
| 8980 one, or whether the outer one sources a script or calls a function containing | |
| 8981 the inner try conditional. | |
| 8982 | |
| 8983 When none of the active try conditionals catches an exception, just their | |
| 8984 finally clauses are executed. Thereafter, the script processing terminates. | |
| 8985 An error message is displayed in case of an uncaught exception explicitly | |
| 8986 thrown by a ":throw" command. For uncaught error and interrupt exceptions | |
| 8987 implicitly raised by Vim, the error message(s) or interrupt message are shown | |
| 8988 as usual. | |
| 8989 | |
| 8990 For examples see |throw-catch|. | |
| 8991 | |
| 8992 | |
| 8993 EXAMINING EXCEPTION HANDLING CODE *except-examine* | |
| 8994 | |
| 8995 Exception handling code can get tricky. If you are in doubt what happens, set | |
| 8996 'verbose' to 13 or use the ":13verbose" command modifier when sourcing your | |
| 8997 script file. Then you see when an exception is thrown, discarded, caught, or | |
| 8998 finished. When using a verbosity level of at least 14, things pending in | |
| 8999 a finally clause are also shown. This information is also given in debug mode | |
| 9000 (see |debug-scripts|). | |
| 9001 | |
| 9002 | |
| 9003 THROWING AND CATCHING EXCEPTIONS *throw-catch* | |
| 9004 | |
| 9005 You can throw any number or string as an exception. Use the |:throw| command | |
| 9006 and pass the value to be thrown as argument: > | |
| 9007 :throw 4711 | |
| 9008 :throw "string" | |
| 9009 < *throw-expression* | |
| 9010 You can also specify an expression argument. The expression is then evaluated | |
| 9011 first, and the result is thrown: > | |
| 9012 :throw 4705 + strlen("string") | |
| 9013 :throw strpart("strings", 0, 6) | |
| 9014 | |
| 9015 An exception might be thrown during evaluation of the argument of the ":throw" | |
| 9016 command. Unless it is caught there, the expression evaluation is abandoned. | |
| 9017 The ":throw" command then does not throw a new exception. | |
| 9018 Example: > | |
| 9019 | |
| 9020 :function! Foo(arg) | |
| 9021 : try | |
| 9022 : throw a:arg | |
| 9023 : catch /foo/ | |
| 9024 : endtry | |
| 9025 : return 1 | |
| 9026 :endfunction | |
| 9027 : | |
| 9028 :function! Bar() | |
| 9029 : echo "in Bar" | |
| 9030 : return 4710 | |
| 9031 :endfunction | |
| 9032 : | |
| 9033 :throw Foo("arrgh") + Bar() | |
| 9034 | |
| 9035 This throws "arrgh", and "in Bar" is not displayed since Bar() is not | |
| 9036 executed. > | |
| 9037 :throw Foo("foo") + Bar() | |
| 9038 however displays "in Bar" and throws 4711. | |
| 9039 | |
| 9040 Any other command that takes an expression as argument might also be | |
| 1621 | 9041 abandoned by an (uncaught) exception during the expression evaluation. The |
| 7 | 9042 exception is then propagated to the caller of the command. |
| 9043 Example: > | |
| 9044 | |
| 9045 :if Foo("arrgh") | |
| 9046 : echo "then" | |
| 9047 :else | |
| 9048 : echo "else" | |
| 9049 :endif | |
| 9050 | |
| 9051 Here neither of "then" or "else" is displayed. | |
| 9052 | |
| 9053 *catch-order* | |
| 9054 Exceptions can be caught by a try conditional with one or more |:catch| | |
| 9055 commands, see |try-conditionals|. The values to be caught by each ":catch" | |
| 9056 command can be specified as a pattern argument. The subsequent catch clause | |
| 9057 gets executed when a matching exception is caught. | |
| 9058 Example: > | |
| 9059 | |
| 9060 :function! Foo(value) | |
| 9061 : try | |
| 9062 : throw a:value | |
| 9063 : catch /^\d\+$/ | |
| 9064 : echo "Number thrown" | |
| 9065 : catch /.*/ | |
| 9066 : echo "String thrown" | |
| 9067 : endtry | |
| 9068 :endfunction | |
| 9069 : | |
| 9070 :call Foo(0x1267) | |
| 9071 :call Foo('string') | |
| 9072 | |
| 9073 The first call to Foo() displays "Number thrown", the second "String thrown". | |
| 9074 An exception is matched against the ":catch" commands in the order they are | |
| 9075 specified. Only the first match counts. So you should place the more | |
| 9076 specific ":catch" first. The following order does not make sense: > | |
| 9077 | |
| 9078 : catch /.*/ | |
| 9079 : echo "String thrown" | |
| 9080 : catch /^\d\+$/ | |
| 9081 : echo "Number thrown" | |
| 9082 | |
| 9083 The first ":catch" here matches always, so that the second catch clause is | |
| 9084 never taken. | |
| 9085 | |
| 9086 *throw-variables* | |
| 9087 If you catch an exception by a general pattern, you may access the exact value | |
| 9088 in the variable |v:exception|: > | |
| 9089 | |
| 9090 : catch /^\d\+$/ | |
| 9091 : echo "Number thrown. Value is" v:exception | |
| 9092 | |
| 9093 You may also be interested where an exception was thrown. This is stored in | |
| 9094 |v:throwpoint|. Note that "v:exception" and "v:throwpoint" are valid for the | |
| 9095 exception most recently caught as long it is not finished. | |
| 9096 Example: > | |
| 9097 | |
| 9098 :function! Caught() | |
| 9099 : if v:exception != "" | |
| 9100 : echo 'Caught "' . v:exception . '" in ' . v:throwpoint | |
| 9101 : else | |
| 9102 : echo 'Nothing caught' | |
| 9103 : endif | |
| 9104 :endfunction | |
| 9105 : | |
| 9106 :function! Foo() | |
| 9107 : try | |
| 9108 : try | |
| 9109 : try | |
| 9110 : throw 4711 | |
| 9111 : finally | |
| 9112 : call Caught() | |
| 9113 : endtry | |
| 9114 : catch /.*/ | |
| 9115 : call Caught() | |
| 9116 : throw "oops" | |
| 9117 : endtry | |
| 9118 : catch /.*/ | |
| 9119 : call Caught() | |
