Mercurial > vim
annotate runtime/doc/autocmd.txt @ 23106:b0c88aa0175b v8.2.2099
patch 8.2.2099: Vim9: some checks are not tested
Commit: https://github.com/vim/vim/commit/918a4249176a8ccec3a34c9c7ef7bf4163676a63
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Dec 6 14:37:08 2020 +0100
patch 8.2.2099: Vim9: some checks are not tested
Problem: Vim9: some checks are not tested.
Solution: Add a few more tests. Give better error messages.
author | Bram Moolenaar <Bram@vim.org> |
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date | Sun, 06 Dec 2020 14:45:04 +0100 |
parents | ad674a98058a |
children | 99ef85ff1af4 |
rev | line source |
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22958 | 1 *autocmd.txt* For Vim version 8.2. Last change: 2020 Nov 12 |
7 | 2 |
3 | |
4 VIM REFERENCE MANUAL by Bram Moolenaar | |
5 | |
6 | |
14193 | 7 Automatic commands *autocommand* *autocommands* |
7 | 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 | |
24 ============================================================================== | |
25 1. Introduction *autocmd-intro* | |
26 | |
22 | 27 You can specify commands to be executed automatically when reading or writing |
28 a file, when entering or leaving a buffer or window, and when exiting Vim. | |
29 For example, you can create an autocommand to set the 'cindent' option for | |
30 files matching *.c. You can also use autocommands to implement advanced | |
7 | 31 features, such as editing compressed files (see |gzip-example|). The usual |
32 place to put autocommands is in your .vimrc or .exrc file. | |
33 | |
13231 | 34 *E203* *E204* *E143* *E855* *E937* *E952* |
7 | 35 WARNING: Using autocommands is very powerful, and may lead to unexpected side |
36 effects. Be careful not to destroy your text. | |
37 - It's a good idea to do some testing on an expendable copy of a file first. | |
38 For example: If you use autocommands to decompress a file when starting to | |
39 edit it, make sure that the autocommands for compressing when writing work | |
40 correctly. | |
41 - Be prepared for an error halfway through (e.g., disk full). Vim will mostly | |
42 be able to undo the changes to the buffer, but you may have to clean up the | |
43 changes to other files by hand (e.g., compress a file that has been | |
44 decompressed). | |
45 - If the BufRead* events allow you to edit a compressed file, the FileRead* | |
46 events should do the same (this makes recovery possible in some rare cases). | |
47 It's a good idea to use the same autocommands for the File* and Buf* events | |
48 when possible. | |
49 | |
50 ============================================================================== | |
51 2. Defining autocommands *autocmd-define* | |
52 | |
53 *:au* *:autocmd* | |
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54 :au[tocmd] [group] {event} {pat} [++once] [++nested] {cmd} |
7 | 55 Add {cmd} to the list of commands that Vim will |
56 execute automatically on {event} for a file matching | |
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57 {pat} |autocmd-patterns|. |
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58 Note: A quote character is seen as argument to the |
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59 :autocmd and won't start a comment. |
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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. |
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63 See |autocmd-nested| for [++nested]. "nested" |
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64 (without the ++) can also be used, for backwards |
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65 compatibility. |
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66 *autocmd-once* |
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67 If [++once] is supplied the command is executed once, |
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68 then removed ("one shot"). |
7 | 69 |
40 | 70 The special pattern <buffer> or <buffer=N> defines a buffer-local autocommand. |
71 See |autocmd-buflocal|. | |
72 | |
22958 | 73 If the `:autocmd` is in Vim9 script then {cmd} will be executed as in Vim9 |
74 script. Thus this depends on where the autocmd is defined, not where it is | |
75 triggered. | |
76 | |
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77 Note: The ":autocmd" command can only be followed by another command when the |
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78 '|' appears before {cmd}. This works: > |
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79 :augroup mine | au! BufRead | augroup END |
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80 But this sees "augroup" as part of the defined command: > |
12785 | 81 :augroup mine | au! BufRead * | augroup END |
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82 :augroup mine | au BufRead * set tw=70 | augroup END |
12785 | 83 Instead you can put the group name into the command: > |
84 :au! mine BufRead * | |
85 :au mine BufRead * set tw=70 | |
86 Or use `:execute`: > | |
87 :augroup mine | exe "au! BufRead *" | augroup END | |
88 :augroup mine | exe "au BufRead * set tw=70" | augroup END | |
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89 |
7 | 90 Note that special characters (e.g., "%", "<cword>") in the ":autocmd" |
91 arguments are not expanded when the autocommand is defined. These will be | |
92 expanded when the Event is recognized, and the {cmd} is executed. The only | |
93 exception is that "<sfile>" is expanded when the autocmd is defined. Example: | |
94 > | |
95 :au BufNewFile,BufRead *.html so <sfile>:h/html.vim | |
96 | |
97 Here Vim expands <sfile> to the name of the file containing this line. | |
98 | |
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99 `:autocmd` adds to the list of autocommands regardless of whether they are |
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100 already present. When your .vimrc file is sourced twice, the autocommands |
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101 will appear twice. To avoid this, define your autocommands in a group, so |
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102 that you can easily clear them: > |
7 | 103 |
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104 augroup vimrc |
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105 " Remove all vimrc autocommands |
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106 autocmd! |
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107 au BufNewFile,BufRead *.html so <sfile>:h/html.vim |
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108 augroup END |
7 | 109 |
110 If you don't want to remove all autocommands, you can instead use a variable | |
111 to ensure that Vim includes the autocommands only once: > | |
112 | |
113 :if !exists("autocommands_loaded") | |
114 : let autocommands_loaded = 1 | |
115 : au ... | |
116 :endif | |
117 | |
118 When the [group] argument is not given, Vim uses the current group (as defined | |
119 with ":augroup"); otherwise, Vim uses the group defined with [group]. Note | |
120 that [group] must have been defined before. You cannot define a new group | |
121 with ":au group ..."; use ":augroup" for that. | |
122 | |
123 While testing autocommands, you might find the 'verbose' option to be useful: > | |
124 :set verbose=9 | |
125 This setting makes Vim echo the autocommands as it executes them. | |
126 | |
127 When defining an autocommand in a script, it will be able to call functions | |
128 local to the script and use mappings local to the script. When the event is | |
129 triggered and the command executed, it will run in the context of the script | |
130 it was defined in. This matters if |<SID>| is used in a command. | |
131 | |
1621 | 132 When executing the commands, the message from one command overwrites a |
7 | 133 previous message. This is different from when executing the commands |
