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annotate runtime/doc/autocmd.txt @ 10617:9a75c8a1b8b1
Update runtime files.
commit https://github.com/vim/vim/commit/369b6f57c426b4bf39b4a0cac8d21ed1b5f7de4d
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Jan 17 12:22:32 2017 +0100
Update runtime files.
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Tue, 17 Jan 2017 12:30:05 +0100 |
| parents | 876fbdd84e52 |
| children | 4aae8146c21f |
| rev | line source |
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| 10617 | 1 *autocmd.txt* For Vim version 8.0. Last change: 2017 Jan 14 |
| 7 | 2 |
| 3 | |
| 4 VIM REFERENCE MANUAL by Bram Moolenaar | |
| 5 | |
| 6 | |
| 7 Automatic commands *autocommand* | |
| 8 | |
| 9 For a basic explanation, see section |40.3| in the user manual. | |
| 10 | |
| 11 1. Introduction |autocmd-intro| | |
| 12 2. Defining autocommands |autocmd-define| | |
| 13 3. Removing autocommands |autocmd-remove| | |
| 14 4. Listing autocommands |autocmd-list| | |
| 15 5. Events |autocmd-events| | |
| 16 6. Patterns |autocmd-patterns| | |
| 40 | 17 7. Buffer-local autocommands |autocmd-buflocal| |
| 18 8. Groups |autocmd-groups| | |
| 19 9. Executing autocommands |autocmd-execute| | |
| 20 10. Using autocommands |autocmd-use| | |
| 590 | 21 11. Disabling autocommands |autocmd-disable| |
| 7 | 22 |
| 23 {Vi does not have any of these commands} | |
| 24 {only when the |+autocmd| feature has not been disabled at compile time} | |
| 25 | |
| 26 ============================================================================== | |
| 27 1. Introduction *autocmd-intro* | |
| 28 | |
| 22 | 29 You can specify commands to be executed automatically when reading or writing |
| 30 a file, when entering or leaving a buffer or window, and when exiting Vim. | |
| 31 For example, you can create an autocommand to set the 'cindent' option for | |
| 32 files matching *.c. You can also use autocommands to implement advanced | |
| 7 | 33 features, such as editing compressed files (see |gzip-example|). The usual |
| 34 place to put autocommands is in your .vimrc or .exrc file. | |
| 35 | |
| 10617 | 36 *E203* *E204* *E143* *E855* *E937* |
| 7 | 37 WARNING: Using autocommands is very powerful, and may lead to unexpected side |
| 38 effects. Be careful not to destroy your text. | |
| 39 - It's a good idea to do some testing on an expendable copy of a file first. | |
| 40 For example: If you use autocommands to decompress a file when starting to | |
| 41 edit it, make sure that the autocommands for compressing when writing work | |
| 42 correctly. | |
| 43 - Be prepared for an error halfway through (e.g., disk full). Vim will mostly | |
| 44 be able to undo the changes to the buffer, but you may have to clean up the | |
| 45 changes to other files by hand (e.g., compress a file that has been | |
| 46 decompressed). | |
| 47 - If the BufRead* events allow you to edit a compressed file, the FileRead* | |
| 48 events should do the same (this makes recovery possible in some rare cases). | |
| 49 It's a good idea to use the same autocommands for the File* and Buf* events | |
| 50 when possible. | |
| 51 | |
| 52 ============================================================================== | |
| 53 2. Defining autocommands *autocmd-define* | |
| 54 | |
| 55 *:au* *:autocmd* | |
| 56 :au[tocmd] [group] {event} {pat} [nested] {cmd} | |
| 57 Add {cmd} to the list of commands that Vim will | |
| 58 execute automatically on {event} for a file matching | |
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59 {pat} |autocmd-patterns|. |
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60 Vim always adds the {cmd} after existing autocommands, |
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61 so that the autocommands execute in the order in which |
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62 they were given. See |autocmd-nested| for [nested]. |
| 7 | 63 |
| 40 | 64 The special pattern <buffer> or <buffer=N> defines a buffer-local autocommand. |
| 65 See |autocmd-buflocal|. | |
| 66 | |
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67 Note: The ":autocmd" command can only be followed by another command when the |
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68 '|' appears before {cmd}. This works: > |
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69 :augroup mine | au! BufRead | augroup END |
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70 But this sees "augroup" as part of the defined command: > |
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71 :augroup mine | au BufRead * set tw=70 | augroup END |
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72 |
| 7 | 73 Note that special characters (e.g., "%", "<cword>") in the ":autocmd" |
| 74 arguments are not expanded when the autocommand is defined. These will be | |
| 75 expanded when the Event is recognized, and the {cmd} is executed. The only | |
| 76 exception is that "<sfile>" is expanded when the autocmd is defined. Example: | |
| 77 > | |
| 78 :au BufNewFile,BufRead *.html so <sfile>:h/html.vim | |
| 79 | |
| 80 Here Vim expands <sfile> to the name of the file containing this line. | |
| 81 | |
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82 `:autocmd` adds to the list of autocommands regardless of whether they are |
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83 already present. When your .vimrc file is sourced twice, the autocommands |
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84 will appear twice. To avoid this, define your autocommands in a group, so |
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85 that you can easily clear them: > |
| 7 | 86 |
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87 augroup vimrc |
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88 autocmd! " Remove all vimrc autocommands |
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89 au BufNewFile,BufRead *.html so <sfile>:h/html.vim |
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90 augroup END |
| 7 | 91 |
| 92 If you don't want to remove all autocommands, you can instead use a variable | |
| 93 to ensure that Vim includes the autocommands only once: > | |
| 94 | |
| 95 :if !exists("autocommands_loaded") | |
| 96 : let autocommands_loaded = 1 | |
| 97 : au ... | |
| 98 :endif | |
| 99 | |
| 100 When the [group] argument is not given, Vim uses the current group (as defined | |
| 101 with ":augroup"); otherwise, Vim uses the group defined with [group]. Note | |
| 102 that [group] must have been defined before. You cannot define a new group | |
| 103 with ":au group ..."; use ":augroup" for that. | |
| 104 | |
| 105 While testing autocommands, you might find the 'verbose' option to be useful: > | |
| 106 :set verbose=9 | |
| 107 This setting makes Vim echo the autocommands as it executes them. | |
| 108 | |
| 109 When defining an autocommand in a script, it will be able to call functions | |
| 110 local to the script and use mappings local to the script. When the event is | |
| 111 triggered and the command executed, it will run in the context of the script | |
| 112 it was defined in. This matters if |<SID>| is used in a command. | |
| 113 | |
| 1621 | 114 When executing the commands, the message from one command overwrites a |
| 7 | 115 previous message. This is different from when executing the commands |
| 116 manually. Mostly the screen will not scroll up, thus there is no hit-enter | |
| 117 prompt. When one command outputs two messages this can happen anyway. | |
| 118 | |
| 119 ============================================================================== | |
| 120 3. Removing autocommands *autocmd-remove* | |
| 121 | |
| 122 :au[tocmd]! [group] {event} {pat} [nested] {cmd} | |
| 123 Remove all autocommands associated with {event} and | |
| 124 {pat}, and add the command {cmd}. See | |
| 125 |autocmd-nested| for [nested]. | |
| 126 | |
| 127 :au[tocmd]! [group] {event} {pat} | |
| 128 Remove all autocommands associated with {event} and | |
| 129 {pat}. | |
| 130 | |
| 131 :au[tocmd]! [group] * {pat} | |
| 132 Remove all autocommands associated with {pat} for all | |
| 133 events. | |
| 134 | |
| 135 :au[tocmd]! [group] {event} | |
| 136 Remove ALL autocommands for {event}. | |
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137 Warning: You should not do this without a group for |
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138 |BufRead| and other common events, it can break |
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139 plugins, syntax highlighting, etc. |
| 7 | 140 |
| 141 :au[tocmd]! [group] Remove ALL autocommands. | |
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142 Warning: You should normally not do this without a |
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143 group, it breaks plugins, syntax highlighting, etc. |
| 7 | 144 |
| 145 When the [group] argument is not given, Vim uses the current group (as defined | |
| 146 with ":augroup"); otherwise, Vim uses the group defined with [group]. | |
| 147 | |
| 148 ============================================================================== | |
| 149 4. Listing autocommands *autocmd-list* | |
| 150 | |
| 151 :au[tocmd] [group] {event} {pat} | |
| 152 Show the autocommands associated with {event} and | |
| 153 {pat}. | |
| 154 | |
| 155 :au[tocmd] [group] * {pat} | |
| 156 Show the autocommands associated with {pat} for all | |
| 157 events. | |
| 158 | |
| 159 :au[tocmd] [group] {event} | |
| 160 Show all autocommands for {event}. | |
| 161 | |
| 162 :au[tocmd] [group] Show all autocommands. | |
| 163 | |
| 164 If you provide the [group] argument, Vim lists only the autocommands for | |
| 165 [group]; otherwise, Vim lists the autocommands for ALL groups. Note that this | |
| 166 argument behavior differs from that for defining and removing autocommands. | |
| 167 | |