| 9120 : finally | |
| 9121 : call Caught() | |
| 9122 : endtry | |
| 9123 :endfunction | |
| 9124 : | |
| 9125 :call Foo() | |
| 9126 | |
| 9127 This displays > | |
| 9128 | |
| 9129 Nothing caught | |
| 9130 Caught "4711" in function Foo, line 4 | |
| 9131 Caught "oops" in function Foo, line 10 | |
| 9132 Nothing caught | |
| 9133 | |
| 9134 A practical example: The following command ":LineNumber" displays the line | |
| 9135 number in the script or function where it has been used: > | |
| 9136 | |
| 9137 :function! LineNumber() | |
| 9138 : return substitute(v:throwpoint, '.*\D\(\d\+\).*', '\1', "") | |
| 9139 :endfunction | |
| 9140 :command! LineNumber try | throw "" | catch | echo LineNumber() | endtry | |
| 9141 < | |
| 9142 *try-nested* | |
| 9143 An exception that is not caught by a try conditional can be caught by | |
| 9144 a surrounding try conditional: > | |
| 9145 | |
| 9146 :try | |
| 9147 : try | |
| 9148 : throw "foo" | |
| 9149 : catch /foobar/ | |
| 9150 : echo "foobar" | |
| 9151 : finally | |
| 9152 : echo "inner finally" | |
| 9153 : endtry | |
| 9154 :catch /foo/ | |
| 9155 : echo "foo" | |
| 9156 :endtry | |
| 9157 | |
| 9158 The inner try conditional does not catch the exception, just its finally | |
| 9159 clause is executed. The exception is then caught by the outer try | |
| 9160 conditional. The example displays "inner finally" and then "foo". | |
| 9161 | |
| 9162 *throw-from-catch* | |
| 9163 You can catch an exception and throw a new one to be caught elsewhere from the | |
| 9164 catch clause: > | |
| 9165 | |
| 9166 :function! Foo() | |
| 9167 : throw "foo" | |
| 9168 :endfunction | |
| 9169 : | |
| 9170 :function! Bar() | |
| 9171 : try | |
| 9172 : call Foo() | |
| 9173 : catch /foo/ | |
| 9174 : echo "Caught foo, throw bar" | |
| 9175 : throw "bar" | |
| 9176 : endtry | |
| 9177 :endfunction | |
| 9178 : | |
| 9179 :try | |
| 9180 : call Bar() | |
| 9181 :catch /.*/ | |
| 9182 : echo "Caught" v:exception | |
| 9183 :endtry | |
| 9184 | |
| 9185 This displays "Caught foo, throw bar" and then "Caught bar". | |
| 9186 | |
| 9187 *rethrow* | |
| 9188 There is no real rethrow in the Vim script language, but you may throw | |
| 9189 "v:exception" instead: > | |
| 9190 | |
| 9191 :function! Bar() | |
| 9192 : try | |
| 9193 : call Foo() | |
| 9194 : catch /.*/ | |
| 9195 : echo "Rethrow" v:exception | |
| 9196 : throw v:exception | |
| 9197 : endtry | |
| 9198 :endfunction | |
| 9199 < *try-echoerr* | |
| 9200 Note that this method cannot be used to "rethrow" Vim error or interrupt | |
| 9201 exceptions, because it is not possible to fake Vim internal exceptions. | |
| 9202 Trying so causes an error exception. You should throw your own exception | |
| 9203 denoting the situation. If you want to cause a Vim error exception containing | |
| 9204 the original error exception value, you can use the |:echoerr| command: > | |
| 9205 | |
| 9206 :try | |
| 9207 : try | |
| 9208 : asdf | |
| 9209 : catch /.*/ | |
| 9210 : echoerr v:exception | |
| 9211 : endtry | |
| 9212 :catch /.*/ | |
| 9213 : echo v:exception | |
| 9214 :endtry | |
| 9215 | |
| 9216 This code displays | |
| 9217 | |
| 1621 | 9218 Vim(echoerr):Vim:E492: Not an editor command: asdf ~ |
| 7 | 9219 |
| 9220 | |
| 9221 CLEANUP CODE *try-finally* | |
| 9222 | |
| 9223 Scripts often change global settings and restore them at their end. If the | |
| 9224 user however interrupts the script by pressing CTRL-C, the settings remain in | |
| 1621 | 9225 an inconsistent state. The same may happen to you in the development phase of |
| 7 | 9226 a script when an error occurs or you explicitly throw an exception without |
| 9227 catching it. You can solve these problems by using a try conditional with | |
| 9228 a finally clause for restoring the settings. Its execution is guaranteed on | |
| 9229 normal control flow, on error, on an explicit ":throw", and on interrupt. | |
| 9230 (Note that errors and interrupts from inside the try conditional are converted | |
| 1621 | 9231 to exceptions. When not caught, they terminate the script after the finally |
| 7 | 9232 clause has been executed.) |
| 9233 Example: > | |
| 9234 | |
| 9235 :try | |
| 9236 : let s:saved_ts = &ts | |
| 9237 : set ts=17 | |
| 9238 : | |
| 9239 : " Do the hard work here. | |
| 9240 : | |
| 9241 :finally | |
| 9242 : let &ts = s:saved_ts | |
| 9243 : unlet s:saved_ts | |
| 9244 :endtry | |
| 9245 | |
| 9246 This method should be used locally whenever a function or part of a script | |
| 9247 changes global settings which need to be restored on failure or normal exit of | |
| 9248 that function or script part. | |
| 9249 | |
| 9250 *break-finally* | |
| 9251 Cleanup code works also when the try block or a catch clause is left by | |
| 9252 a ":continue", ":break", ":return", or ":finish". | |
| 9253 Example: > | |
| 9254 | |
| 9255 :let first = 1 | |
| 9256 :while 1 | |
| 9257 : try | |
| 9258 : if first | |
| 9259 : echo "first" | |
| 9260 : let first = 0 | |
| 9261 : continue | |
| 9262 : else | |
| 9263 : throw "second" | |
| 9264 : endif | |
| 9265 : catch /.*/ | |
| 9266 : echo v:exception | |
| 9267 : break | |
| 9268 : finally | |
| 9269 : echo "cleanup" | |
| 9270 : endtry | |
| 9271 : echo "still in while" | |
| 9272 :endwhile | |
| 9273 :echo "end" | |
| 9274 | |
| 9275 This displays "first", "cleanup", "second", "cleanup", and "end". > | |
| 9276 | |
| 9277 :function! Foo() | |
| 9278 : try | |