134 manually. Mostly the screen will not scroll up, thus there is no hit-enter | |
135 prompt. When one command outputs two messages this can happen anyway. | |
136 | |
137 ============================================================================== | |
138 3. Removing autocommands *autocmd-remove* | |
139 | |
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140 :au[tocmd]! [group] {event} {pat} [++once] [++nested] {cmd} |
7 | 141 Remove all autocommands associated with {event} and |
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142 {pat}, and add the command {cmd}. |
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143 See |autocmd-once| for [++once]. |
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144 See |autocmd-nested| for [++nested]. |
7 | 145 |
146 :au[tocmd]! [group] {event} {pat} | |
147 Remove all autocommands associated with {event} and | |
148 {pat}. | |
149 | |
150 :au[tocmd]! [group] * {pat} | |
151 Remove all autocommands associated with {pat} for all | |
152 events. | |
153 | |
154 :au[tocmd]! [group] {event} | |
155 Remove ALL autocommands for {event}. | |
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156 Warning: You should not do this without a group for |
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157 |BufRead| and other common events, it can break |
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158 plugins, syntax highlighting, etc. |
7 | 159 |
160 :au[tocmd]! [group] Remove ALL autocommands. | |
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161 Note: a quote will be seen as argument to the :autocmd |
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162 and won't start a comment. |
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163 Warning: You should normally not do this without a |
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164 group, it breaks plugins, syntax highlighting, etc. |
7 | 165 |
166 When the [group] argument is not given, Vim uses the current group (as defined | |
167 with ":augroup"); otherwise, Vim uses the group defined with [group]. | |
168 | |
169 ============================================================================== | |
170 4. Listing autocommands *autocmd-list* | |
171 | |
172 :au[tocmd] [group] {event} {pat} | |
173 Show the autocommands associated with {event} and | |
174 {pat}. | |
175 | |
176 :au[tocmd] [group] * {pat} | |
177 Show the autocommands associated with {pat} for all | |
178 events. | |
179 | |
180 :au[tocmd] [group] {event} | |
181 Show all autocommands for {event}. | |
182 | |
183 :au[tocmd] [group] Show all autocommands. | |
184 | |
185 If you provide the [group] argument, Vim lists only the autocommands for | |
186 [group]; otherwise, Vim lists the autocommands for ALL groups. Note that this | |
187 argument behavior differs from that for defining and removing autocommands. | |
188 | |
40 | 189 In order to list buffer-local autocommands, use a pattern in the form <buffer> |
190 or <buffer=N>. See |autocmd-buflocal|. | |
191 | |
500 | 192 *:autocmd-verbose* |
193 When 'verbose' is non-zero, listing an autocommand will also display where it | |
194 was last defined. Example: > | |
195 | |
196 :verbose autocmd BufEnter | |
197 FileExplorer BufEnter | |
856 | 198 * call s:LocalBrowse(expand("<amatch>")) |
500 | 199 Last set from /usr/share/vim/vim-7.0/plugin/NetrwPlugin.vim |
200 < | |
201 See |:verbose-cmd| for more information. | |
202 | |
7 | 203 ============================================================================== |
204 5. Events *autocmd-events* *E215* *E216* | |
205 | |
579 | 206 You can specify a comma-separated list of event names. No white space can be |
207 used in this list. The command applies to all the events in the list. | |
208 | |
209 For READING FILES there are four kinds of events possible: | |
210 BufNewFile starting to edit a non-existent file | |
211 BufReadPre BufReadPost starting to edit an existing file | |
212 FilterReadPre FilterReadPost read the temp file with filter output | |
213 FileReadPre FileReadPost any other file read | |
214 Vim uses only one of these four kinds when reading a file. The "Pre" and | |
215 "Post" events are both triggered, before and after reading the file. | |
216 | |
217 Note that the autocommands for the *ReadPre events and all the Filter events | |
218 are not allowed to change the current buffer (you will get an error message if | |
219 this happens). This is to prevent the file to be read into the wrong buffer. | |
220 | |
221 Note that the 'modified' flag is reset AFTER executing the BufReadPost | |
222 and BufNewFile autocommands. But when the 'modified' option was set by the | |
223 autocommands, this doesn't happen. | |
224 | |
225 You can use the 'eventignore' option to ignore a number of events or all | |
226 events. | |
7 | 227 *autocommand-events* *{event}* |
228 Vim recognizes the following events. Vim ignores the case of event names | |
229 (e.g., you can use "BUFread" or "bufread" instead of "BufRead"). | |
230 | |
579 | 231 First an overview by function with a short explanation. Then the list |
843 | 232 alphabetically with full explanations |autocmd-events-abc|. |
579 | 233 |
234 Name triggered by ~ | |
235 | |
236 Reading | |
237 |BufNewFile| starting to edit a file that doesn't exist | |
238 |BufReadPre| starting to edit a new buffer, before reading the file | |
239 |BufRead| starting to edit a new buffer, after reading the file | |
240 |BufReadPost| starting to edit a new buffer, after reading the file | |
241 |BufReadCmd| before starting to edit a new buffer |Cmd-event| | |
242 | |
243 |FileReadPre| before reading a file with a ":read" command | |
244 |FileReadPost| after reading a file with a ":read" command | |
843 | 245 |FileReadCmd| before reading a file with a ":read" command |Cmd-event| |
579 | 246 |
247 |FilterReadPre| before reading a file from a filter command | |
248 |FilterReadPost| after reading a file from a filter command | |
249 | |
250 |StdinReadPre| before reading from stdin into the buffer | |
251 |StdinReadPost| After reading from the stdin into the buffer | |
252 | |
253 Writing | |
254 |BufWrite| starting to write the whole buffer to a file | |
255 |BufWritePre| starting to write the whole buffer to a file | |
256 |BufWritePost| after writing the whole buffer to a file | |
257 |BufWriteCmd| before writing the whole buffer to a file |Cmd-event| | |
258 | |
259 |FileWritePre| starting to write part of a buffer to a file | |
260 |FileWritePost| after writing part of a buffer to a file | |
261 |FileWriteCmd| before writing part of a buffer to a file |Cmd-event| | |
262 | |
263 |FileAppendPre| starting to append to a file | |
264 |FileAppendPost| after appending to a file | |
265 |FileAppendCmd| before appending to a file |Cmd-event| | |
266 | |
267 |FilterWritePre| starting to write a file for a filter command or diff | |
268 |FilterWritePost| after writing a file for a filter command or diff | |
269 | |
270 Buffers | |
271 |BufAdd| just after adding a buffer to the buffer list | |
272 |BufCreate| just after adding a buffer to the buffer list | |
273 |BufDelete| before deleting a buffer from the buffer list | |
274 |BufWipeout| before completely deleting a buffer | |
275 | |
276 |BufFilePre| before changing the name of the current buffer | |
277 |BufFilePost| after changing the name of the current buffer | |
278 | |
279 |BufEnter| after entering a buffer | |
280 |BufLeave| before leaving to another buffer | |
281 |BufWinEnter| after a buffer is displayed in a window | |
282 |BufWinLeave| before a buffer is removed from a window | |
283 | |
284 |BufUnload| before unloading a buffer | |
22723 | 285 |BufHidden| just before a buffer becomes hidden |
579 | 286 |BufNew| just after creating a new buffer |
287 | |
288 |SwapExists| detected an existing swap file | |
289 | |
290 Options | |