| 40 | 168 In order to list buffer-local autocommands, use a pattern in the form <buffer> |
| 169 or <buffer=N>. See |autocmd-buflocal|. | |
| 170 | |
| 500 | 171 *:autocmd-verbose* |
| 172 When 'verbose' is non-zero, listing an autocommand will also display where it | |
| 173 was last defined. Example: > | |
| 174 | |
| 175 :verbose autocmd BufEnter | |
| 176 FileExplorer BufEnter | |
| 856 | 177 * call s:LocalBrowse(expand("<amatch>")) |
| 500 | 178 Last set from /usr/share/vim/vim-7.0/plugin/NetrwPlugin.vim |
| 179 < | |
| 180 See |:verbose-cmd| for more information. | |
| 181 | |
| 7 | 182 ============================================================================== |
| 183 5. Events *autocmd-events* *E215* *E216* | |
| 184 | |
| 579 | 185 You can specify a comma-separated list of event names. No white space can be |
| 186 used in this list. The command applies to all the events in the list. | |
| 187 | |
| 188 For READING FILES there are four kinds of events possible: | |
| 189 BufNewFile starting to edit a non-existent file | |
| 190 BufReadPre BufReadPost starting to edit an existing file | |
| 191 FilterReadPre FilterReadPost read the temp file with filter output | |
| 192 FileReadPre FileReadPost any other file read | |
| 193 Vim uses only one of these four kinds when reading a file. The "Pre" and | |
| 194 "Post" events are both triggered, before and after reading the file. | |
| 195 | |
| 196 Note that the autocommands for the *ReadPre events and all the Filter events | |
| 197 are not allowed to change the current buffer (you will get an error message if | |
| 198 this happens). This is to prevent the file to be read into the wrong buffer. | |
| 199 | |
| 200 Note that the 'modified' flag is reset AFTER executing the BufReadPost | |
| 201 and BufNewFile autocommands. But when the 'modified' option was set by the | |
| 202 autocommands, this doesn't happen. | |
| 203 | |
| 204 You can use the 'eventignore' option to ignore a number of events or all | |
| 205 events. | |
| 7 | 206 *autocommand-events* *{event}* |
| 207 Vim recognizes the following events. Vim ignores the case of event names | |
| 208 (e.g., you can use "BUFread" or "bufread" instead of "BufRead"). | |
| 209 | |
| 579 | 210 First an overview by function with a short explanation. Then the list |
| 843 | 211 alphabetically with full explanations |autocmd-events-abc|. |
| 579 | 212 |
| 213 Name triggered by ~ | |
| 214 | |
| 215 Reading | |
| 216 |BufNewFile| starting to edit a file that doesn't exist | |
| 217 |BufReadPre| starting to edit a new buffer, before reading the file | |
| 218 |BufRead| starting to edit a new buffer, after reading the file | |
| 219 |BufReadPost| starting to edit a new buffer, after reading the file | |
| 220 |BufReadCmd| before starting to edit a new buffer |Cmd-event| | |
| 221 | |
| 222 |FileReadPre| before reading a file with a ":read" command | |
| 223 |FileReadPost| after reading a file with a ":read" command | |
| 843 | 224 |FileReadCmd| before reading a file with a ":read" command |Cmd-event| |
| 579 | 225 |
| 226 |FilterReadPre| before reading a file from a filter command | |
| 227 |FilterReadPost| after reading a file from a filter command | |
| 228 | |
| 229 |StdinReadPre| before reading from stdin into the buffer | |
| 230 |StdinReadPost| After reading from the stdin into the buffer | |
| 231 | |
| 232 Writing | |
| 233 |BufWrite| starting to write the whole buffer to a file | |
| 234 |BufWritePre| starting to write the whole buffer to a file | |
| 235 |BufWritePost| after writing the whole buffer to a file | |
| 236 |BufWriteCmd| before writing the whole buffer to a file |Cmd-event| | |
| 237 | |
| 238 |FileWritePre| starting to write part of a buffer to a file | |
| 239 |FileWritePost| after writing part of a buffer to a file | |
| 240 |FileWriteCmd| before writing part of a buffer to a file |Cmd-event| | |
| 241 | |
| 242 |FileAppendPre| starting to append to a file | |
| 243 |FileAppendPost| after appending to a file | |
| 244 |FileAppendCmd| before appending to a file |Cmd-event| | |
| 245 | |
| 246 |FilterWritePre| starting to write a file for a filter command or diff | |
| 247 |FilterWritePost| after writing a file for a filter command or diff | |
| 248 | |
| 249 Buffers | |
| 250 |BufAdd| just after adding a buffer to the buffer list | |
| 251 |BufCreate| just after adding a buffer to the buffer list | |
| 252 |BufDelete| before deleting a buffer from the buffer list | |
| 253 |BufWipeout| before completely deleting a buffer | |
| 254 | |
| 255 |BufFilePre| before changing the name of the current buffer | |
| 256 |BufFilePost| after changing the name of the current buffer | |
| 257 | |
| 258 |BufEnter| after entering a buffer | |
| 259 |BufLeave| before leaving to another buffer | |
| 260 |BufWinEnter| after a buffer is displayed in a window | |
| 261 |BufWinLeave| before a buffer is removed from a window | |
| 262 | |
| 263 |BufUnload| before unloading a buffer | |
| 264 |BufHidden| just after a buffer has become hidden | |
| 265 |BufNew| just after creating a new buffer | |
| 266 | |
| 267 |SwapExists| detected an existing swap file | |
| 268 | |
| 269 Options | |
| 270 |FileType| when the 'filetype' option has been set | |
| 271 |Syntax| when the 'syntax' option has been set | |
| 272 |EncodingChanged| after the 'encoding' option has been changed | |
| 273 |TermChanged| after the value of 'term' has changed | |
| 6935 | 274 |OptionSet| after setting any option |
| 579 | 275 |
| 276 Startup and exit | |
| 277 |VimEnter| after doing all the startup stuff | |
| 278 |GUIEnter| after starting the GUI successfully | |
| 3830 | 279 |GUIFailed| after starting the GUI failed |
| 1154 | 280 |TermResponse| after the terminal response to |t_RV| is received |
| 579 | 281 |
| 4119 | 282 |QuitPre| when using `:quit`, before deciding whether to quit |
| 579 | 283 |VimLeavePre| before exiting Vim, before writing the viminfo file |
| 284 |VimLeave| before exiting Vim, after writing the viminfo file | |
| 285 | |
| 286 Various | |
| 287 |FileChangedShell| Vim notices that a file changed since editing started | |
| 766 | 288 |FileChangedShellPost| After handling a file changed since editing started |
| 579 | 289 |FileChangedRO| before making the first change to a read-only file |
| 290 | |
| 724 | 291 |ShellCmdPost| after executing a shell command |
| 292 |ShellFilterPost| after filtering with a shell command | |
| 293 | |
| 6154 | 294 |CmdUndefined| a user command is used but it isn't defined |
| 579 | 295 |FuncUndefined| a user function is used but it isn't defined |
| 650 | 296 |SpellFileMissing| a spell file is used but it can't be found |
| 716 | 297 |SourcePre| before sourcing a Vim script |
| 1061 | 298 |SourceCmd| before sourcing a Vim script |Cmd-event| |
| 579 | 299 |
| 766 | 300 |VimResized| after the Vim window size changed |
| 579 | 301 |FocusGained| Vim got input focus |
| 302 |FocusLost| Vim lost input focus | |
| 303 |CursorHold| the user doesn't press a key for a while | |
| 661 | 304 |CursorHoldI| the user doesn't press a key for a while in Insert mode |
| 305 |CursorMoved| the cursor was moved in Normal mode | |
| 306 |CursorMovedI| the cursor was moved in Insert mode | |
| 579 | 307 |
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308 |WinNew| after creating a new window |
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309 |TabNew| after creating a new tab page |
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310 |TabClosed| after closing a tab page |
| 579 | 311 |WinEnter| after entering another window |
| 312 |WinLeave| before leaving a window | |
| 677 | 313 |TabEnter| after entering another tab page |
| 314 |TabLeave| before leaving a tab page | |
| 579 | 315 |CmdwinEnter| after entering the command-line window |
| 316 |CmdwinLeave| before leaving the command-line window | |
| 317 | |
| 318 |InsertEnter| starting Insert mode | |
| 319 |InsertChange| when typing <Insert> while in Insert or Replace mode | |
| 320 |InsertLeave| when leaving Insert mode | |
| 2845 | 321 |InsertCharPre| when a character was typed in Insert mode, before |
| 322 inserting it | |
| 579 | 323 |
| 5555 | 324 |TextChanged| after a change was made to the text in Normal mode |
| 325 |TextChangedI| after a change was made to the text in Insert mode | |
| 326 | |
| 579 | 327 |ColorScheme| after loading a color scheme |
| 328 | |
| 329 |RemoteReply| a reply from a server Vim was received | |
| 330 | |
| 331 |QuickFixCmdPre| before a quickfix command is run | |
| 332 |QuickFixCmdPost| after a quickfix command is run | |
| 333 | |
| 334 |SessionLoadPost| after loading a session file | |
| 335 | |
| 336 |MenuPopup| just before showing the popup menu | |
| 3830 | 337 |CompleteDone| after Insert mode completion is done |
| 579 | 338 |
| 339 |User| to be used in combination with ":doautocmd" | |
| 340 | |
| 341 | |
| 342 The alphabetical list of autocommand events: *autocmd-events-abc* | |
| 343 | |
| 344 *BufCreate* *BufAdd* | |
| 345 BufAdd or BufCreate Just after creating a new buffer which is | |
| 346 added to the buffer list, or adding a buffer | |
| 347 to the buffer list. | |
| 348 Also used just after a buffer in the buffer | |
| 349 list has been renamed. | |
| 350 The BufCreate event is for historic reasons. | |
| 351 NOTE: When this autocommand is executed, the | |
| 352 current buffer "%" may be different from the | |
| 353 buffer being created "<afile>". | |
| 354 *BufDelete* | |
| 355 BufDelete Before deleting a buffer from the buffer list. | |
| 356 The BufUnload may be called first (if the | |
| 357 buffer was loaded). | |
| 358 Also used just before a buffer in the buffer | |
| 359 list is renamed. | |
| 360 NOTE: When this autocommand is executed, the | |
| 361 current buffer "%" may be different from the | |
| 1621 | 362 buffer being deleted "<afile>" and "<abuf>". |
| 1919 | 363 Don't change to another buffer, it will cause |