| 9279 : return 4711 | |
| 9280 : finally | |
| 9281 : echo "cleanup\n" | |
| 9282 : endtry | |
| 9283 : echo "Foo still active" | |
| 9284 :endfunction | |
| 9285 : | |
| 9286 :echo Foo() "returned by Foo" | |
| 9287 | |
| 9288 This displays "cleanup" and "4711 returned by Foo". You don't need to add an | |
| 1621 | 9289 extra ":return" in the finally clause. (Above all, this would override the |
| 7 | 9290 return value.) |
| 9291 | |
| 9292 *except-from-finally* | |
| 9293 Using either of ":continue", ":break", ":return", ":finish", or ":throw" in | |
| 9294 a finally clause is possible, but not recommended since it abandons the | |
| 9295 cleanup actions for the try conditional. But, of course, interrupt and error | |
| 9296 exceptions might get raised from a finally clause. | |
| 9297 Example where an error in the finally clause stops an interrupt from | |
| 9298 working correctly: > | |
| 9299 | |
| 9300 :try | |
| 9301 : try | |
| 9302 : echo "Press CTRL-C for interrupt" | |
| 9303 : while 1 | |
| 9304 : endwhile | |
| 9305 : finally | |
| 9306 : unlet novar | |
| 9307 : endtry | |
| 9308 :catch /novar/ | |
| 9309 :endtry | |
| 9310 :echo "Script still running" | |
| 9311 :sleep 1 | |
| 9312 | |
| 9313 If you need to put commands that could fail into a finally clause, you should | |
| 9314 think about catching or ignoring the errors in these commands, see | |
| 9315 |catch-errors| and |ignore-errors|. | |
| 9316 | |
| 9317 | |
| 9318 CATCHING ERRORS *catch-errors* | |
| 9319 | |
| 9320 If you want to catch specific errors, you just have to put the code to be | |
| 9321 watched in a try block and add a catch clause for the error message. The | |
| 9322 presence of the try conditional causes all errors to be converted to an | |
| 9323 exception. No message is displayed and |v:errmsg| is not set then. To find | |
| 9324 the right pattern for the ":catch" command, you have to know how the format of | |
| 9325 the error exception is. | |
| 9326 Error exceptions have the following format: > | |
| 9327 | |
| 9328 Vim({cmdname}):{errmsg} | |
| 9329 or > | |
| 9330 Vim:{errmsg} | |
| 9331 | |
| 9332 {cmdname} is the name of the command that failed; the second form is used when | |
| 1621 | 9333 the command name is not known. {errmsg} is the error message usually produced |
| 7 | 9334 when the error occurs outside try conditionals. It always begins with |
| 9335 a capital "E", followed by a two or three-digit error number, a colon, and | |
| 9336 a space. | |
| 9337 | |
| 9338 Examples: | |
| 9339 | |
| 9340 The command > | |
| 9341 :unlet novar | |
| 9342 normally produces the error message > | |
| 9343 E108: No such variable: "novar" | |
| 9344 which is converted inside try conditionals to an exception > | |
| 9345 Vim(unlet):E108: No such variable: "novar" | |
| 9346 | |
| 9347 The command > | |
| 9348 :dwim | |
| 9349 normally produces the error message > | |
| 9350 E492: Not an editor command: dwim | |
| 9351 which is converted inside try conditionals to an exception > | |
| 9352 Vim:E492: Not an editor command: dwim | |
| 9353 | |
| 9354 You can catch all ":unlet" errors by a > | |
| 9355 :catch /^Vim(unlet):/ | |
| 9356 or all errors for misspelled command names by a > | |
| 9357 :catch /^Vim:E492:/ | |
| 9358 | |
| 9359 Some error messages may be produced by different commands: > | |
| 9360 :function nofunc | |
| 9361 and > | |
| 9362 :delfunction nofunc | |
| 9363 both produce the error message > | |
| 9364 E128: Function name must start with a capital: nofunc | |
| 9365 which is converted inside try conditionals to an exception > | |
| 9366 Vim(function):E128: Function name must start with a capital: nofunc | |
| 9367 or > | |
| 9368 Vim(delfunction):E128: Function name must start with a capital: nofunc | |
| 9369 respectively. You can catch the error by its number independently on the | |
| 9370 command that caused it if you use the following pattern: > | |
| 9371 :catch /^Vim(\a\+):E128:/ | |
| 9372 | |
| 9373 Some commands like > | |
| 9374 :let x = novar | |
| 9375 produce multiple error messages, here: > | |
| 9376 E121: Undefined variable: novar | |
| 9377 E15: Invalid expression: novar | |
| 9378 Only the first is used for the exception value, since it is the most specific | |
| 9379 one (see |except-several-errors|). So you can catch it by > | |
| 9380 :catch /^Vim(\a\+):E121:/ | |
| 9381 | |
| 9382 You can catch all errors related to the name "nofunc" by > | |
| 9383 :catch /\<nofunc\>/ | |
| 9384 | |
| 9385 You can catch all Vim errors in the ":write" and ":read" commands by > | |
| 9386 :catch /^Vim(\(write\|read\)):E\d\+:/ | |
| 9387 | |
| 9388 You can catch all Vim errors by the pattern > | |
| 9389 :catch /^Vim\((\a\+)\)\=:E\d\+:/ | |
| 9390 < | |
| 9391 *catch-text* | |
| 9392 NOTE: You should never catch the error message text itself: > | |
| 9393 :catch /No such variable/ | |
| 6647 | 9394 only works in the English locale, but not when the user has selected |
| 7 | 9395 a different language by the |:language| command. It is however helpful to |
| 9396 cite the message text in a comment: > | |
| 9397 :catch /^Vim(\a\+):E108:/ " No such variable | |
| 9398 | |
| 9399 | |
| 9400 IGNORING ERRORS *ignore-errors* | |
| 9401 | |
| 9402 You can ignore errors in a specific Vim command by catching them locally: > | |
| 9403 | |
| 9404 :try | |
| 9405 : write | |
| 9406 :catch | |
| 9407 :endtry | |
| 9408 | |