291 |FileType| when the 'filetype' option has been set | |
292 |Syntax| when the 'syntax' option has been set | |
293 |EncodingChanged| after the 'encoding' option has been changed | |
294 |TermChanged| after the value of 'term' has changed | |
6935 | 295 |OptionSet| after setting any option |
579 | 296 |
297 Startup and exit | |
298 |VimEnter| after doing all the startup stuff | |
299 |GUIEnter| after starting the GUI successfully | |
3830 | 300 |GUIFailed| after starting the GUI failed |
1154 | 301 |TermResponse| after the terminal response to |t_RV| is received |
579 | 302 |
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303 |QuitPre| when using `:quit`, before deciding whether to exit |
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304 |ExitPre| when using a command that may make Vim exit |
579 | 305 |VimLeavePre| before exiting Vim, before writing the viminfo file |
306 |VimLeave| before exiting Vim, after writing the viminfo file | |
307 | |
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308 Terminal |
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309 |TerminalOpen| after a terminal buffer was created |
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310 |TerminalWinOpen| after a terminal buffer was created in a new window |
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311 |
579 | 312 Various |
313 |FileChangedShell| Vim notices that a file changed since editing started | |
766 | 314 |FileChangedShellPost| After handling a file changed since editing started |
579 | 315 |FileChangedRO| before making the first change to a read-only file |
316 | |
14945 | 317 |DiffUpdated| after diffs have been updated |
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318 |DirChanged| after the working directory has changed |
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319 |
724 | 320 |ShellCmdPost| after executing a shell command |
321 |ShellFilterPost| after filtering with a shell command | |
322 | |
6154 | 323 |CmdUndefined| a user command is used but it isn't defined |
579 | 324 |FuncUndefined| a user function is used but it isn't defined |
650 | 325 |SpellFileMissing| a spell file is used but it can't be found |
716 | 326 |SourcePre| before sourcing a Vim script |
15640 | 327 |SourcePost| after sourcing a Vim script |
1061 | 328 |SourceCmd| before sourcing a Vim script |Cmd-event| |
579 | 329 |
766 | 330 |VimResized| after the Vim window size changed |
579 | 331 |FocusGained| Vim got input focus |
332 |FocusLost| Vim lost input focus | |
333 |CursorHold| the user doesn't press a key for a while | |
661 | 334 |CursorHoldI| the user doesn't press a key for a while in Insert mode |
335 |CursorMoved| the cursor was moved in Normal mode | |
336 |CursorMovedI| the cursor was moved in Insert mode | |
579 | 337 |
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338 |WinNew| after creating a new window |
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339 |TabNew| after creating a new tab page |
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340 |TabClosed| after closing a tab page |
579 | 341 |WinEnter| after entering another window |
342 |WinLeave| before leaving a window | |
677 | 343 |TabEnter| after entering another tab page |
344 |TabLeave| before leaving a tab page | |
579 | 345 |CmdwinEnter| after entering the command-line window |
346 |CmdwinLeave| before leaving the command-line window | |
347 | |
13437 | 348 |CmdlineChanged| after a change was made to the command-line text |
349 |CmdlineEnter| after the cursor moves to the command line | |
350 |CmdlineLeave| before the cursor leaves the command line | |
351 | |
579 | 352 |InsertEnter| starting Insert mode |
353 |InsertChange| when typing <Insert> while in Insert or Replace mode | |
354 |InsertLeave| when leaving Insert mode | |
2845 | 355 |InsertCharPre| when a character was typed in Insert mode, before |
356 inserting it | |
579 | 357 |
5555 | 358 |TextChanged| after a change was made to the text in Normal mode |
359 |TextChangedI| after a change was made to the text in Insert mode | |
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360 when popup menu is not visible |
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361 |TextChangedP| after a change was made to the text in Insert mode |
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362 when popup menu visible |
14347 | 363 |TextYankPost| after text has been yanked or deleted |
5555 | 364 |
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365 |SafeState| nothing pending, going to wait for the user to type a |
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366 character |
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367 |SafeStateAgain| repeated SafeState |
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368 |
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369 |ColorSchemePre| before loading a color scheme |
579 | 370 |ColorScheme| after loading a color scheme |
371 | |
372 |RemoteReply| a reply from a server Vim was received | |
373 | |
374 |QuickFixCmdPre| before a quickfix command is run | |
375 |QuickFixCmdPost| after a quickfix command is run | |
376 | |
377 |SessionLoadPost| after loading a session file | |
378 | |
379 |MenuPopup| just before showing the popup menu | |
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380 |CompleteChanged| after Insert mode completion menu changed |
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381 |CompleteDonePre| after Insert mode completion is done, before clearing |
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382 info |
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383 |CompleteDone| after Insert mode completion is done, after clearing |
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384 info |
579 | 385 |
386 |User| to be used in combination with ":doautocmd" | |
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387 |SigUSR1| after the SIGUSR1 signal has been detected |
579 | 388 |
389 | |
390 The alphabetical list of autocommand events: *autocmd-events-abc* | |
391 | |
392 *BufCreate* *BufAdd* | |
393 BufAdd or BufCreate Just after creating a new buffer which is | |
394 added to the buffer list, or adding a buffer | |
395 to the buffer list. | |
396 Also used just after a buffer in the buffer | |
397 list has been renamed. | |
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398 Not triggered for the initial buffers created |
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399 during startup. |
579 | 400 The BufCreate event is for historic reasons. |
401 NOTE: When this autocommand is executed, the | |
402 current buffer "%" may be different from the | |
403 buffer being created "<afile>". | |
404 *BufDelete* | |
405 BufDelete Before deleting a buffer from the buffer list. | |
406 The BufUnload may be called first (if the | |
407 buffer was loaded). | |
408 Also used just before a buffer in the buffer | |
409 list is renamed. | |
410 NOTE: When this autocommand is executed, the | |
411 current buffer "%" may be different from the | |
1621 | 412 buffer being deleted "<afile>" and "<abuf>". |
1919 | 413 Don't change to another buffer, it will cause |
414 problems. | |
579 | 415 *BufEnter* |
416 BufEnter After entering a buffer. Useful for setting | |
417 options for a file type. Also executed when | |
418 starting to edit a buffer, after the | |
419 BufReadPost autocommands. | |
420 *BufFilePost* | |
421 BufFilePost After changing the name of the current buffer | |
422 with the ":file" or ":saveas" command. | |
625 | 423 *BufFilePre* |
579 | 424 BufFilePre Before changing the name of the current buffer |
425 with the ":file" or ":saveas" command. | |
426 *BufHidden* | |
17261 | 427 BufHidden Just before a buffer becomes hidden. That is, |
428 when there are no longer windows that show | |
579 | 429 the buffer, but the buffer is not unloaded or |
430 deleted. Not used for ":qa" or ":q" when | |