| 364 problems. | |
| 579 | 365 *BufEnter* |
| 366 BufEnter After entering a buffer. Useful for setting | |
| 367 options for a file type. Also executed when | |
| 368 starting to edit a buffer, after the | |
| 369 BufReadPost autocommands. | |
| 370 *BufFilePost* | |
| 371 BufFilePost After changing the name of the current buffer | |
| 372 with the ":file" or ":saveas" command. | |
| 625 | 373 *BufFilePre* |
| 579 | 374 BufFilePre Before changing the name of the current buffer |
| 375 with the ":file" or ":saveas" command. | |
| 376 *BufHidden* | |
| 377 BufHidden Just after a buffer has become hidden. That | |
| 378 is, when there are no longer windows that show | |
| 379 the buffer, but the buffer is not unloaded or | |
| 380 deleted. Not used for ":qa" or ":q" when | |
| 381 exiting Vim. | |
| 382 NOTE: When this autocommand is executed, the | |
| 383 current buffer "%" may be different from the | |
| 384 buffer being unloaded "<afile>". | |
| 385 *BufLeave* | |
| 386 BufLeave Before leaving to another buffer. Also when | |
| 387 leaving or closing the current window and the | |
| 388 new current window is not for the same buffer. | |
| 389 Not used for ":qa" or ":q" when exiting Vim. | |
| 390 *BufNew* | |
| 391 BufNew Just after creating a new buffer. Also used | |
| 392 just after a buffer has been renamed. When | |
| 393 the buffer is added to the buffer list BufAdd | |
| 394 will be triggered too. | |
| 395 NOTE: When this autocommand is executed, the | |
| 396 current buffer "%" may be different from the | |
| 397 buffer being created "<afile>". | |
| 7 | 398 *BufNewFile* |
| 399 BufNewFile When starting to edit a file that doesn't | |
| 400 exist. Can be used to read in a skeleton | |
| 401 file. | |
| 402 *BufRead* *BufReadPost* | |
| 403 BufRead or BufReadPost When starting to edit a new buffer, after | |
| 404 reading the file into the buffer, before | |
| 405 executing the modelines. See |BufWinEnter| | |
| 406 for when you need to do something after | |
| 407 processing the modelines. | |
| 408 This does NOT work for ":r file". Not used | |
| 409 when the file doesn't exist. Also used after | |
| 410 successfully recovering a file. | |
| 3682 | 411 Also triggered for the filetypedetect group |
| 412 when executing ":filetype detect" and when | |
| 413 writing an unnamed buffer in a way that the | |
| 414 buffer gets a name. | |
| 625 | 415 *BufReadCmd* |
| 7 | 416 BufReadCmd Before starting to edit a new buffer. Should |
| 417 read the file into the buffer. |Cmd-event| | |
| 625 | 418 *BufReadPre* *E200* *E201* |
| 579 | 419 BufReadPre When starting to edit a new buffer, before |
| 420 reading the file into the buffer. Not used | |
| 421 if the file doesn't exist. | |
| 422 *BufUnload* | |
| 423 BufUnload Before unloading a buffer. This is when the | |
| 424 text in the buffer is going to be freed. This | |
| 425 may be after a BufWritePost and before a | |
| 426 BufDelete. Also used for all buffers that are | |
| 427 loaded when Vim is going to exit. | |
| 428 NOTE: When this autocommand is executed, the | |
| 429 current buffer "%" may be different from the | |
| 430 buffer being unloaded "<afile>". | |
|
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431 Don't change to another buffer or window, it |
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432 will cause problems! |
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433 When exiting and v:dying is 2 or more this |
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434 event is not triggered. |
| 579 | 435 *BufWinEnter* |
| 436 BufWinEnter After a buffer is displayed in a window. This | |
| 437 can be when the buffer is loaded (after | |
| 1621 | 438 processing the modelines) or when a hidden |
| 579 | 439 buffer is displayed in a window (and is no |
| 1621 | 440 longer hidden). |
| 441 Does not happen for |:split| without | |
| 442 arguments, since you keep editing the same | |
| 443 buffer, or ":split" with a file that's already | |
| 1668 | 444 open in a window, because it re-uses an |
| 445 existing buffer. But it does happen for a | |
| 446 ":split" with the name of the current buffer, | |
| 447 since it reloads that buffer. | |
| 579 | 448 *BufWinLeave* |
| 449 BufWinLeave Before a buffer is removed from a window. | |
| 450 Not when it's still visible in another window. | |
| 451 Also triggered when exiting. It's triggered | |
| 452 before BufUnload or BufHidden. | |
| 453 NOTE: When this autocommand is executed, the | |
| 454 current buffer "%" may be different from the | |
| 455 buffer being unloaded "<afile>". | |
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456 When exiting and v:dying is 2 or more this |
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457 event is not triggered. |
| 579 | 458 *BufWipeout* |
| 459 BufWipeout Before completely deleting a buffer. The | |
| 460 BufUnload and BufDelete events may be called | |
| 461 first (if the buffer was loaded and was in the | |
| 462 buffer list). Also used just before a buffer | |
| 463 is renamed (also when it's not in the buffer | |
| 464 list). | |
| 465 NOTE: When this autocommand is executed, the | |
| 466 current buffer "%" may be different from the | |
| 467 buffer being deleted "<afile>". | |
| 1919 | 468 Don't change to another buffer, it will cause |
| 469 problems. | |
| 7 | 470 *BufWrite* *BufWritePre* |
| 471 BufWrite or BufWritePre Before writing the whole buffer to a file. | |
| 472 *BufWriteCmd* | |
| 473 BufWriteCmd Before writing the whole buffer to a file. | |
| 474 Should do the writing of the file and reset | |
| 39 | 475 'modified' if successful, unless '+' is in |
| 476 'cpo' and writing to another file |cpo-+|. | |
| 477 The buffer contents should not be changed. | |
| 3082 | 478 When the command resets 'modified' the undo |
| 479 information is adjusted to mark older undo | |
| 480 states as 'modified', like |:write| does. | |
| 39 | 481 |Cmd-event| |
| 579 | 482 *BufWritePost* |
| 483 BufWritePost After writing the whole buffer to a file | |
| 484 (should undo the commands for BufWritePre). | |
| 6154 | 485 *CmdUndefined* |
| 486 CmdUndefined When a user command is used but it isn't | |
| 487 defined. Useful for defining a command only | |
| 488 when it's used. The pattern is matched | |
| 489 against the command name. Both <amatch> and | |
| 490 <afile> are set to the name of the command. | |
| 491 NOTE: Autocompletion won't work until the | |
| 492 command is defined. An alternative is to | |
| 493 always define the user command and have it | |
| 494 invoke an autoloaded function. See |autoload|. | |
| 579 | 495 *CmdwinEnter* |
| 496 CmdwinEnter After entering the command-line window. | |
| 497 Useful for setting options specifically for | |
| 498 this special type of window. This is | |
| 499 triggered _instead_ of BufEnter and WinEnter. | |
| 500 <afile> is set to a single character, | |
| 501 indicating the type of command-line. | |
| 502 |cmdwin-char| | |
| 503 *CmdwinLeave* | |
| 504 CmdwinLeave Before leaving the command-line window. | |
| 505 Useful to clean up any global setting done | |
| 506 with CmdwinEnter. This is triggered _instead_ | |
| 507 of BufLeave and WinLeave. | |
| 508 <afile> is set to a single character, | |
| 509 indicating the type of command-line. | |
| 510 |cmdwin-char| | |
| 511 *ColorScheme* | |
| 512 ColorScheme After loading a color scheme. |:colorscheme| | |
| 5521 | 513 The pattern is matched against the |
| 514 colorscheme name. <afile> can be used for the | |
| 515 name of the actual file where this option was | |
| 516 set, and <amatch> for the new colorscheme | |
| 517 name. | |
| 518 | |
| 661 | 519 |
| 3682 | 520 *CompleteDone* |
| 521 CompleteDone After Insert mode completion is done. Either | |
| 522 when something was completed or abandoning | |
| 523 completion. |ins-completion| | |
| 6909 | 524 The |v:completed_item| variable contains |
| 525 information about the completed item. | |
| 3682 | 526 |
| 579 | 527 *CursorHold* |
| 528 CursorHold When the user doesn't press a key for the time | |
| 529 specified with 'updatetime'. Not re-triggered | |
| 530 until the user has pressed a key (i.e. doesn't | |
| 531 fire every 'updatetime' ms if you leave Vim to | |
| 532 make some coffee. :) See |CursorHold-example| | |
| 533 for previewing tags. | |
| 534 This event is only triggered in Normal mode. | |
| 1154 | 535 It is not triggered when waiting for a command |
| 536 argument to be typed, or a movement after an | |
| 537 operator. | |
| 610 | 538 While recording the CursorHold event is not |
| 539 triggered. |q| | |
| 6259 | 540 *<CursorHold>* |
| 541 Internally the autocommand is triggered by the | |
| 542 <CursorHold> key. In an expression mapping | |
| 543 |getchar()| may see this character. | |
| 544 | |
| 579 | 545 Note: Interactive commands cannot be used for |
| 546 this event. There is no hit-enter prompt, | |
| 547 the screen is updated directly (when needed). | |
| 548 Note: In the future there will probably be | |
| 549 another option to set the time. | |
| 550 Hint: to force an update of the status lines | |
| 551 use: > | |
| 552 :let &ro = &ro | |
| 553 < {only on Amiga, Unix, Win32, MSDOS and all GUI | |
| 554 versions} | |
| 661 | 555 *CursorHoldI* |
| 556 CursorHoldI Just like CursorHold, but in Insert mode. | |
|
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557 Not triggered when waiting for another key, |
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558 e.g. after CTRL-V, and not when in CTRL-X mode |
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559 |insert_expand|. |
| 661 | 560 |
| 561 *CursorMoved* | |
| 4911 | 562 CursorMoved After the cursor was moved in Normal or Visual |
| 563 mode. Also when the text of the cursor line | |
| 564 has been changed, e.g., with "x", "rx" or "p". | |
| 661 | 565 Not triggered when there is typeahead or when |