| 9409 But you are strongly recommended NOT to use this simple form, since it could | |
| 9410 catch more than you want. With the ":write" command, some autocommands could | |
| 9411 be executed and cause errors not related to writing, for instance: > | |
| 9412 | |
| 9413 :au BufWritePre * unlet novar | |
| 9414 | |
| 9415 There could even be such errors you are not responsible for as a script | |
| 9416 writer: a user of your script might have defined such autocommands. You would | |
| 9417 then hide the error from the user. | |
| 9418 It is much better to use > | |
| 9419 | |
| 9420 :try | |
| 9421 : write | |
| 9422 :catch /^Vim(write):/ | |
| 9423 :endtry | |
| 9424 | |
| 9425 which only catches real write errors. So catch only what you'd like to ignore | |
| 9426 intentionally. | |
| 9427 | |
| 9428 For a single command that does not cause execution of autocommands, you could | |
| 9429 even suppress the conversion of errors to exceptions by the ":silent!" | |
| 9430 command: > | |
| 9431 :silent! nunmap k | |
| 9432 This works also when a try conditional is active. | |
| 9433 | |
| 9434 | |
| 9435 CATCHING INTERRUPTS *catch-interrupt* | |
| 9436 | |
| 9437 When there are active try conditionals, an interrupt (CTRL-C) is converted to | |
| 1621 | 9438 the exception "Vim:Interrupt". You can catch it like every exception. The |
| 7 | 9439 script is not terminated, then. |
| 9440 Example: > | |
| 9441 | |
| 9442 :function! TASK1() | |
| 9443 : sleep 10 | |
| 9444 :endfunction | |
| 9445 | |
| 9446 :function! TASK2() | |
| 9447 : sleep 20 | |
| 9448 :endfunction | |
| 9449 | |
| 9450 :while 1 | |
| 9451 : let command = input("Type a command: ") | |
| 9452 : try | |
| 9453 : if command == "" | |
| 9454 : continue | |
| 9455 : elseif command == "END" | |
| 9456 : break | |
| 9457 : elseif command == "TASK1" | |
| 9458 : call TASK1() | |
| 9459 : elseif command == "TASK2" | |
| 9460 : call TASK2() | |
| 9461 : else | |
| 9462 : echo "\nIllegal command:" command | |
| 9463 : continue | |
| 9464 : endif | |
| 9465 : catch /^Vim:Interrupt$/ | |
| 9466 : echo "\nCommand interrupted" | |
| 9467 : " Caught the interrupt. Continue with next prompt. | |
| 9468 : endtry | |
| 9469 :endwhile | |
| 9470 | |
| 9471 You can interrupt a task here by pressing CTRL-C; the script then asks for | |
| 1621 | 9472 a new command. If you press CTRL-C at the prompt, the script is terminated. |
| 7 | 9473 |
| 9474 For testing what happens when CTRL-C would be pressed on a specific line in | |
| 9475 your script, use the debug mode and execute the |>quit| or |>interrupt| | |
| 9476 command on that line. See |debug-scripts|. | |
| 9477 | |
| 9478 | |
| 9479 CATCHING ALL *catch-all* | |
| 9480 | |
| 9481 The commands > | |
| 9482 | |
| 9483 :catch /.*/ | |
| 9484 :catch // | |
| 9485 :catch | |
| 9486 | |
| 9487 catch everything, error exceptions, interrupt exceptions and exceptions | |
| 9488 explicitly thrown by the |:throw| command. This is useful at the top level of | |
| 9489 a script in order to catch unexpected things. | |
| 9490 Example: > | |
| 9491 | |
| 9492 :try | |
| 9493 : | |
| 9494 : " do the hard work here | |
| 9495 : | |
| 9496 :catch /MyException/ | |
| 9497 : | |
| 9498 : " handle known problem | |
| 9499 : | |
| 9500 :catch /^Vim:Interrupt$/ | |
| 9501 : echo "Script interrupted" | |
| 9502 :catch /.*/ | |
| 9503 : echo "Internal error (" . v:exception . ")" | |
| 9504 : echo " - occurred at " . v:throwpoint | |
| 9505 :endtry | |
| 9506 :" end of script | |
| 9507 | |
| 9508 Note: Catching all might catch more things than you want. Thus, you are | |
| 9509 strongly encouraged to catch only for problems that you can really handle by | |
| 9510 specifying a pattern argument to the ":catch". | |
| 9511 Example: Catching all could make it nearly impossible to interrupt a script | |
| 9512 by pressing CTRL-C: > | |
| 9513 | |
| 9514 :while 1 | |
| 9515 : try | |
| 9516 : sleep 1 | |
| 9517 : catch | |
| 9518 : endtry | |
| 9519 :endwhile | |
| 9520 | |
| 9521 | |
| 9522 EXCEPTIONS AND AUTOCOMMANDS *except-autocmd* | |
| 9523 | |
| 9524 Exceptions may be used during execution of autocommands. Example: > | |
| 9525 | |
| 9526 :autocmd User x try | |
| 9527 :autocmd User x throw "Oops!" | |
| 9528 :autocmd User x catch | |
| 9529 :autocmd User x echo v:exception | |
| 9530 :autocmd User x endtry | |
| 9531 :autocmd User x throw "Arrgh!" | |
| 9532 :autocmd User x echo "Should not be displayed" | |
| 9533 : | |
| 9534 :try | |
| 9535 : doautocmd User x | |
| 9536 :catch | |
| 9537 : echo v:exception | |
| 9538 :endtry | |
| 9539 | |
| 9540 This displays "Oops!" and "Arrgh!". | |
| 9541 | |
| 9542 *except-autocmd-Pre* | |
| 9543 For some commands, autocommands get executed before the main action of the | |
| 9544 command takes place. If an exception is thrown and not caught in the sequence | |
| 9545 of autocommands, the sequence and the command that caused its execution are | |
| 9546 abandoned and the exception is propagated to the caller of the command. | |
| 9547 Example: > | |
| 9548 | |
| 9549 :autocmd BufWritePre * throw "FAIL" | |
| 9550 :autocmd BufWritePre * echo "Should not be displayed" | |
| 9551 : | |
| 9552 :try | |
| 9553 : write | |
| 9554 :catch | |
| 9555 : echo "Caught:" v:exception "from" v:throwpoint | |
| 9556 :endtry | |
| 9557 | |
| 9558 Here, the ":write" command does not write the file currently being edited (as | |
| 9559 you can see by checking 'modified'), since the exception from the BufWritePre | |