431 exiting Vim. | |
432 NOTE: When this autocommand is executed, the | |
433 current buffer "%" may be different from the | |
434 buffer being unloaded "<afile>". | |
435 *BufLeave* | |
436 BufLeave Before leaving to another buffer. Also when | |
437 leaving or closing the current window and the | |
438 new current window is not for the same buffer. | |
439 Not used for ":qa" or ":q" when exiting Vim. | |
440 *BufNew* | |
441 BufNew Just after creating a new buffer. Also used | |
442 just after a buffer has been renamed. When | |
443 the buffer is added to the buffer list BufAdd | |
444 will be triggered too. | |
445 NOTE: When this autocommand is executed, the | |
446 current buffer "%" may be different from the | |
447 buffer being created "<afile>". | |
7 | 448 *BufNewFile* |
449 BufNewFile When starting to edit a file that doesn't | |
450 exist. Can be used to read in a skeleton | |
451 file. | |
452 *BufRead* *BufReadPost* | |
453 BufRead or BufReadPost When starting to edit a new buffer, after | |
454 reading the file into the buffer, before | |
455 executing the modelines. See |BufWinEnter| | |
456 for when you need to do something after | |
457 processing the modelines. | |
458 This does NOT work for ":r file". Not used | |
459 when the file doesn't exist. Also used after | |
460 successfully recovering a file. | |
3682 | 461 Also triggered for the filetypedetect group |
462 when executing ":filetype detect" and when | |
463 writing an unnamed buffer in a way that the | |
464 buffer gets a name. | |
625 | 465 *BufReadCmd* |
7 | 466 BufReadCmd Before starting to edit a new buffer. Should |
467 read the file into the buffer. |Cmd-event| | |
625 | 468 *BufReadPre* *E200* *E201* |
579 | 469 BufReadPre When starting to edit a new buffer, before |
470 reading the file into the buffer. Not used | |
471 if the file doesn't exist. | |
472 *BufUnload* | |
473 BufUnload Before unloading a buffer. This is when the | |
474 text in the buffer is going to be freed. This | |
475 may be after a BufWritePost and before a | |
476 BufDelete. Also used for all buffers that are | |
477 loaded when Vim is going to exit. | |
478 NOTE: When this autocommand is executed, the | |
479 current buffer "%" may be different from the | |
480 buffer being unloaded "<afile>". | |
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481 Don't change to another buffer or window, it |
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482 will cause problems! |
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483 When exiting and v:dying is 2 or more this |
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484 event is not triggered. |
579 | 485 *BufWinEnter* |
486 BufWinEnter After a buffer is displayed in a window. This | |
487 can be when the buffer is loaded (after | |
1621 | 488 processing the modelines) or when a hidden |
579 | 489 buffer is displayed in a window (and is no |
1621 | 490 longer hidden). |
491 Does not happen for |:split| without | |
492 arguments, since you keep editing the same | |
493 buffer, or ":split" with a file that's already | |
1668 | 494 open in a window, because it re-uses an |
495 existing buffer. But it does happen for a | |
496 ":split" with the name of the current buffer, | |
497 since it reloads that buffer. | |
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498 Does not happen for a terminal window, because |
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499 it starts in Terminal-Job mode and Normal mode |
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500 commands won't work. Use |TerminalOpen| instead. |
579 | 501 *BufWinLeave* |
502 BufWinLeave Before a buffer is removed from a window. | |
503 Not when it's still visible in another window. | |
504 Also triggered when exiting. It's triggered | |
505 before BufUnload or BufHidden. | |
506 NOTE: When this autocommand is executed, the | |
507 current buffer "%" may be different from the | |
508 buffer being unloaded "<afile>". | |
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509 When exiting and v:dying is 2 or more this |
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510 event is not triggered. |
579 | 511 *BufWipeout* |
512 BufWipeout Before completely deleting a buffer. The | |
513 BufUnload and BufDelete events may be called | |
514 first (if the buffer was loaded and was in the | |
515 buffer list). Also used just before a buffer | |
516 is renamed (also when it's not in the buffer | |
517 list). | |
518 NOTE: When this autocommand is executed, the | |
519 current buffer "%" may be different from the | |
520 buffer being deleted "<afile>". | |
1919 | 521 Don't change to another buffer, it will cause |
522 problems. | |
7 | 523 *BufWrite* *BufWritePre* |
524 BufWrite or BufWritePre Before writing the whole buffer to a file. | |
525 *BufWriteCmd* | |
526 BufWriteCmd Before writing the whole buffer to a file. | |
527 Should do the writing of the file and reset | |
39 | 528 'modified' if successful, unless '+' is in |
529 'cpo' and writing to another file |cpo-+|. | |
530 The buffer contents should not be changed. | |
3082 | 531 When the command resets 'modified' the undo |
532 information is adjusted to mark older undo | |
533 states as 'modified', like |:write| does. | |
39 | 534 |Cmd-event| |
579 | 535 *BufWritePost* |
536 BufWritePost After writing the whole buffer to a file | |
537 (should undo the commands for BufWritePre). | |
6154 | 538 *CmdUndefined* |
539 CmdUndefined When a user command is used but it isn't | |
540 defined. Useful for defining a command only | |
541 when it's used. The pattern is matched | |
542 against the command name. Both <amatch> and | |
543 <afile> are set to the name of the command. | |
544 NOTE: Autocompletion won't work until the | |
545 command is defined. An alternative is to | |
546 always define the user command and have it | |
547 invoke an autoloaded function. See |autoload|. | |
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548 *CmdlineChanged* |
13437 | 549 CmdlineChanged After a change was made to the text in the |
550 command line. Be careful not to mess up | |
551 the command line, it may cause Vim to lock up. | |
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552 <afile> is set to a single character, |
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553 indicating the type of command-line. |
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554 |cmdwin-char| |
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555 *CmdlineEnter* |
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556 CmdlineEnter After moving the cursor to the command line, |
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557 where the user can type a command or search |
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558 string; including non-interactive use of ":" |
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559 in a mapping, but not when using |<Cmd>|. |
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560 <afile> is set to a single character, |
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561 indicating the type of command-line. |
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562 |cmdwin-char| |
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563 *CmdlineLeave* |
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564 CmdlineLeave Before leaving the command line; including |
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565 non-interactive use of ":" in a mapping, but |
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566 not when using |<Cmd>|. |
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567 Also when abandoning the command line, after |
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568 typing CTRL-C or <Esc>. |
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569 When the commands result in an error the |