| 566 an operator is pending. | |
| 667 | 567 For an example see |match-parens|. |
| 4264 | 568 Careful: This is triggered very often, don't |
| 569 do anything that the user does not expect or | |
| 570 that is slow. | |
| 661 | 571 *CursorMovedI* |
| 572 CursorMovedI After the cursor was moved in Insert mode. | |
| 3082 | 573 Not triggered when the popup menu is visible. |
| 661 | 574 Otherwise the same as CursorMoved. |
| 579 | 575 *EncodingChanged* |
| 576 EncodingChanged Fires off after the 'encoding' option has been | |
| 577 changed. Useful to set up fonts, for example. | |
| 7 | 578 *FileAppendCmd* |
| 579 FileAppendCmd Before appending to a file. Should do the | |
| 26 | 580 appending to the file. Use the '[ and '] |
| 581 marks for the range of lines.|Cmd-event| | |
| 579 | 582 *FileAppendPost* |
| 583 FileAppendPost After appending to a file. | |
| 584 *FileAppendPre* | |
| 585 FileAppendPre Before appending to a file. Use the '[ and '] | |
| 586 marks for the range of lines. | |
| 587 *FileChangedRO* | |
| 588 FileChangedRO Before making the first change to a read-only | |
| 589 file. Can be used to check-out the file from | |
| 590 a source control system. Not triggered when | |
| 591 the change was caused by an autocommand. | |
| 592 This event is triggered when making the first | |
| 593 change in a buffer or the first change after | |
| 823 | 594 'readonly' was set, just before the change is |
| 595 applied to the text. | |
| 579 | 596 WARNING: If the autocommand moves the cursor |
| 597 the effect of the change is undefined. | |
| 819 | 598 *E788* |
| 599 It is not allowed to change to another buffer | |
| 600 here. You can reload the buffer but not edit | |
| 601 another one. | |
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602 *E881* |
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603 If the number of lines changes saving for undo |
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604 may fail and the change will be aborted. |
| 7 | 605 *FileChangedShell* |
| 606 FileChangedShell When Vim notices that the modification time of | |
| 607 a file has changed since editing started. | |
| 608 Also when the file attributes of the file | |
| 5908 | 609 change or when the size of the file changes. |
| 610 |timestamp| | |
| 7 | 611 Mostly triggered after executing a shell |
| 612 command, but also with a |:checktime| command | |
| 179 | 613 or when Gvim regains input focus. |
| 7 | 614 This autocommand is triggered for each changed |
| 615 file. It is not used when 'autoread' is set | |
| 616 and the buffer was not changed. If a | |
| 617 FileChangedShell autocommand is present the | |
| 618 warning message and prompt is not given. | |
| 179 | 619 The |v:fcs_reason| variable is set to indicate |
| 620 what happened and |v:fcs_choice| can be used | |
| 621 to tell Vim what to do next. | |
| 7 | 622 NOTE: When this autocommand is executed, the |
| 623 current buffer "%" may be different from the | |
| 624 buffer that was changed "<afile>". | |
| 625 NOTE: The commands must not change the current | |
| 626 buffer, jump to another buffer or delete a | |
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627 buffer. *E246* *E811* |
| 7 | 628 NOTE: This event never nests, to avoid an |
| 629 endless loop. This means that while executing | |
| 630 commands for the FileChangedShell event no | |
| 631 other FileChangedShell event will be | |
| 632 triggered. | |
| 766 | 633 *FileChangedShellPost* |
| 634 FileChangedShellPost After handling a file that was changed outside | |
| 635 of Vim. Can be used to update the statusline. | |
| 579 | 636 *FileEncoding* |
| 637 FileEncoding Obsolete. It still works and is equivalent | |
| 638 to |EncodingChanged|. | |
| 639 *FileReadCmd* | |
| 640 FileReadCmd Before reading a file with a ":read" command. | |
| 641 Should do the reading of the file. |Cmd-event| | |
| 642 *FileReadPost* | |
| 643 FileReadPost After reading a file with a ":read" command. | |
| 644 Note that Vim sets the '[ and '] marks to the | |
| 645 first and last line of the read. This can be | |
| 646 used to operate on the lines just read. | |
| 647 *FileReadPre* | |
| 648 FileReadPre Before reading a file with a ":read" command. | |
| 649 *FileType* | |
| 1154 | 650 FileType When the 'filetype' option has been set. The |
| 651 pattern is matched against the filetype. | |
| 579 | 652 <afile> can be used for the name of the file |
| 653 where this option was set, and <amatch> for | |
| 654 the new value of 'filetype'. | |
| 655 See |filetypes|. | |
| 656 *FileWriteCmd* | |
| 657 FileWriteCmd Before writing to a file, when not writing the | |
| 658 whole buffer. Should do the writing to the | |
| 659 file. Should not change the buffer. Use the | |
| 660 '[ and '] marks for the range of lines. | |
| 661 |Cmd-event| | |
| 662 *FileWritePost* | |
| 663 FileWritePost After writing to a file, when not writing the | |
| 664 whole buffer. | |
| 665 *FileWritePre* | |
| 666 FileWritePre Before writing to a file, when not writing the | |
| 667 whole buffer. Use the '[ and '] marks for the | |
| 668 range of lines. | |
| 669 *FilterReadPost* | |
| 670 FilterReadPost After reading a file from a filter command. | |
| 671 Vim checks the pattern against the name of | |
| 672 the current buffer as with FilterReadPre. | |
| 673 Not triggered when 'shelltemp' is off. | |
| 674 *FilterReadPre* *E135* | |
| 675 FilterReadPre Before reading a file from a filter command. | |
| 676 Vim checks the pattern against the name of | |
| 677 the current buffer, not the name of the | |
| 678 temporary file that is the output of the | |
| 679 filter command. | |
| 680 Not triggered when 'shelltemp' is off. | |
| 681 *FilterWritePost* | |
| 682 FilterWritePost After writing a file for a filter command or | |
| 683 making a diff. | |
| 684 Vim checks the pattern against the name of | |
| 685 the current buffer as with FilterWritePre. | |
| 686 Not triggered when 'shelltemp' is off. | |
| 687 *FilterWritePre* | |
| 688 FilterWritePre Before writing a file for a filter command or | |
| 689 making a diff. | |
| 690 Vim checks the pattern against the name of | |
| 691 the current buffer, not the name of the | |
| 692 temporary file that is the output of the | |
| 693 filter command. | |
| 694 Not triggered when 'shelltemp' is off. | |
| 7 | 695 *FocusGained* |
| 696 FocusGained When Vim got input focus. Only for the GUI | |
| 697 version and a few console versions where this | |
| 698 can be detected. | |
| 699 *FocusLost* | |
| 700 FocusLost When Vim lost input focus. Only for the GUI | |
| 701 version and a few console versions where this | |
| 11 | 702 can be detected. May also happen when a |
| 703 dialog pops up. | |
| 7 | 704 *FuncUndefined* |
| 705 FuncUndefined When a user function is used but it isn't | |
| 706 defined. Useful for defining a function only | |
| 1154 | 707 when it's used. The pattern is matched |
| 708 against the function name. Both <amatch> and | |
| 709 <afile> are set to the name of the function. | |
| 6154 | 710 NOTE: When writing Vim scripts a better |
| 711 alternative is to use an autoloaded function. | |
| 161 | 712 See |autoload-functions|. |
| 579 | 713 *GUIEnter* |
| 714 GUIEnter After starting the GUI successfully, and after | |
| 715 opening the window. It is triggered before | |
| 716 VimEnter when using gvim. Can be used to | |
| 717 position the window from a .gvimrc file: > | |
| 718 :autocmd GUIEnter * winpos 100 50 | |
| 1154 | 719 < *GUIFailed* |
| 720 GUIFailed After starting the GUI failed. Vim may | |
| 721 continue to run in the terminal, if possible | |
| 722 (only on Unix and alikes, when connecting the | |
| 723 X server fails). You may want to quit Vim: > | |
| 724 :autocmd GUIFailed * qall | |
| 579 | 725 < *InsertChange* |
| 726 InsertChange When typing <Insert> while in Insert or | |
| 727 Replace mode. The |v:insertmode| variable | |
| 728 indicates the new mode. | |
| 729 Be careful not to move the cursor or do | |
| 730 anything else that the user does not expect. | |
| 2845 | 731 *InsertCharPre* |
| 732 InsertCharPre When a character is typed in Insert mode, | |
| 733 before inserting the char. | |
| 734 The |v:char| variable indicates the char typed | |
| 735 and can be changed during the event to insert | |
| 736 a different character. When |v:char| is set | |
| 737 to more than one character this text is | |
| 738 inserted literally. | |
| 739 It is not allowed to change the text |textlock|. | |
| 740 The event is not triggered when 'paste' is | |
| 741 set. | |
| 579 | 742 *InsertEnter* |
| 1154 | 743 InsertEnter Just before starting Insert mode. Also for |
| 744 Replace mode and Virtual Replace mode. The | |
| 579 | 745 |v:insertmode| variable indicates the mode. |
| 4448 | 746 Be careful not to do anything else that the |
| 747 user does not expect. | |
| 748 The cursor is restored afterwards. If you do | |
| 749 not want that set |v:char| to a non-empty | |
| 750 string. | |
| 579 | 751 *InsertLeave* |
| 752 InsertLeave When leaving Insert mode. Also when using | |
| 753 CTRL-O |i_CTRL-O|. But not for |i_CTRL-C|. | |
| 754 *MenuPopup* | |
| 755 MenuPopup Just before showing the popup menu (under the | |
| 756 right mouse button). Useful for adjusting the | |
| 757 menu for what is under the cursor or mouse | |
| 758 pointer. | |
| 759 The pattern is matched against a single | |
| 760 character representing the mode: | |
| 761 n Normal | |
| 762 v Visual | |
| 763 o Operator-pending | |
| 764 i Insert | |
| 843 | 765 c Command line |
| 6935 | 766 *OptionSet* |
| 767 OptionSet After setting an option. The pattern is | |
| 768 matched against the long option name. | |
| 769 The |v:option_old| variable indicates the | |
| 770 old option value, |v:option_new| variable | |
| 771 indicates the newly set value, the | |
| 772 |v:option_type| variable indicates whether | |