| 9560 autocommand abandons the ":write". The exception is then caught and the | |
| 9561 script displays: > | |
| 9562 | |
| 9563 Caught: FAIL from BufWrite Auto commands for "*" | |
| 9564 < | |
| 9565 *except-autocmd-Post* | |
| 9566 For some commands, autocommands get executed after the main action of the | |
| 9567 command has taken place. If this main action fails and the command is inside | |
| 9568 an active try conditional, the autocommands are skipped and an error exception | |
| 9569 is thrown that can be caught by the caller of the command. | |
| 9570 Example: > | |
| 9571 | |
| 9572 :autocmd BufWritePost * echo "File successfully written!" | |
| 9573 : | |
| 9574 :try | |
| 9575 : write /i/m/p/o/s/s/i/b/l/e | |
| 9576 :catch | |
| 9577 : echo v:exception | |
| 9578 :endtry | |
| 9579 | |
| 9580 This just displays: > | |
| 9581 | |
| 9582 Vim(write):E212: Can't open file for writing (/i/m/p/o/s/s/i/b/l/e) | |
| 9583 | |
| 9584 If you really need to execute the autocommands even when the main action | |
| 9585 fails, trigger the event from the catch clause. | |
| 9586 Example: > | |
| 9587 | |
| 9588 :autocmd BufWritePre * set noreadonly | |
| 9589 :autocmd BufWritePost * set readonly | |
| 9590 : | |
| 9591 :try | |
| 9592 : write /i/m/p/o/s/s/i/b/l/e | |
| 9593 :catch | |
| 9594 : doautocmd BufWritePost /i/m/p/o/s/s/i/b/l/e | |
| 9595 :endtry | |
| 9596 < | |
| 9597 You can also use ":silent!": > | |
| 9598 | |
| 9599 :let x = "ok" | |
| 9600 :let v:errmsg = "" | |
| 9601 :autocmd BufWritePost * if v:errmsg != "" | |
| 9602 :autocmd BufWritePost * let x = "after fail" | |
| 9603 :autocmd BufWritePost * endif | |
| 9604 :try | |
| 9605 : silent! write /i/m/p/o/s/s/i/b/l/e | |
| 9606 :catch | |
| 9607 :endtry | |
| 9608 :echo x | |
| 9609 | |
| 9610 This displays "after fail". | |
| 9611 | |
| 9612 If the main action of the command does not fail, exceptions from the | |
| 9613 autocommands will be catchable by the caller of the command: > | |
| 9614 | |
| 9615 :autocmd BufWritePost * throw ":-(" | |
| 9616 :autocmd BufWritePost * echo "Should not be displayed" | |
| 9617 : | |
| 9618 :try | |
| 9619 : write | |
| 9620 :catch | |
| 9621 : echo v:exception | |
| 9622 :endtry | |
| 9623 < | |
| 9624 *except-autocmd-Cmd* | |
| 9625 For some commands, the normal action can be replaced by a sequence of | |
| 9626 autocommands. Exceptions from that sequence will be catchable by the caller | |
| 9627 of the command. | |
| 9628 Example: For the ":write" command, the caller cannot know whether the file | |
| 1621 | 9629 had actually been written when the exception occurred. You need to tell it in |
| 7 | 9630 some way. > |
| 9631 | |
| 9632 :if !exists("cnt") | |
| 9633 : let cnt = 0 | |
| 9634 : | |
| 9635 : autocmd BufWriteCmd * if &modified | |
| 9636 : autocmd BufWriteCmd * let cnt = cnt + 1 | |
| 9637 : autocmd BufWriteCmd * if cnt % 3 == 2 | |
| 9638 : autocmd BufWriteCmd * throw "BufWriteCmdError" | |
| 9639 : autocmd BufWriteCmd * endif | |
| 9640 : autocmd BufWriteCmd * write | set nomodified | |
| 9641 : autocmd BufWriteCmd * if cnt % 3 == 0 | |
| 9642 : autocmd BufWriteCmd * throw "BufWriteCmdError" | |
| 9643 : autocmd BufWriteCmd * endif | |
| 9644 : autocmd BufWriteCmd * echo "File successfully written!" | |
| 9645 : autocmd BufWriteCmd * endif | |
| 9646 :endif | |
| 9647 : | |
| 9648 :try | |
| 9649 : write | |
| 9650 :catch /^BufWriteCmdError$/ | |
| 9651 : if &modified | |
| 9652 : echo "Error on writing (file contents not changed)" | |
| 9653 : else | |
| 9654 : echo "Error after writing" | |
| 9655 : endif | |
| 9656 :catch /^Vim(write):/ | |
| 9657 : echo "Error on writing" | |
| 9658 :endtry | |
| 9659 | |
| 9660 When this script is sourced several times after making changes, it displays | |
| 9661 first > | |
| 9662 File successfully written! | |
| 9663 then > | |
| 9664 Error on writing (file contents not changed) | |
| 9665 then > | |
| 9666 Error after writing | |
| 9667 etc. | |
| 9668 | |
| 9669 *except-autocmd-ill* | |
| 9670 You cannot spread a try conditional over autocommands for different events. | |
| 9671 The following code is ill-formed: > | |
| 9672 | |
| 9673 :autocmd BufWritePre * try | |
| 9674 : | |
| 9675 :autocmd BufWritePost * catch | |
| 9676 :autocmd BufWritePost * echo v:exception | |
| 9677 :autocmd BufWritePost * endtry | |
| 9678 : | |
| 9679 :write | |
| 9680 | |
| 9681 | |
| 9682 EXCEPTION HIERARCHIES AND PARAMETERIZED EXCEPTIONS *except-hier-param* | |
| 9683 | |
| 9684 Some programming languages allow to use hierarchies of exception classes or to | |
| 9685 pass additional information with the object of an exception class. You can do | |
| 9686 similar things in Vim. | |
| 9687 In order to throw an exception from a hierarchy, just throw the complete | |
| 9688 class name with the components separated by a colon, for instance throw the | |
| 9689 string "EXCEPT:MATHERR:OVERFLOW" for an overflow in a mathematical library. | |
| 9690 When you want to pass additional information with your exception class, add | |
| 9691 it in parentheses, for instance throw the string "EXCEPT:IO:WRITEERR(myfile)" | |
| 9692 for an error when writing "myfile". | |
| 9693 With the appropriate patterns in the ":catch" command, you can catch for | |
| 9694 base classes or derived classes of your hierarchy. Additional information in | |
| 9695 parentheses can be cut out from |v:exception| with the ":substitute" command. | |