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570 command line is still executed. |
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571 <afile> is set to a single character, |
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572 indicating the type of command-line. |
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573 |cmdwin-char| |
579 | 574 *CmdwinEnter* |
575 CmdwinEnter After entering the command-line window. | |
576 Useful for setting options specifically for | |
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577 this special type of window. |
579 | 578 <afile> is set to a single character, |
579 indicating the type of command-line. | |
580 |cmdwin-char| | |
581 *CmdwinLeave* | |
582 CmdwinLeave Before leaving the command-line window. | |
583 Useful to clean up any global setting done | |
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584 with CmdwinEnter. |
579 | 585 <afile> is set to a single character, |
586 indicating the type of command-line. | |
587 |cmdwin-char| | |
588 *ColorScheme* | |
589 ColorScheme After loading a color scheme. |:colorscheme| | |
5521 | 590 The pattern is matched against the |
591 colorscheme name. <afile> can be used for the | |
592 name of the actual file where this option was | |
593 set, and <amatch> for the new colorscheme | |
594 name. | |
595 | |
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596 *ColorSchemePre* |
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597 ColorSchemePre Before loading a color scheme. |:colorscheme| |
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598 Useful to setup removing things added by a |
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599 color scheme, before another one is loaded. |
18130 | 600 CompleteChanged *CompleteChanged* |
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601 After each time the Insert mode completion |
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602 menu changed. Not fired on popup menu hide, |
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603 use |CompleteDonePre| or |CompleteDone| for |
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604 that. Never triggered recursively. |
661 | 605 |
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|
606 Sets these |v:event| keys: |
16380 | 607 completed_item See |complete-items|. |
16268
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608 height nr of items visible |
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609 width screen cells |
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610 row top screen row |
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611 col leftmost screen column |
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612 size total nr of items |
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613 scrollbar TRUE if visible |
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614 |
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615 It is not allowed to change the text |textlock|. |
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616 |
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617 The size and position of the popup are also |
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618 available by calling |pum_getpos()|. |
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619 |
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620 *CompleteDonePre* |
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621 CompleteDonePre After Insert mode completion is done. Either |
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622 when something was completed or abandoning |
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623 completion. |ins-completion| |
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624 |complete_info()| can be used, the info is |
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625 cleared after triggering CompleteDonePre. |
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626 The |v:completed_item| variable contains |
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627 information about the completed item. |
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628 |
3682 | 629 *CompleteDone* |
630 CompleteDone After Insert mode completion is done. Either | |
631 when something was completed or abandoning | |
632 completion. |ins-completion| | |
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633 |complete_info()| cannot be used, the info is |
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634 cleared before triggering CompleteDone. Use |
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635 CompleteDonePre if you need it. |
6909 | 636 The |v:completed_item| variable contains |
637 information about the completed item. | |
3682 | 638 |
579 | 639 *CursorHold* |
640 CursorHold When the user doesn't press a key for the time | |
22441 | 641 specified with 'updatetime'. Not triggered |
579 | 642 until the user has pressed a key (i.e. doesn't |
643 fire every 'updatetime' ms if you leave Vim to | |
644 make some coffee. :) See |CursorHold-example| | |
645 for previewing tags. | |
646 This event is only triggered in Normal mode. | |
1154 | 647 It is not triggered when waiting for a command |
648 argument to be typed, or a movement after an | |
649 operator. | |
610 | 650 While recording the CursorHold event is not |
651 triggered. |q| | |
6259 | 652 *<CursorHold>* |
653 Internally the autocommand is triggered by the | |
654 <CursorHold> key. In an expression mapping | |
655 |getchar()| may see this character. | |
656 | |
579 | 657 Note: Interactive commands cannot be used for |
658 this event. There is no hit-enter prompt, | |
659 the screen is updated directly (when needed). | |
660 Note: In the future there will probably be | |
661 another option to set the time. | |
662 Hint: to force an update of the status lines | |
663 use: > | |
664 :let &ro = &ro | |
18972 | 665 < {only on Amiga, Unix, Win32 and all GUI |
579 | 666 versions} |
661 | 667 *CursorHoldI* |
668 CursorHoldI Just like CursorHold, but in Insert mode. | |
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669 Not triggered when waiting for another key, |
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670 e.g. after CTRL-V, and not when in CTRL-X mode |
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671 |insert_expand|. |
661 | 672 |
673 *CursorMoved* | |
4911 | 674 CursorMoved After the cursor was moved in Normal or Visual |
675 mode. Also when the text of the cursor line | |
676 has been changed, e.g., with "x", "rx" or "p". | |
661 | 677 Not triggered when there is typeahead or when |
678 an operator is pending. | |
667 | 679 For an example see |match-parens|. |
16023 | 680 Note: This can not be skipped with |
681 `:noautocmd`. | |
4264 | 682 Careful: This is triggered very often, don't |
683 do anything that the user does not expect or | |
684 that is slow. | |
661 | 685 *CursorMovedI* |
686 CursorMovedI After the cursor was moved in Insert mode. | |
3082 | 687 Not triggered when the popup menu is visible. |
661 | 688 Otherwise the same as CursorMoved. |
579 | 689 *EncodingChanged* |
690 EncodingChanged Fires off after the 'encoding' option has been | |
691 changed. Useful to set up fonts, for example. | |
7 | 692 *FileAppendCmd* |
693 FileAppendCmd Before appending to a file. Should do the | |
26 | 694 appending to the file. Use the '[ and '] |
695 marks for the range of lines.|Cmd-event| | |
579 | 696 *FileAppendPost* |
697 FileAppendPost After appending to a file. | |
698 *FileAppendPre* | |
699 FileAppendPre Before appending to a file. Use the '[ and '] | |
700 marks for the range of lines. | |
701 *FileChangedRO* | |
702 FileChangedRO Before making the first change to a read-only | |
703 file. Can be used to check-out the file from | |
704 a source control system. Not triggered when | |
705 the change was caused by an autocommand. | |
706 This event is triggered when making the first | |