| 773 it's global or local scoped and |<amatch>| | |
| 774 indicates what option has been set. | |
| 775 | |
| 776 Is not triggered on startup and for the 'key' | |
| 777 option for obvious reasons. | |
| 778 | |
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779 Usage example: Check for the existence of the |
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780 directory in the 'backupdir' and 'undodir' |
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781 options, create the directory if it doesn't |
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782 exist yet. |
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783 |
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784 Note: It's a bad idea to reset an option |
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785 during this autocommand, this may break a |
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786 plugin. You can always use `:noa` to prevent |
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787 triggering this autocommand. |
| 6935 | 788 |
| 579 | 789 *QuickFixCmdPre* |
| 790 QuickFixCmdPre Before a quickfix command is run (|:make|, | |
| 657 | 791 |:lmake|, |:grep|, |:lgrep|, |:grepadd|, |
| 792 |:lgrepadd|, |:vimgrep|, |:lvimgrep|, | |
| 3281 | 793 |:vimgrepadd|, |:lvimgrepadd|, |:cscope|, |
|
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794 |:cfile|, |:cgetfile|, |:caddfile|, |:lfile|, |
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795 |:lgetfile|, |:laddfile|, |:helpgrep|, |
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|
796 |:lhelpgrep|, |:cexpr|, |:cgetexpr|, |
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797 |:caddexpr|, |:cbuffer|, |:cgetbuffer|, |
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798 |:caddbuffer|). |
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799 The pattern is matched against the command |
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800 being run. When |:grep| is used but 'grepprg' |
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801 is set to "internal" it still matches "grep". |
| 579 | 802 This command cannot be used to set the |
| 803 'makeprg' and 'grepprg' variables. | |
| 804 If this command causes an error, the quickfix | |
| 805 command is not executed. | |
| 806 *QuickFixCmdPost* | |
| 807 QuickFixCmdPost Like QuickFixCmdPre, but after a quickfix | |
| 842 | 808 command is run, before jumping to the first |
| 3404 | 809 location. For |:cfile| and |:lfile| commands |
| 810 it is run after error file is read and before | |
|
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811 moving to the first error. |
| 3404 | 812 See |QuickFixCmdPost-example|. |
| 3682 | 813 *QuitPre* |
| 4229 | 814 QuitPre When using `:quit`, `:wq` or `:qall`, before |
| 815 deciding whether it closes the current window | |
| 816 or quits Vim. Can be used to close any | |
| 817 non-essential window if the current window is | |
| 818 the last ordinary window. | |
| 579 | 819 *RemoteReply* |
| 820 RemoteReply When a reply from a Vim that functions as | |
| 1154 | 821 server was received |server2client()|. The |
| 822 pattern is matched against the {serverid}. | |
| 579 | 823 <amatch> is equal to the {serverid} from which |
| 824 the reply was sent, and <afile> is the actual | |
| 825 reply string. | |
| 826 Note that even if an autocommand is defined, | |
| 827 the reply should be read with |remote_read()| | |
| 828 to consume it. | |
| 829 *SessionLoadPost* | |
| 830 SessionLoadPost After loading the session file created using | |
| 831 the |:mksession| command. | |
| 724 | 832 *ShellCmdPost* |
| 833 ShellCmdPost After executing a shell command with |:!cmd|, | |
| 834 |:shell|, |:make| and |:grep|. Can be used to | |
| 835 check for any changed files. | |
| 836 *ShellFilterPost* | |
| 837 ShellFilterPost After executing a shell command with | |
| 838 ":{range}!cmd", ":w !cmd" or ":r !cmd". | |
| 839 Can be used to check for any changed files. | |
| 716 | 840 *SourcePre* |
| 841 SourcePre Before sourcing a Vim script. |:source| | |
| 1061 | 842 <afile> is the name of the file being sourced. |
| 843 *SourceCmd* | |
| 844 SourceCmd When sourcing a Vim script. |:source| | |
| 845 <afile> is the name of the file being sourced. | |
| 846 The autocommand must source this file. | |
| 847 |Cmd-event| | |
| 650 | 848 *SpellFileMissing* |
| 849 SpellFileMissing When trying to load a spell checking file and | |
| 1061 | 850 it can't be found. The pattern is matched |
| 851 against the language. <amatch> is the | |
| 852 language, 'encoding' also matters. See | |
| 650 | 853 |spell-SpellFileMissing|. |
| 579 | 854 *StdinReadPost* |
| 855 StdinReadPost After reading from the stdin into the buffer, | |
| 856 before executing the modelines. Only used | |
| 857 when the "-" argument was used when Vim was | |
| 858 started |--|. | |
| 859 *StdinReadPre* | |
| 860 StdinReadPre Before reading from stdin into the buffer. | |
| 861 Only used when the "-" argument was used when | |
| 862 Vim was started |--|. | |
| 863 *SwapExists* | |
| 864 SwapExists Detected an existing swap file when starting | |
| 865 to edit a file. Only when it is possible to | |
| 866 select a way to handle the situation, when Vim | |
| 867 would ask the user what to do. | |
| 868 The |v:swapname| variable holds the name of | |
| 590 | 869 the swap file found, <afile> the file being |
| 870 edited. |v:swapcommand| may contain a command | |
| 871 to be executed in the opened file. | |
| 872 The commands should set the |v:swapchoice| | |
| 873 variable to a string with one character to | |
| 874 tell Vim what should be done next: | |
| 579 | 875 'o' open read-only |
| 876 'e' edit the file anyway | |
| 877 'r' recover | |
| 878 'd' delete the swap file | |
| 879 'q' quit, don't edit the file | |
| 880 'a' abort, like hitting CTRL-C | |
| 881 When set to an empty string the user will be | |
| 882 asked, as if there was no SwapExists autocmd. | |
| 1919 | 883 *E812* |
| 884 It is not allowed to change to another buffer, | |
| 885 change a buffer name or change directory | |
| 886 here. | |
| 579 | 887 *Syntax* |
| 1154 | 888 Syntax When the 'syntax' option has been set. The |
| 889 pattern is matched against the syntax name. | |
| 579 | 890 <afile> can be used for the name of the file |
| 891 where this option was set, and <amatch> for | |
| 892 the new value of 'syntax'. | |
| 893 See |:syn-on|. | |
|
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894 *TabClosed* |
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895 TabClosed After closing a tab page. |
| 677 | 896 *TabEnter* |
| 897 TabEnter Just after entering a tab page. |tab-page| | |
| 872 | 898 After triggering the WinEnter and before |
| 899 triggering the BufEnter event. | |
| 677 | 900 *TabLeave* |
| 901 TabLeave Just before leaving a tab page. |tab-page| | |
| 902 A WinLeave event will have been triggered | |
| 903 first. | |
|
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904 *TabNew* |
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905 TabNew When a tab page was created. |tab-page| |
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906 A WinEnter event will have been triggered |
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907 first, TabEnter follows. |
| 579 | 908 *TermChanged* |
| 909 TermChanged After the value of 'term' has changed. Useful | |
| 910 for re-loading the syntax file to update the | |
| 911 colors, fonts and other terminal-dependent | |
| 912 settings. Executed for all loaded buffers. | |
| 913 *TermResponse* | |
| 914 TermResponse After the response to |t_RV| is received from | |
| 915 the terminal. The value of |v:termresponse| | |
| 916 can be used to do things depending on the | |
| 2788 | 917 terminal version. Note that this event may be |
| 918 triggered halfway executing another event, | |
| 919 especially if file I/O, a shell command or | |
| 920 anything else that takes time is involved. | |
| 4264 | 921 *TextChanged* |
| 922 TextChanged After a change was made to the text in the | |
| 923 current buffer in Normal mode. That is when | |
| 924 |b:changedtick| has changed. | |
| 925 Not triggered when there is typeahead or when | |
| 926 an operator is pending. | |
| 927 Careful: This is triggered very often, don't | |
| 928 do anything that the user does not expect or | |
| 929 that is slow. | |
| 930 *TextChangedI* | |
| 931 TextChangedI After a change was made to the text in the | |
| 932 current buffer in Insert mode. | |
| 933 Not triggered when the popup menu is visible. | |
| 934 Otherwise the same as TextChanged. | |
| 579 | 935 *User* |
| 936 User Never executed automatically. To be used for | |
| 937 autocommands that are only executed with | |
| 938 ":doautocmd". | |
| 939 *UserGettingBored* | |
| 4264 | 940 UserGettingBored When the user presses the same key 42 times. |
| 941 Just kidding! :-) | |
| 579 | 942 *VimEnter* |
| 943 VimEnter After doing all the startup stuff, including | |
| 944 loading .vimrc files, executing the "-c cmd" | |
| 945 arguments, creating all windows and loading | |
| 946 the buffers in them. | |
|
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947 Just before this event is triggered the |
|
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948 |v:vim_did_enter| variable is set, so that you |
|
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949 can do: > |
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950 if v:vim_did_enter |
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951 call s:init() |
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952 else |
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953 au VimEnter * call s:init() |
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954 endif |
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955 < *VimLeave* |
| 579 | 956 VimLeave Before exiting Vim, just after writing the |