| 9696 Example: > | |
| 9697 | |
| 9698 :function! CheckRange(a, func) | |
| 9699 : if a:a < 0 | |
| 9700 : throw "EXCEPT:MATHERR:RANGE(" . a:func . ")" | |
| 9701 : endif | |
| 9702 :endfunction | |
| 9703 : | |
| 9704 :function! Add(a, b) | |
| 9705 : call CheckRange(a:a, "Add") | |
| 9706 : call CheckRange(a:b, "Add") | |
| 9707 : let c = a:a + a:b | |
| 9708 : if c < 0 | |
| 9709 : throw "EXCEPT:MATHERR:OVERFLOW" | |
| 9710 : endif | |
| 9711 : return c | |
| 9712 :endfunction | |
| 9713 : | |
| 9714 :function! Div(a, b) | |
| 9715 : call CheckRange(a:a, "Div") | |
| 9716 : call CheckRange(a:b, "Div") | |
| 9717 : if (a:b == 0) | |
| 9718 : throw "EXCEPT:MATHERR:ZERODIV" | |
| 9719 : endif | |
| 9720 : return a:a / a:b | |
| 9721 :endfunction | |
| 9722 : | |
| 9723 :function! Write(file) | |
| 9724 : try | |
| 1621 | 9725 : execute "write" fnameescape(a:file) |
| 7 | 9726 : catch /^Vim(write):/ |
| 9727 : throw "EXCEPT:IO(" . getcwd() . ", " . a:file . "):WRITEERR" | |
| 9728 : endtry | |
| 9729 :endfunction | |
| 9730 : | |
| 9731 :try | |
| 9732 : | |
| 9733 : " something with arithmetics and I/O | |
| 9734 : | |
| 9735 :catch /^EXCEPT:MATHERR:RANGE/ | |
| 9736 : let function = substitute(v:exception, '.*(\(\a\+\)).*', '\1', "") | |
| 9737 : echo "Range error in" function | |
| 9738 : | |
| 9739 :catch /^EXCEPT:MATHERR/ " catches OVERFLOW and ZERODIV | |
| 9740 : echo "Math error" | |
| 9741 : | |
| 9742 :catch /^EXCEPT:IO/ | |
| 9743 : let dir = substitute(v:exception, '.*(\(.\+\),\s*.\+).*', '\1', "") | |
| 9744 : let file = substitute(v:exception, '.*(.\+,\s*\(.\+\)).*', '\1', "") | |
| 9745 : if file !~ '^/' | |
| 9746 : let file = dir . "/" . file | |
| 9747 : endif | |
| 9748 : echo 'I/O error for "' . file . '"' | |
| 9749 : | |
| 9750 :catch /^EXCEPT/ | |
| 9751 : echo "Unspecified error" | |
| 9752 : | |
| 9753 :endtry | |
| 9754 | |
| 9755 The exceptions raised by Vim itself (on error or when pressing CTRL-C) use | |
| 9756 a flat hierarchy: they are all in the "Vim" class. You cannot throw yourself | |
| 9757 exceptions with the "Vim" prefix; they are reserved for Vim. | |
| 9758 Vim error exceptions are parameterized with the name of the command that | |
| 9759 failed, if known. See |catch-errors|. | |
| 9760 | |
| 9761 | |
| 9762 PECULIARITIES | |
| 9763 *except-compat* | |
| 9764 The exception handling concept requires that the command sequence causing the | |
| 9765 exception is aborted immediately and control is transferred to finally clauses | |
| 9766 and/or a catch clause. | |
| 9767 | |
| 9768 In the Vim script language there are cases where scripts and functions | |
| 9769 continue after an error: in functions without the "abort" flag or in a command | |
| 9770 after ":silent!", control flow goes to the following line, and outside | |
| 9771 functions, control flow goes to the line following the outermost ":endwhile" | |
| 9772 or ":endif". On the other hand, errors should be catchable as exceptions | |
| 9773 (thus, requiring the immediate abortion). | |
| 9774 | |
| 9775 This problem has been solved by converting errors to exceptions and using | |
| 9776 immediate abortion (if not suppressed by ":silent!") only when a try | |
| 1621 | 9777 conditional is active. This is no restriction since an (error) exception can |
| 9778 be caught only from an active try conditional. If you want an immediate | |
| 7 | 9779 termination without catching the error, just use a try conditional without |
| 9780 catch clause. (You can cause cleanup code being executed before termination | |
| 9781 by specifying a finally clause.) | |
| 9782 | |
| 9783 When no try conditional is active, the usual abortion and continuation | |
| 9784 behavior is used instead of immediate abortion. This ensures compatibility of | |
| 9785 scripts written for Vim 6.1 and earlier. | |
| 9786 | |
| 9787 However, when sourcing an existing script that does not use exception handling | |
| 9788 commands (or when calling one of its functions) from inside an active try | |
| 9789 conditional of a new script, you might change the control flow of the existing | |
| 9790 script on error. You get the immediate abortion on error and can catch the | |
| 9791 error in the new script. If however the sourced script suppresses error | |
| 9792 messages by using the ":silent!" command (checking for errors by testing | |
| 1621 | 9793 |v:errmsg| if appropriate), its execution path is not changed. The error is |
| 9794 not converted to an exception. (See |:silent|.) So the only remaining cause | |
| 7 | 9795 where this happens is for scripts that don't care about errors and produce |
| 9796 error messages. You probably won't want to use such code from your new | |
| 9797 scripts. | |
| 9798 | |
| 9799 *except-syntax-err* | |
| 9800 Syntax errors in the exception handling commands are never caught by any of | |
| 9801 the ":catch" commands of the try conditional they belong to. Its finally | |
| 9802 clauses, however, is executed. | |
| 9803 Example: > | |
| 9804 | |
| 9805 :try | |
| 9806 : try | |
| 9807 : throw 4711 | |
| 9808 : catch /\(/ | |
| 9809 : echo "in catch with syntax error" | |
| 9810 : catch | |
| 9811 : echo "inner catch-all" | |
| 9812 : finally | |
| 9813 : echo "inner finally" | |
| 9814 : endtry | |
| 9815 :catch | |
| 9816 : echo 'outer catch-all caught "' . v:exception . '"' | |
| 9817 : finally | |
| 9818 : echo "outer finally" | |
| 9819 :endtry | |
| 9820 | |