707 change in a buffer or the first change after | |
823 | 708 'readonly' was set, just before the change is |
709 applied to the text. | |
579 | 710 WARNING: If the autocommand moves the cursor |
711 the effect of the change is undefined. | |
819 | 712 *E788* |
713 It is not allowed to change to another buffer | |
714 here. You can reload the buffer but not edit | |
715 another one. | |
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716 *E881* |
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717 If the number of lines changes saving for undo |
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718 may fail and the change will be aborted. |
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719 *DiffUpdated* |
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720 DiffUpdated After diffs have been updated. Depending on |
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721 what kind of diff is being used (internal or |
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722 external) this can be triggered on every |
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723 change or when doing |:diffupdate|. |
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724 *DirChanged* |
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725 DirChanged The working directory has changed in response |
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726 to the |:cd| or |:tcd| or |:lcd| commands, or |
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727 as a result of the 'autochdir' option. |
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728 The pattern can be: |
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729 "window" to trigger on `:lcd` |
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730 "tabpage" to trigger on `:tcd` |
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731 "global" to trigger on `:cd` |
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732 "auto" to trigger on 'autochdir'. |
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733 "drop" to trigger on editing a file |
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734 <afile> is set to the new directory name. |
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735 *ExitPre* |
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736 ExitPre When using `:quit`, `:wq` in a way it makes |
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737 Vim exit, or using `:qall`, just after |
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738 |QuitPre|. Can be used to close any |
14123 | 739 non-essential window. Exiting may still be |
740 cancelled if there is a modified buffer that | |
741 isn't automatically saved, use |VimLeavePre| | |
742 for really exiting. | |
7 | 743 *FileChangedShell* |
744 FileChangedShell When Vim notices that the modification time of | |
745 a file has changed since editing started. | |
746 Also when the file attributes of the file | |
5908 | 747 change or when the size of the file changes. |
748 |timestamp| | |
7 | 749 Mostly triggered after executing a shell |
750 command, but also with a |:checktime| command | |
11473 | 751 or when gvim regains input focus. |
7 | 752 This autocommand is triggered for each changed |
753 file. It is not used when 'autoread' is set | |
754 and the buffer was not changed. If a | |
755 FileChangedShell autocommand is present the | |
756 warning message and prompt is not given. | |
179 | 757 The |v:fcs_reason| variable is set to indicate |
758 what happened and |v:fcs_choice| can be used | |
759 to tell Vim what to do next. | |
7 | 760 NOTE: When this autocommand is executed, the |
761 current buffer "%" may be different from the | |
11347 | 762 buffer that was changed, which is in "<afile>". |
7 | 763 NOTE: The commands must not change the current |
764 buffer, jump to another buffer or delete a | |
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765 buffer. *E246* *E811* |
7 | 766 NOTE: This event never nests, to avoid an |
767 endless loop. This means that while executing | |
768 commands for the FileChangedShell event no | |
769 other FileChangedShell event will be | |
770 triggered. | |
766 | 771 *FileChangedShellPost* |
772 FileChangedShellPost After handling a file that was changed outside | |
773 of Vim. Can be used to update the statusline. | |
579 | 774 *FileEncoding* |
775 FileEncoding Obsolete. It still works and is equivalent | |
776 to |EncodingChanged|. | |
777 *FileReadCmd* | |
778 FileReadCmd Before reading a file with a ":read" command. | |
779 Should do the reading of the file. |Cmd-event| | |
780 *FileReadPost* | |
781 FileReadPost After reading a file with a ":read" command. | |
782 Note that Vim sets the '[ and '] marks to the | |
783 first and last line of the read. This can be | |
784 used to operate on the lines just read. | |
785 *FileReadPre* | |
786 FileReadPre Before reading a file with a ":read" command. | |
787 *FileType* | |
1154 | 788 FileType When the 'filetype' option has been set. The |
789 pattern is matched against the filetype. | |
579 | 790 <afile> can be used for the name of the file |
791 where this option was set, and <amatch> for | |
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792 the new value of 'filetype'. Navigating to |
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793 another window or buffer is not allowed. |
579 | 794 See |filetypes|. |
795 *FileWriteCmd* | |
796 FileWriteCmd Before writing to a file, when not writing the | |
797 whole buffer. Should do the writing to the | |
798 file. Should not change the buffer. Use the | |
799 '[ and '] marks for the range of lines. | |
800 |Cmd-event| | |
801 *FileWritePost* | |
802 FileWritePost After writing to a file, when not writing the | |
803 whole buffer. | |
804 *FileWritePre* | |
805 FileWritePre Before writing to a file, when not writing the | |
806 whole buffer. Use the '[ and '] marks for the | |
807 range of lines. | |
808 *FilterReadPost* | |
809 FilterReadPost After reading a file from a filter command. | |
810 Vim checks the pattern against the name of | |
811 the current buffer as with FilterReadPre. | |
812 Not triggered when 'shelltemp' is off. | |
813 *FilterReadPre* *E135* | |
814 FilterReadPre Before reading a file from a filter command. | |
815 Vim checks the pattern against the name of | |
816 the current buffer, not the name of the | |
817 temporary file that is the output of the | |
818 filter command. | |
819 Not triggered when 'shelltemp' is off. | |
820 *FilterWritePost* | |
821 FilterWritePost After writing a file for a filter command or | |
15334 | 822 making a diff with an external diff (see |
823 DiffUpdated for internal diff). | |
579 | 824 Vim checks the pattern against the name of |
825 the current buffer as with FilterWritePre. | |
826 Not triggered when 'shelltemp' is off. | |
827 *FilterWritePre* | |
828 FilterWritePre Before writing a file for a filter command or | |
15334 | 829 making a diff with an external diff. |
579 | 830 Vim checks the pattern against the name of |
831 the current buffer, not the name of the | |
832 temporary file that is the output of the | |
833 filter command. | |
834 Not triggered when 'shelltemp' is off. | |
7 | 835 *FocusGained* |
836 FocusGained When Vim got input focus. Only for the GUI | |
837 version and a few console versions where this | |
838 can be detected. | |
839 *FocusLost* | |
840 FocusLost When Vim lost input focus. Only for the GUI | |
841 version and a few console versions where this | |
11 | 842 can be detected. May also happen when a |
843 dialog pops up. | |
7 | 844 *FuncUndefined* |
845 FuncUndefined When a user function is used but it isn't | |
846 defined. Useful for defining a function only | |
1154 | 847 when it's used. The pattern is matched |
848 against the function name. Both <amatch> and | |
849 <afile> are set to the name of the function. | |