| 957 .viminfo file. Executed only once, like | |
| 958 VimLeavePre. | |
| 959 To detect an abnormal exit use |v:dying|. | |
|
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960 When v:dying is 2 or more this event is not |
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961 triggered. |
| 579 | 962 *VimLeavePre* |
| 963 VimLeavePre Before exiting Vim, just before writing the | |
| 964 .viminfo file. This is executed only once, | |
| 965 if there is a match with the name of what | |
| 966 happens to be the current buffer when exiting. | |
| 967 Mostly useful with a "*" pattern. > | |
| 968 :autocmd VimLeavePre * call CleanupStuff() | |
| 969 < To detect an abnormal exit use |v:dying|. | |
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970 When v:dying is 2 or more this event is not |
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971 triggered. |
| 766 | 972 *VimResized* |
| 973 VimResized After the Vim window was resized, thus 'lines' | |
| 974 and/or 'columns' changed. Not when starting | |
| 975 up though. | |
| 7 | 976 *WinEnter* |
| 977 WinEnter After entering another window. Not done for | |
| 978 the first window, when Vim has just started. | |
| 979 Useful for setting the window height. | |
| 980 If the window is for another buffer, Vim | |
| 981 executes the BufEnter autocommands after the | |
| 982 WinEnter autocommands. | |
| 983 Note: When using ":split fname" the WinEnter | |
| 984 event is triggered after the split but before | |
| 985 the file "fname" is loaded. | |
| 986 *WinLeave* | |
| 987 WinLeave Before leaving a window. If the window to be | |
| 988 entered next is for a different buffer, Vim | |
| 989 executes the BufLeave autocommands before the | |
| 990 WinLeave autocommands (but not for ":new"). | |
| 991 Not used for ":qa" or ":q" when exiting Vim. | |
| 992 | |
|
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993 *WinNew* |
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994 WinNew When a new window was created. Not done for |
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995 the first window, when Vim has just started. |
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996 Before a WinEnter event. |
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997 |
| 7 | 998 ============================================================================== |
| 999 6. Patterns *autocmd-patterns* *{pat}* | |
| 1000 | |
| 6741 | 1001 The {pat} argument can be a comma separated list. This works as if the |
| 1002 command was given with each pattern separately. Thus this command: > | |
| 1003 :autocmd BufRead *.txt,*.info set et | |
| 1004 Is equivalent to: > | |
| 1005 :autocmd BufRead *.txt set et | |
| 1006 :autocmd BufRead *.info set et | |
| 1007 | |
| 7 | 1008 The file pattern {pat} is tested for a match against the file name in one of |
| 1009 two ways: | |
| 1010 1. When there is no '/' in the pattern, Vim checks for a match against only | |
| 1011 the tail part of the file name (without its leading directory path). | |
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1012 2. When there is a '/' in the pattern, Vim checks for a match against both the |
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1013 short file name (as you typed it) and the full file name (after expanding |
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1014 it to a full path and resolving symbolic links). |
| 7 | 1015 |
| 40 | 1016 The special pattern <buffer> or <buffer=N> is used for buffer-local |
| 1017 autocommands |autocmd-buflocal|. This pattern is not matched against the name | |
| 1018 of a buffer. | |
| 1019 | |
| 7 | 1020 Examples: > |
| 1021 :autocmd BufRead *.txt set et | |
| 1022 Set the 'et' option for all text files. > | |
| 1023 | |
| 1024 :autocmd BufRead /vim/src/*.c set cindent | |
| 1025 Set the 'cindent' option for C files in the /vim/src directory. > | |
| 1026 | |
| 1027 :autocmd BufRead /tmp/*.c set ts=5 | |
| 1028 If you have a link from "/tmp/test.c" to "/home/nobody/vim/src/test.c", and | |
| 1029 you start editing "/tmp/test.c", this autocommand will match. | |
| 1030 | |
| 1031 Note: To match part of a path, but not from the root directory, use a '*' as | |
| 1032 the first character. Example: > | |
| 1033 :autocmd BufRead */doc/*.txt set tw=78 | |
| 1034 This autocommand will for example be executed for "/tmp/doc/xx.txt" and | |
| 1035 "/usr/home/piet/doc/yy.txt". The number of directories does not matter here. | |
| 1036 | |
| 1037 | |
| 1038 The file name that the pattern is matched against is after expanding | |
| 1621 | 1039 wildcards. Thus if you issue this command: > |
| 7 | 1040 :e $ROOTDIR/main.$EXT |
| 1041 The argument is first expanded to: > | |
| 1042 /usr/root/main.py | |
| 1043 Before it's matched with the pattern of the autocommand. Careful with this | |
| 1044 when using events like FileReadCmd, the value of <amatch> may not be what you | |
| 1045 expect. | |
| 1046 | |
| 1047 | |
| 1048 Environment variables can be used in a pattern: > | |
| 1049 :autocmd BufRead $VIMRUNTIME/doc/*.txt set expandtab | |
| 1050 And ~ can be used for the home directory (if $HOME is defined): > | |
| 1051 :autocmd BufWritePost ~/.vimrc so ~/.vimrc | |
| 1052 :autocmd BufRead ~archive/* set readonly | |
| 1053 The environment variable is expanded when the autocommand is defined, not when | |
| 1054 the autocommand is executed. This is different from the command! | |
| 1055 | |
| 1056 *file-pattern* | |
| 1057 The pattern is interpreted like mostly used in file names: | |
| 5294 | 1058 * matches any sequence of characters; Unusual: includes path |
| 5277 | 1059 separators |
| 7 | 1060 ? matches any single character |
| 1061 \? matches a '?' | |
| 1062 . matches a '.' | |
| 1063 ~ matches a '~' | |
| 1064 , separates patterns | |
| 1065 \, matches a ',' | |
| 1066 { } like \( \) in a |pattern| | |
| 1067 , inside { }: like \| in a |pattern| | |
|
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1068 \} literal } |
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1069 \{ literal { |
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1070 \\\{n,m\} like \{n,m} in a |pattern| |
| 7 | 1071 \ special meaning like in a |pattern| |
| 1072 [ch] matches 'c' or 'h' | |
| 1073 [^ch] match any character but 'c' and 'h' | |
| 1074 | |
| 1075 Note that for all systems the '/' character is used for path separator (even | |
| 1076 MS-DOS and OS/2). This was done because the backslash is difficult to use | |
| 1077 in a pattern and to make the autocommands portable across different systems. | |
| 1078 | |
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1079 It is possible to use |pattern| items, but they may not work as expected, |
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1080 because of the translation done for the above. |
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1081 |
| 40 | 1082 *autocmd-changes* |
| 7 | 1083 Matching with the pattern is done when an event is triggered. Changing the |
| 1084 buffer name in one of the autocommands, or even deleting the buffer, does not | |
| 1085 change which autocommands will be executed. Example: > | |
| 1086 | |
| 1087 au BufEnter *.foo bdel | |
| 1088 au BufEnter *.foo set modified | |
| 1089 | |
| 1090 This will delete the current buffer and then set 'modified' in what has become | |
| 1091 the current buffer instead. Vim doesn't take into account that "*.foo" | |
| 1092 doesn't match with that buffer name. It matches "*.foo" with the name of the | |
| 1093 buffer at the moment the event was triggered. | |
| 1094 | |
| 40 | 1095 However, buffer-local autocommands will not be executed for a buffer that has |
| 1096 been wiped out with |:bwipe|. After deleting the buffer with |:bdel| the | |
| 1097 buffer actually still exists (it becomes unlisted), thus the autocommands are | |
| 1098 still executed. | |
| 1099 | |
| 7 | 1100 ============================================================================== |
| 856 | 1101 7. Buffer-local autocommands *autocmd-buflocal* *autocmd-buffer-local* |
| 1102 *<buffer=N>* *<buffer=abuf>* *E680* | |
| 40 | 1103 |
| 1104 Buffer-local autocommands are attached to a specific buffer. They are useful | |
| 1105 if the buffer does not have a name and when the name does not match a specific | |
| 1106 pattern. But it also means they must be explicitly added to each buffer. | |
| 1107 | |
| 1108 Instead of a pattern buffer-local autocommands use one of these forms: | |
| 1109 <buffer> current buffer | |
| 1110 <buffer=99> buffer number 99 | |
| 1111 <buffer=abuf> using <abuf> (only when executing autocommands) | |
| 1112 |<abuf>| | |
| 1113 | |
| 1114 Examples: > | |
| 1115 :au CursorHold <buffer> echo 'hold' | |
| 1116 :au CursorHold <buffer=33> echo 'hold' | |
|
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|
1117 :au BufNewFile * au CursorHold <buffer=abuf> echo 'hold' |
| 40 | 1118 |
| 1119 All the commands for autocommands also work with buffer-local autocommands, | |
| 1120 simply use the special string instead of the pattern. Examples: > | |
| 856 | 1121 :au! * <buffer> " remove buffer-local autocommands for |
| 1122 " current buffer | |
| 1123 :au! * <buffer=33> " remove buffer-local autocommands for | |
| 1124 " buffer #33 | |
| 1621 | 1125 :bufdo :au! CursorHold <buffer> " remove autocmd for given event for all |
| 856 | 1126 " buffers |
| 1127 :au * <buffer> " list buffer-local autocommands for | |
| 1128 " current buffer | |
| 40 | 1129 |
| 1130 Note that when an autocommand is defined for the current buffer, it is stored | |
| 1131 with the buffer number. Thus it uses the form "<buffer=12>", where 12 is the | |
| 1132 number of the current buffer. You will see this when listing autocommands, | |
| 1133 for example. | |
| 1134 | |
| 1135 To test for presence of buffer-local autocommands use the |exists()| function | |
| 1136 as follows: > | |