| 9821 This displays: > | |
| 9822 inner finally | |
| 9823 outer catch-all caught "Vim(catch):E54: Unmatched \(" | |
| 9824 outer finally | |
| 9825 The original exception is discarded and an error exception is raised, instead. | |
| 9826 | |
| 9827 *except-single-line* | |
| 9828 The ":try", ":catch", ":finally", and ":endtry" commands can be put on | |
| 9829 a single line, but then syntax errors may make it difficult to recognize the | |
| 9830 "catch" line, thus you better avoid this. | |
| 9831 Example: > | |
| 9832 :try | unlet! foo # | catch | endtry | |
| 9833 raises an error exception for the trailing characters after the ":unlet!" | |
| 9834 argument, but does not see the ":catch" and ":endtry" commands, so that the | |
| 9835 error exception is discarded and the "E488: Trailing characters" message gets | |
| 9836 displayed. | |
| 9837 | |
| 9838 *except-several-errors* | |
| 9839 When several errors appear in a single command, the first error message is | |
| 9840 usually the most specific one and therefor converted to the error exception. | |
| 9841 Example: > | |
| 9842 echo novar | |
| 9843 causes > | |
| 9844 E121: Undefined variable: novar | |
| 9845 E15: Invalid expression: novar | |
| 9846 The value of the error exception inside try conditionals is: > | |
| 9847 Vim(echo):E121: Undefined variable: novar | |
| 9848 < *except-syntax-error* | |
| 9849 But when a syntax error is detected after a normal error in the same command, | |
| 9850 the syntax error is used for the exception being thrown. | |
| 9851 Example: > | |
| 9852 unlet novar # | |
| 9853 causes > | |
| 9854 E108: No such variable: "novar" | |
| 9855 E488: Trailing characters | |
| 9856 The value of the error exception inside try conditionals is: > | |
| 9857 Vim(unlet):E488: Trailing characters | |
| 9858 This is done because the syntax error might change the execution path in a way | |
| 9859 not intended by the user. Example: > | |
| 9860 try | |
| 9861 try | unlet novar # | catch | echo v:exception | endtry | |
| 9862 catch /.*/ | |
| 9863 echo "outer catch:" v:exception | |
| 9864 endtry | |
| 9865 This displays "outer catch: Vim(unlet):E488: Trailing characters", and then | |
| 9866 a "E600: Missing :endtry" error message is given, see |except-single-line|. | |
| 9867 | |
| 9868 ============================================================================== | |
| 9869 9. Examples *eval-examples* | |
| 9870 | |
| 1156 | 9871 Printing in Binary ~ |
| 7 | 9872 > |
|
2033
de5a43c5eedc
Update documentation files.
Bram Moolenaar <bram@zimbu.org>
parents:
1998
diff
changeset
|
9873 :" The function Nr2Bin() returns the binary string representation of a number. |
| 1156 | 9874 :func Nr2Bin(nr) |
| 7 | 9875 : let n = a:nr |
| 9876 : let r = "" | |
| 9877 : while n | |
| 1156 | 9878 : let r = '01'[n % 2] . r |
| 9879 : let n = n / 2 | |
| 7 | 9880 : endwhile |
| 9881 : return r | |
| 9882 :endfunc | |
| 9883 | |
| 1156 | 9884 :" The function String2Bin() converts each character in a string to a |
| 9885 :" binary string, separated with dashes. | |
| 9886 :func String2Bin(str) | |
| 7 | 9887 : let out = '' |
| 1156 | 9888 : for ix in range(strlen(a:str)) |
| 9889 : let out = out . '-' . Nr2Bin(char2nr(a:str[ix])) | |
| 9890 : endfor | |
| 9891 : return out[1:] | |
| 7 | 9892 :endfunc |
| 9893 | |
| 9894 Example of its use: > | |
| 1156 | 9895 :echo Nr2Bin(32) |
| 9896 result: "100000" > | |
| 9897 :echo String2Bin("32") | |
| 9898 result: "110011-110010" | |
| 9899 | |
| 9900 | |
| 9901 Sorting lines ~ | |
| 9902 | |
| 9903 This example sorts lines with a specific compare function. > | |
| 9904 | |
| 9905 :func SortBuffer() | |
| 9906 : let lines = getline(1, '$') | |
| 9907 : call sort(lines, function("Strcmp")) | |
| 9908 : call setline(1, lines) | |
| 7 | 9909 :endfunction |
| 9910 | |
| 1156 | 9911 As a one-liner: > |
| 9912 :call setline(1, sort(getline(1, '$'), function("Strcmp"))) | |
| 9913 | |
| 9914 | |
| 9915 scanf() replacement ~ | |
| 7 | 9916 *sscanf* |
| 9917 There is no sscanf() function in Vim. If you need to extract parts from a | |
| 9918 line, you can use matchstr() and substitute() to do it. This example shows | |
| 9919 how to get the file name, line number and column number out of a line like | |
| 9920 "foobar.txt, 123, 45". > | |
| 9921 :" Set up the match bit | |
| 9922 :let mx='\(\f\+\),\s*\(\d\+\),\s*\(\d\+\)' | |
| 9923 :"get the part matching the whole expression | |
| 9924 :let l = matchstr(line, mx) | |
| 9925 :"get each item out of the match | |
| 9926 :let file = substitute(l, mx, '\1', '') | |
| 9927 :let lnum = substitute(l, mx, '\2', '') | |
| 9928 :let col = substitute(l, mx, '\3', '') | |
| 9929 | |
| 9930 The input is in the variable "line", the results in the variables "file", | |
| 9931 "lnum" and "col". (idea from Michael Geddes) | |
| 9932 | |
| 1156 | 9933 |
| 9934 getting the scriptnames in a Dictionary ~ | |
| 9935 *scriptnames-dictionary* | |
| 9936 The |:scriptnames| command can be used to get a list of all script files that | |
| 9937 have been sourced. There is no equivalent function or variable for this | |
| 9938 (because it's rarely needed). In case you need to manipulate the list this | |
| 9939 code can be used: > | |
| 9940 " Get the output of ":scriptnames" in the scriptnames_output variable. | |
| 9941 let scriptnames_output = '' | |
| 9942 redir => scriptnames_output | |
| 9943 silent scriptnames | |
| 9944 redir END | |