6154 | 850 NOTE: When writing Vim scripts a better |
851 alternative is to use an autoloaded function. | |
161 | 852 See |autoload-functions|. |
579 | 853 *GUIEnter* |
854 GUIEnter After starting the GUI successfully, and after | |
855 opening the window. It is triggered before | |
856 VimEnter when using gvim. Can be used to | |
857 position the window from a .gvimrc file: > | |
858 :autocmd GUIEnter * winpos 100 50 | |
1154 | 859 < *GUIFailed* |
860 GUIFailed After starting the GUI failed. Vim may | |
861 continue to run in the terminal, if possible | |
862 (only on Unix and alikes, when connecting the | |
863 X server fails). You may want to quit Vim: > | |
864 :autocmd GUIFailed * qall | |
579 | 865 < *InsertChange* |
866 InsertChange When typing <Insert> while in Insert or | |
867 Replace mode. The |v:insertmode| variable | |
868 indicates the new mode. | |
869 Be careful not to move the cursor or do | |
870 anything else that the user does not expect. | |
2845 | 871 *InsertCharPre* |
872 InsertCharPre When a character is typed in Insert mode, | |
873 before inserting the char. | |
874 The |v:char| variable indicates the char typed | |
875 and can be changed during the event to insert | |
876 a different character. When |v:char| is set | |
877 to more than one character this text is | |
878 inserted literally. | |
879 It is not allowed to change the text |textlock|. | |
880 The event is not triggered when 'paste' is | |
13437 | 881 set. {only with the +eval feature} |
579 | 882 *InsertEnter* |
1154 | 883 InsertEnter Just before starting Insert mode. Also for |
884 Replace mode and Virtual Replace mode. The | |
579 | 885 |v:insertmode| variable indicates the mode. |
4448 | 886 Be careful not to do anything else that the |
887 user does not expect. | |
888 The cursor is restored afterwards. If you do | |
889 not want that set |v:char| to a non-empty | |
890 string. | |
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891 *InsertLeavePre* |
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892 InsertLeavePre Just before leaving Insert mode. Also when |
22723 | 893 using CTRL-O |i_CTRL-O|. Be careful not to |
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894 change mode or use `:normal`, it will likely |
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895 cause trouble. |
579 | 896 *InsertLeave* |
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897 InsertLeave Just after leaving Insert mode. Also when |
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898 using CTRL-O |i_CTRL-O|. But not for |i_CTRL-C|. |
579 | 899 *MenuPopup* |
900 MenuPopup Just before showing the popup menu (under the | |
901 right mouse button). Useful for adjusting the | |
902 menu for what is under the cursor or mouse | |
903 pointer. | |
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904 The pattern is matched against one or two |
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905 characters representing the mode: |
579 | 906 n Normal |
907 v Visual | |
908 o Operator-pending | |
909 i Insert | |
843 | 910 c Command line |
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|
911 tl Terminal |
6935 | 912 *OptionSet* |
913 OptionSet After setting an option. The pattern is | |
914 matched against the long option name. | |
17085
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915 |<amatch>| indicates what option has been set. |
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916 |
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917 |v:option_type| indicates whether it's global |
17161 | 918 or local scoped. |
17085
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919 |v:option_command| indicates what type of |
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920 set/let command was used (follow the tag to |
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921 see the table). |
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922 |v:option_new| indicates the newly set value. |
17161 | 923 |v:option_oldlocal| has the old local value. |
924 |v:option_oldglobal| has the old global value. | |
17085
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925 |v:option_old| indicates the old option value. |
6935 | 926 |
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927 |v:option_oldlocal| is only set when |:set| |
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928 or |:setlocal| or a |modeline| was used to set |
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929 the option. Similarly |v:option_oldglobal| is |
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930 only set when |:set| or |:setglobal| was used. |
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931 |
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932 Note that when setting a |global-local| string |
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933 option with |:set|, then |v:option_old| is the |
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934 old global value. However, for all other kinds |
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935 of options (local string options, global-local |
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936 number options, ...) it is the old local |
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937 value. |
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938 |
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939 OptionSet is not triggered on startup and for |
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940 the 'key' option for obvious reasons. |
6935 | 941 |
6951
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942 Usage example: Check for the existence of the |
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943 directory in the 'backupdir' and 'undodir' |
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944 options, create the directory if it doesn't |
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945 exist yet. |
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946 |
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947 Note: It's a bad idea to reset an option |
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948 during this autocommand, this may break a |
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949 plugin. You can always use `:noa` to prevent |
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950 triggering this autocommand. |
6935 | 951 |
14864 | 952 When using |:set| in the autocommand the event |
953 is not triggered again. | |
579 | 954 *QuickFixCmdPre* |
955 QuickFixCmdPre Before a quickfix command is run (|:make|, | |
657 | 956 |:lmake|, |:grep|, |:lgrep|, |:grepadd|, |
957 |:lgrepadd|, |:vimgrep|, |:lvimgrep|, | |
3281 | 958 |:vimgrepadd|, |:lvimgrepadd|, |:cscope|, |
3410
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959 |:cfile|, |:cgetfile|, |:caddfile|, |:lfile|, |
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960 |:lgetfile|, |:laddfile|, |:helpgrep|, |
10140
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961 |:lhelpgrep|, |:cexpr|, |:cgetexpr|, |
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962 |:caddexpr|, |:cbuffer|, |:cgetbuffer|, |
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963 |:caddbuffer|). |
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964 The pattern is matched against the command |
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965 being run. When |:grep| is used but 'grepprg' |
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966 is set to "internal" it still matches "grep". |
579 | 967 This command cannot be used to set the |
968 'makeprg' and 'grepprg' variables. | |
969 If this command causes an error, the quickfix | |
970 command is not executed. | |
971 *QuickFixCmdPost* | |
972 QuickFixCmdPost Like QuickFixCmdPre, but after a quickfix | |
842 | 973 command is run, before jumping to the first |