| 1137 :if exists("#CursorHold#<buffer=12>") | ... | endif | |
| 1138 :if exists("#CursorHold#<buffer>") | ... | endif " for current buffer | |
| 1139 | |
| 1140 When a buffer is wiped out its buffer-local autocommands are also gone, of | |
| 1141 course. Note that when deleting a buffer, e.g., with ":bdel", it is only | |
| 1142 unlisted, the autocommands are still present. In order to see the removal of | |
| 1143 buffer-local autocommands: > | |
| 1144 :set verbose=6 | |
| 1145 | |
| 1146 It is not possible to define buffer-local autocommands for a non-existent | |
| 1147 buffer. | |
| 1148 | |
| 1149 ============================================================================== | |
| 1150 8. Groups *autocmd-groups* | |
| 7 | 1151 |
| 1152 Autocommands can be put together in a group. This is useful for removing or | |
| 1153 executing a group of autocommands. For example, all the autocommands for | |
| 1154 syntax highlighting are put in the "highlight" group, to be able to execute | |
| 1155 ":doautoall highlight BufRead" when the GUI starts. | |
| 1156 | |
| 1157 When no specific group is selected, Vim uses the default group. The default | |
| 1158 group does not have a name. You cannot execute the autocommands from the | |
| 1159 default group separately; you can execute them only by executing autocommands | |
| 1160 for all groups. | |
| 1161 | |
| 1162 Normally, when executing autocommands automatically, Vim uses the autocommands | |
| 1163 for all groups. The group only matters when executing autocommands with | |
| 1164 ":doautocmd" or ":doautoall", or when defining or deleting autocommands. | |
| 1165 | |
| 1166 The group name can contain any characters except white space. The group name | |
| 1167 "end" is reserved (also in uppercase). | |
| 1168 | |
| 1169 The group name is case sensitive. Note that this is different from the event | |
| 1170 name! | |
| 1171 | |
| 1172 *:aug* *:augroup* | |
| 1173 :aug[roup] {name} Define the autocmd group name for the | |
| 1174 following ":autocmd" commands. The name "end" | |
| 1175 or "END" selects the default group. | |
|
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1176 To avoid confusion, the name should be |
|
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1177 different from existing {event} names, as this |
|
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|
1178 most likely will not do what you intended. |
| 7 | 1179 |
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diff
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|
1180 *:augroup-delete* *E367* *W19* *E936* |
| 7 | 1181 :aug[roup]! {name} Delete the autocmd group {name}. Don't use |
| 1182 this if there is still an autocommand using | |
|
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|
1183 this group! You will get a warning if doing |
|
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1184 it anyway. when the group is the current group |
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|
1185 you will get error E936. |
| 7 | 1186 |
| 1187 To enter autocommands for a specific group, use this method: | |
| 1188 1. Select the group with ":augroup {name}". | |
| 1189 2. Delete any old autocommands with ":au!". | |
| 1190 3. Define the autocommands. | |
| 1191 4. Go back to the default group with "augroup END". | |
| 1192 | |
| 1193 Example: > | |
| 1194 :augroup uncompress | |
| 1195 : au! | |
| 1196 : au BufEnter *.gz %!gunzip | |
| 1197 :augroup END | |
| 1198 | |
| 1199 This prevents having the autocommands defined twice (e.g., after sourcing the | |
| 1200 .vimrc file again). | |
| 1201 | |
| 1202 ============================================================================== | |
| 40 | 1203 9. Executing autocommands *autocmd-execute* |
| 7 | 1204 |
| 1205 Vim can also execute Autocommands non-automatically. This is useful if you | |
| 1206 have changed autocommands, or when Vim has executed the wrong autocommands | |
| 1207 (e.g., the file pattern match was wrong). | |
| 1208 | |
| 1209 Note that the 'eventignore' option applies here too. Events listed in this | |
| 1210 option will not cause any commands to be executed. | |
| 1211 | |
| 1212 *:do* *:doau* *:doautocmd* *E217* | |
| 3356 | 1213 :do[autocmd] [<nomodeline>] [group] {event} [fname] |
| 7 | 1214 Apply the autocommands matching [fname] (default: |
| 1215 current file name) for {event} to the current buffer. | |
| 1216 You can use this when the current file name does not | |
| 1217 match the right pattern, after changing settings, or | |
| 1218 to execute autocommands for a certain event. | |
| 1219 It's possible to use this inside an autocommand too, | |
| 1220 so you can base the autocommands for one extension on | |
| 1221 another extension. Example: > | |
| 3224 | 1222 :au BufEnter *.cpp so ~/.vimrc_cpp |
| 1223 :au BufEnter *.cpp doau BufEnter x.c | |
| 7 | 1224 < Be careful to avoid endless loops. See |
| 1225 |autocmd-nested|. | |
| 1226 | |
| 1227 When the [group] argument is not given, Vim executes | |
| 1228 the autocommands for all groups. When the [group] | |
| 1229 argument is included, Vim executes only the matching | |
| 1230 autocommands for that group. Note: if you use an | |
| 1231 undefined group name, Vim gives you an error message. | |
| 3350 | 1232 *<nomodeline>* |
| 1233 After applying the autocommands the modelines are | |
| 1234 processed, so that their settings overrule the | |
| 1235 settings from autocommands, like what happens when | |
| 1236 editing a file. This is skipped when the <nomodeline> | |
| 1237 argument is present. You probably want to use | |
| 1238 <nomodeline> for events that are not used when loading | |
| 1239 a buffer, such as |User|. | |
|
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1240 Processing modelines is also skipped when no |
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1241 matching autocommands were executed. |
| 7 | 1242 |
| 1243 *:doautoa* *:doautoall* | |
| 3342 | 1244 :doautoa[ll] [<nomodeline>] [group] {event} [fname] |
| 7 | 1245 Like ":doautocmd", but apply the autocommands to each |
|
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|
1246 loaded buffer. Note that [fname] is used to select |
| 7 | 1247 the autocommands, not the buffers to which they are |
| 1248 applied. | |
| 1249 Careful: Don't use this for autocommands that delete a | |
| 1250 buffer, change to another buffer or change the | |
| 1251 contents of a buffer; the result is unpredictable. | |
| 1252 This command is intended for autocommands that set | |
| 1253 options, change highlighting, and things like that. | |
| 1254 | |
| 1255 ============================================================================== | |
| 40 | 1256 10. Using autocommands *autocmd-use* |
| 7 | 1257 |
| 1258 For WRITING FILES there are four possible sets of events. Vim uses only one | |
| 1259 of these sets for a write command: | |
| 1260 | |
| 1261 BufWriteCmd BufWritePre BufWritePost writing the whole buffer | |
| 1262 FilterWritePre FilterWritePost writing to filter temp file | |
| 1263 FileAppendCmd FileAppendPre FileAppendPost appending to a file | |
| 1264 FileWriteCmd FileWritePre FileWritePost any other file write | |
| 1265 | |
| 1266 When there is a matching "*Cmd" autocommand, it is assumed it will do the | |
| 1267 writing. No further writing is done and the other events are not triggered. | |
| 1268 |Cmd-event| | |
| 1269 | |
| 1270 Note that the *WritePost commands should undo any changes to the buffer that | |
| 1271 were caused by the *WritePre commands; otherwise, writing the file will have | |
| 1272 the side effect of changing the buffer. | |
| 1273 | |
| 1274 Before executing the autocommands, the buffer from which the lines are to be | |
| 1275 written temporarily becomes the current buffer. Unless the autocommands | |
| 1276 change the current buffer or delete the previously current buffer, the | |
| 1277 previously current buffer is made the current buffer again. | |
| 1278 | |
| 1279 The *WritePre and *AppendPre autocommands must not delete the buffer from | |
| 1280 which the lines are to be written. | |
| 1281 | |
| 1282 The '[ and '] marks have a special position: | |
| 1283 - Before the *ReadPre event the '[ mark is set to the line just above where | |
| 1284 the new lines will be inserted. | |
| 1285 - Before the *ReadPost event the '[ mark is set to the first line that was | |
| 1286 just read, the '] mark to the last line. | |
| 26 | 1287 - Before executing the *WriteCmd, *WritePre and *AppendPre autocommands the '[ |
| 1288 mark is set to the first line that will be written, the '] mark to the last | |
| 1289 line. | |
| 7 | 1290 Careful: '[ and '] change when using commands that change the buffer. |
| 1291 | |
| 1292 In commands which expect a file name, you can use "<afile>" for the file name | |
| 1293 that is being read |:<afile>| (you can also use "%" for the current file | |
| 1294 name). "<abuf>" can be used for the buffer number of the currently effective | |
| 1295 buffer. This also works for buffers that doesn't have a name. But it doesn't | |
| 1296 work for files without a buffer (e.g., with ":r file"). | |
| 1297 | |
| 1298 *gzip-example* | |
| 1299 Examples for reading and writing compressed files: > | |
| 1300 :augroup gzip | |
| 1301 : autocmd! | |
| 1302 : autocmd BufReadPre,FileReadPre *.gz set bin | |
| 1303 : autocmd BufReadPost,FileReadPost *.gz '[,']!gunzip | |
| 1304 : autocmd BufReadPost,FileReadPost *.gz set nobin | |
| 1305 : autocmd BufReadPost,FileReadPost *.gz execute ":doautocmd BufReadPost " . expand("%:r") | |
| 1306 : autocmd BufWritePost,FileWritePost *.gz !mv <afile> <afile>:r | |
| 1307 : autocmd BufWritePost,FileWritePost *.gz !gzip <afile>:r | |
| 1308 | |
| 1309 : autocmd FileAppendPre *.gz !gunzip <afile> | |
| 1310 : autocmd FileAppendPre *.gz !mv <afile>:r <afile> | |
| 1311 : autocmd FileAppendPost *.gz !mv <afile> <afile>:r | |