| 9945 | |
| 1621 | 9946 " Split the output into lines and parse each line. Add an entry to the |
| 1156 | 9947 " "scripts" dictionary. |
| 9948 let scripts = {} | |
| 9949 for line in split(scriptnames_output, "\n") | |
| 9950 " Only do non-blank lines. | |
| 9951 if line =~ '\S' | |
| 9952 " Get the first number in the line. | |
| 1621 | 9953 let nr = matchstr(line, '\d\+') |
| 1156 | 9954 " Get the file name, remove the script number " 123: ". |
| 1621 | 9955 let name = substitute(line, '.\+:\s*', '', '') |
| 1156 | 9956 " Add an item to the Dictionary |
| 1621 | 9957 let scripts[nr] = name |
| 1156 | 9958 endif |
| 9959 endfor | |
| 9960 unlet scriptnames_output | |
| 9961 | |
| 7 | 9962 ============================================================================== |
| 9963 10. No +eval feature *no-eval-feature* | |
| 9964 | |
| 9965 When the |+eval| feature was disabled at compile time, none of the expression | |
| 9966 evaluation commands are available. To prevent this from causing Vim scripts | |
| 9967 to generate all kinds of errors, the ":if" and ":endif" commands are still | |
| 9968 recognized, though the argument of the ":if" and everything between the ":if" | |
| 9969 and the matching ":endif" is ignored. Nesting of ":if" blocks is allowed, but | |
| 9970 only if the commands are at the start of the line. The ":else" command is not | |
| 9971 recognized. | |
| 9972 | |
| 9973 Example of how to avoid executing commands when the |+eval| feature is | |
| 9974 missing: > | |
| 9975 | |
| 9976 :if 1 | |
| 9977 : echo "Expression evaluation is compiled in" | |
| 9978 :else | |
| 9979 : echo "You will _never_ see this message" | |
| 9980 :endif | |
| 9981 | |
| 9982 ============================================================================== | |
| 9983 11. The sandbox *eval-sandbox* *sandbox* *E48* | |
| 9984 | |
|
2350
06feaf4fe36a
Rename some "python3" symbols to "py3", as the command name.
Bram Moolenaar <bram@vim.org>
parents:
2345
diff
changeset
|
9985 The 'foldexpr', 'formatexpr', 'includeexpr', 'indentexpr', 'statusline' and |
|
06feaf4fe36a
Rename some "python3" symbols to "py3", as the command name.
Bram Moolenaar <bram@vim.org>
parents:
2345
diff
changeset
|
9986 'foldtext' options may be evaluated in a sandbox. This means that you are |
|
06feaf4fe36a
Rename some "python3" symbols to "py3", as the command name.
Bram Moolenaar <bram@vim.org>
parents:
2345
diff
changeset
|
9987 protected from these expressions having nasty side effects. This gives some |
|
06feaf4fe36a
Rename some "python3" symbols to "py3", as the command name.
Bram Moolenaar <bram@vim.org>
parents:
2345
diff
changeset
|
9988 safety for when these options are set from a modeline. It is also used when |
|
06feaf4fe36a
Rename some "python3" symbols to "py3", as the command name.
Bram Moolenaar <bram@vim.org>
parents:
2345
diff
changeset
|
9989 the command from a tags file is executed and for CTRL-R = in the command line. |
| 29 | 9990 The sandbox is also used for the |:sandbox| command. |
| 7 | 9991 |
| 9992 These items are not allowed in the sandbox: | |
| 9993 - changing the buffer text | |
| 9994 - defining or changing mapping, autocommands, functions, user commands | |
| 9995 - setting certain options (see |option-summary|) | |
| 1156 | 9996 - setting certain v: variables (see |v:var|) *E794* |
| 7 | 9997 - executing a shell command |
| 9998 - reading or writing a file | |
| 9999 - jumping to another buffer or editing a file | |
| 625 | 10000 - executing Python, Perl, etc. commands |
| 29 | 10001 This is not guaranteed 100% secure, but it should block most attacks. |
| 10002 | |
| 10003 *:san* *:sandbox* | |
| 401 | 10004 :san[dbox] {cmd} Execute {cmd} in the sandbox. Useful to evaluate an |
| 29 | 10005 option that may have been set from a modeline, e.g. |
| 10006 'foldexpr'. | |
| 10007 | |
| 634 | 10008 *sandbox-option* |
| 10009 A few options contain an expression. When this expression is evaluated it may | |
| 790 | 10010 have to be done in the sandbox to avoid a security risk. But the sandbox is |
| 634 | 10011 restrictive, thus this only happens when the option was set from an insecure |
| 10012 location. Insecure in this context are: | |
| 843 | 10013 - sourcing a .vimrc or .exrc in the current directory |
| 634 | 10014 - while executing in the sandbox |
| 10015 - value coming from a modeline | |
| 10016 | |
| 10017 Note that when in the sandbox and saving an option value and restoring it, the | |
| 10018 option will still be marked as it was set in the sandbox. | |
| 10019 | |
| 10020 ============================================================================== | |
| 10021 12. Textlock *textlock* | |
| 10022 | |
| 10023 In a few situations it is not allowed to change the text in the buffer, jump | |
| 10024 to another window and some other things that might confuse or break what Vim | |
| 10025 is currently doing. This mostly applies to things that happen when Vim is | |
| 1621 | 10026 actually doing something else. For example, evaluating the 'balloonexpr' may |
| 634 | 10027 happen any moment the mouse cursor is resting at some position. |
| 10028 | |
| 10029 This is not allowed when the textlock is active: | |
| 10030 - changing the buffer text | |
| 10031 - jumping to another buffer or window | |
| 10032 - editing another file | |
| 10033 - closing a window or quitting Vim | |
| 10034 - etc. | |
| 10035 | |
| 7 | 10036 |
| 10037 vim:tw=78:ts=8:ft=help:norl: |