| 1312 : autocmd FileAppendPost *.gz !gzip <afile>:r | |
| 1313 :augroup END | |
| 1314 | |
| 1315 The "gzip" group is used to be able to delete any existing autocommands with | |
| 1316 ":autocmd!", for when the file is sourced twice. | |
| 1317 | |
| 1318 ("<afile>:r" is the file name without the extension, see |:_%:|) | |
| 1319 | |
| 1320 The commands executed for the BufNewFile, BufRead/BufReadPost, BufWritePost, | |
| 1321 FileAppendPost and VimLeave events do not set or reset the changed flag of the | |
| 1322 buffer. When you decompress the buffer with the BufReadPost autocommands, you | |
| 1323 can still exit with ":q". When you use ":undo" in BufWritePost to undo the | |
| 1324 changes made by BufWritePre commands, you can still do ":q" (this also makes | |
| 1325 "ZZ" work). If you do want the buffer to be marked as modified, set the | |
| 1326 'modified' option. | |
| 1327 | |
| 1328 To execute Normal mode commands from an autocommand, use the ":normal" | |
| 1329 command. Use with care! If the Normal mode command is not finished, the user | |
| 1330 needs to type characters (e.g., after ":normal m" you need to type a mark | |
| 1331 name). | |
| 1332 | |
| 1333 If you want the buffer to be unmodified after changing it, reset the | |
| 1334 'modified' option. This makes it possible to exit the buffer with ":q" | |
| 1335 instead of ":q!". | |
| 1336 | |
| 1337 *autocmd-nested* *E218* | |
| 1338 By default, autocommands do not nest. If you use ":e" or ":w" in an | |
| 1339 autocommand, Vim does not execute the BufRead and BufWrite autocommands for | |
| 1340 those commands. If you do want this, use the "nested" flag for those commands | |
| 1341 in which you want nesting. For example: > | |
| 1342 :autocmd FileChangedShell *.c nested e! | |
| 1343 The nesting is limited to 10 levels to get out of recursive loops. | |
| 1344 | |
| 1345 It's possible to use the ":au" command in an autocommand. This can be a | |
| 1346 self-modifying command! This can be useful for an autocommand that should | |
| 1347 execute only once. | |
| 1348 | |
| 590 | 1349 If you want to skip autocommands for one command, use the |:noautocmd| command |
| 1350 modifier or the 'eventignore' option. | |
| 7 | 1351 |
| 1352 Note: When reading a file (with ":read file" or with a filter command) and the | |
| 1353 last line in the file does not have an <EOL>, Vim remembers this. At the next | |
| 1354 write (with ":write file" or with a filter command), if the same line is | |
| 1355 written again as the last line in a file AND 'binary' is set, Vim does not | |
| 1356 supply an <EOL>. This makes a filter command on the just read lines write the | |
| 1357 same file as was read, and makes a write command on just filtered lines write | |
| 1358 the same file as was read from the filter. For example, another way to write | |
| 1359 a compressed file: > | |
| 1360 | |
| 1361 :autocmd FileWritePre *.gz set bin|'[,']!gzip | |
| 1362 :autocmd FileWritePost *.gz undo|set nobin | |
| 1363 < | |
| 1364 *autocommand-pattern* | |
| 1365 You can specify multiple patterns, separated by commas. Here are some | |
| 1366 examples: > | |
| 1367 | |
| 1368 :autocmd BufRead * set tw=79 nocin ic infercase fo=2croq | |
| 1369 :autocmd BufRead .letter set tw=72 fo=2tcrq | |
| 1370 :autocmd BufEnter .letter set dict=/usr/lib/dict/words | |
| 1371 :autocmd BufLeave .letter set dict= | |
| 1372 :autocmd BufRead,BufNewFile *.c,*.h set tw=0 cin noic | |
| 1373 :autocmd BufEnter *.c,*.h abbr FOR for (i = 0; i < 3; ++i)<CR>{<CR>}<Esc>O | |
| 1374 :autocmd BufLeave *.c,*.h unabbr FOR | |
| 1375 | |
| 1376 For makefiles (makefile, Makefile, imakefile, makefile.unix, etc.): > | |
| 1377 | |
| 1378 :autocmd BufEnter ?akefile* set include=^s\=include | |
| 1379 :autocmd BufLeave ?akefile* set include& | |
| 1380 | |
| 1381 To always start editing C files at the first function: > | |
| 1382 | |
| 1383 :autocmd BufRead *.c,*.h 1;/^{ | |
| 1384 | |
| 1385 Without the "1;" above, the search would start from wherever the file was | |
| 1386 entered, rather than from the start of the file. | |
| 1387 | |
| 1388 *skeleton* *template* | |
| 1389 To read a skeleton (template) file when opening a new file: > | |
| 1390 | |
| 1391 :autocmd BufNewFile *.c 0r ~/vim/skeleton.c | |
| 1392 :autocmd BufNewFile *.h 0r ~/vim/skeleton.h | |
| 1393 :autocmd BufNewFile *.java 0r ~/vim/skeleton.java | |
| 1394 | |
| 1395 To insert the current date and time in a *.html file when writing it: > | |
| 1396 | |
| 1397 :autocmd BufWritePre,FileWritePre *.html ks|call LastMod()|'s | |
| 1398 :fun LastMod() | |
| 1399 : if line("$") > 20 | |
| 1400 : let l = 20 | |
| 1401 : else | |
| 1402 : let l = line("$") | |
| 1403 : endif | |
| 1404 : exe "1," . l . "g/Last modified: /s/Last modified: .*/Last modified: " . | |
| 1405 : \ strftime("%Y %b %d") | |
| 1406 :endfun | |
| 1407 | |
| 1408 You need to have a line "Last modified: <date time>" in the first 20 lines | |
| 1409 of the file for this to work. Vim replaces <date time> (and anything in the | |
| 1410 same line after it) with the current date and time. Explanation: | |
| 1411 ks mark current position with mark 's' | |
| 1412 call LastMod() call the LastMod() function to do the work | |
| 1413 's return the cursor to the old position | |
| 1414 The LastMod() function checks if the file is shorter than 20 lines, and then | |
| 1415 uses the ":g" command to find lines that contain "Last modified: ". For those | |
| 1416 lines the ":s" command is executed to replace the existing date with the | |
| 1417 current one. The ":execute" command is used to be able to use an expression | |
| 1418 for the ":g" and ":s" commands. The date is obtained with the strftime() | |
| 1419 function. You can change its argument to get another date string. | |
| 1420 | |
| 1421 When entering :autocmd on the command-line, completion of events and command | |
| 1422 names may be done (with <Tab>, CTRL-D, etc.) where appropriate. | |
| 1423 | |
| 1424 Vim executes all matching autocommands in the order that you specify them. | |
| 1425 It is recommended that your first autocommand be used for all files by using | |
| 1426 "*" as the file pattern. This means that you can define defaults you like | |
| 1427 here for any settings, and if there is another matching autocommand it will | |
| 1428 override these. But if there is no other matching autocommand, then at least | |
| 1429 your default settings are recovered (if entering this file from another for | |
| 1430 which autocommands did match). Note that "*" will also match files starting | |
| 1431 with ".", unlike Unix shells. | |
| 1432 | |
| 1433 *autocmd-searchpat* | |
| 1434 Autocommands do not change the current search patterns. Vim saves the current | |
| 1435 search patterns before executing autocommands then restores them after the | |
| 1436 autocommands finish. This means that autocommands do not affect the strings | |
| 1437 highlighted with the 'hlsearch' option. Within autocommands, you can still | |
| 1438 use search patterns normally, e.g., with the "n" command. | |
| 1439 If you want an autocommand to set the search pattern, such that it is used | |
| 1440 after the autocommand finishes, use the ":let @/ =" command. | |
| 1441 The search-highlighting cannot be switched off with ":nohlsearch" in an | |
| 1442 autocommand. Use the 'h' flag in the 'viminfo' option to disable search- | |
| 1443 highlighting when starting Vim. | |
| 1444 | |
| 1445 *Cmd-event* | |
| 1446 When using one of the "*Cmd" events, the matching autocommands are expected to | |
| 1061 | 1447 do the file reading, writing or sourcing. This can be used when working with |
| 1448 a special kind of file, for example on a remote system. | |
| 7 | 1449 CAREFUL: If you use these events in a wrong way, it may have the effect of |
| 1450 making it impossible to read or write the matching files! Make sure you test | |
| 1451 your autocommands properly. Best is to use a pattern that will never match a | |
| 1452 normal file name, for example "ftp://*". | |
| 1453 | |
| 1454 When defining a BufReadCmd it will be difficult for Vim to recover a crashed | |
| 1455 editing session. When recovering from the original file, Vim reads only those | |
| 1456 parts of a file that are not found in the swap file. Since that is not | |
| 1457 possible with a BufReadCmd, use the |:preserve| command to make sure the | |
| 1458 original file isn't needed for recovery. You might want to do this only when | |
| 1459 you expect the file to be modified. | |
| 1460 | |
| 1061 | 1461 For file read and write commands the |v:cmdarg| variable holds the "++enc=" |
| 1462 and "++ff=" argument that are effective. These should be used for the command | |
| 1463 that reads/writes the file. The |v:cmdbang| variable is one when "!" was | |
| 1464 used, zero otherwise. | |
| 7 | 1465 |
|
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1466 See the $VIMRUNTIME/plugin/netrwPlugin.vim for examples. |
| 7 | 1467 |
| 590 | 1468 ============================================================================== |
| 1469 11. Disabling autocommands *autocmd-disable* | |
| 1470 | |
| 1471 To disable autocommands for some time use the 'eventignore' option. Note that | |
| 1472 this may cause unexpected behavior, make sure you restore 'eventignore' | |
| 1473 afterwards, using a |:try| block with |:finally|. | |
| 1474 | |
| 1475 *:noautocmd* *:noa* | |
| 1476 To disable autocommands for just one command use the ":noautocmd" command | |
| 1477 modifier. This will set 'eventignore' to "all" for the duration of the | |
| 1478 following command. Example: > | |
| 1479 | |
| 1480 :noautocmd w fname.gz | |
| 1481 | |
| 1482 This will write the file without triggering the autocommands defined by the | |
| 1483 gzip plugin. | |
| 1484 | |
| 40 | 1485 |
| 7 | 1486 vim:tw=78:ts=8:ft=help:norl: |