3404 | 974 location. For |:cfile| and |:lfile| commands |
975 it is run after error file is read and before | |
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976 moving to the first error. |
3404 | 977 See |QuickFixCmdPost-example|. |
3682 | 978 *QuitPre* |
4229 | 979 QuitPre When using `:quit`, `:wq` or `:qall`, before |
980 deciding whether it closes the current window | |
981 or quits Vim. Can be used to close any | |
982 non-essential window if the current window is | |
983 the last ordinary window. | |
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984 Also see |ExitPre|. |
579 | 985 *RemoteReply* |
986 RemoteReply When a reply from a Vim that functions as | |
1154 | 987 server was received |server2client()|. The |
988 pattern is matched against the {serverid}. | |
579 | 989 <amatch> is equal to the {serverid} from which |
990 the reply was sent, and <afile> is the actual | |
991 reply string. | |
992 Note that even if an autocommand is defined, | |
993 the reply should be read with |remote_read()| | |
994 to consume it. | |
18098
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995 *SafeState* |
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996 SafeState When nothing is pending, going to wait for the |
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997 user to type a character. |
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998 This will not be triggered when: |
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999 - an operator is pending |
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1000 - a register was entered with "r |
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1001 - halfway executing a command |
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1002 - executing a mapping |
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1003 - there is typeahead |
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1004 - Insert mode completion is active |
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1005 - Command line completion is active |
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1006 You can use `mode()` to find out what state |
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1007 Vim is in. That may be: |
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1008 - VIsual mode |
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1009 - Normal mode |
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1010 - Insert mode |
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1011 - Command-line mode |
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1012 Depending on what you want to do, you may also |
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1013 check more with `state()`, e.g. whether the |
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1014 screen was scrolled for messages. |
18102
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1015 *SafeStateAgain* |
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1016 SafeStateAgain Like SafeState but after processing any |
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1017 messages and invoking callbacks. This may be |
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1018 triggered often, don't do something that takes |
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1019 time. |
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1020 |
579 | 1021 *SessionLoadPost* |
1022 SessionLoadPost After loading the session file created using | |
1023 the |:mksession| command. | |
724 | 1024 *ShellCmdPost* |
1025 ShellCmdPost After executing a shell command with |:!cmd|, | |
1026 |:shell|, |:make| and |:grep|. Can be used to | |
1027 check for any changed files. | |
1028 *ShellFilterPost* | |
1029 ShellFilterPost After executing a shell command with | |
1030 ":{range}!cmd", ":w !cmd" or ":r !cmd". | |
1031 Can be used to check for any changed files. | |
716 | 1032 *SourcePre* |
1033 SourcePre Before sourcing a Vim script. |:source| | |
1061 | 1034 <afile> is the name of the file being sourced. |
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1035 *SourcePost* |
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1036 SourcePost After sourcing a Vim script. |:source| |
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1037 <afile> is the name of the file being sourced. |
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1038 Not triggered when sourcing was interrupted. |
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1039 Also triggered after a SourceCmd autocommand |
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1040 was triggered. |
1061 | 1041 *SourceCmd* |
1042 SourceCmd When sourcing a Vim script. |:source| | |
1043 <afile> is the name of the file being sourced. | |
1044 The autocommand must source this file. | |
1045 |Cmd-event| | |
650 | 1046 *SpellFileMissing* |
1047 SpellFileMissing When trying to load a spell checking file and | |
1061 | 1048 it can't be found. The pattern is matched |
1049 against the language. <amatch> is the | |
1050 language, 'encoding' also matters. See | |
650 | 1051 |spell-SpellFileMissing|. |
579 | 1052 *StdinReadPost* |
1053 StdinReadPost After reading from the stdin into the buffer, | |
1054 before executing the modelines. Only used | |
1055 when the "-" argument was used when Vim was | |
1056 started |--|. | |
1057 *StdinReadPre* | |
1058 StdinReadPre Before reading from stdin into the buffer. | |
1059 Only used when the "-" argument was used when | |
1060 Vim was started |--|. | |
1061 *SwapExists* | |
1062 SwapExists Detected an existing swap file when starting | |
1063 to edit a file. Only when it is possible to | |
1064 select a way to handle the situation, when Vim | |
1065 would ask the user what to do. | |
1066 The |v:swapname| variable holds the name of | |
590 | 1067 the swap file found, <afile> the file being |
1068 edited. |v:swapcommand| may contain a command | |
1069 to be executed in the opened file. | |
1070 The commands should set the |v:swapchoice| | |
1071 variable to a string with one character to | |
1072 tell Vim what should be done next: | |
579 | 1073 'o' open read-only |
1074 'e' edit the file anyway | |
1075 'r' recover | |
1076 'd' delete the swap file | |
1077 'q' quit, don't edit the file | |
1078 'a' abort, like hitting CTRL-C | |
1079 When set to an empty string the user will be | |
1080 asked, as if there was no SwapExists autocmd. | |
1919 | 1081 *E812* |
1082 It is not allowed to change to another buffer, | |
1083 change a buffer name or change directory | |
1084 here. | |
13437 | 1085 {only available with the +eval feature} |
579 | 1086 *Syntax* |
1154 | 1087 Syntax When the 'syntax' option has been set. The |
1088 pattern is matched against the syntax name. | |
579 | 1089 <afile> can be used for the name of the file |
1090 where this option was set, and <amatch> for | |
1091 the new value of 'syntax'. | |
1092 See |:syn-on|. | |
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1093 *TabClosed* |
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1094 TabClosed After closing a tab page. |
677 | 1095 *TabEnter* |
1096 TabEnter Just after entering a tab page. |tab-page| | |
872 | 1097 After triggering the WinEnter and before |
1098 triggering the BufEnter event. | |
677 | 1099 *TabLeave* |
1100 TabLeave Just before leaving a tab page. |tab-page| | |
1101 A WinLeave event will have been triggered | |
1102 first. | |
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1103 *TabNew* |
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1104 TabNew When a tab page was created. |tab-page| |
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1105 A WinEnter event will have been triggered |
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1106 first, TabEnter follows. |
579 | 1107 *TermChanged* |
1108 TermChanged After the value of 'term' has changed. Useful | |
1109 for re-loading the syntax file to update the | |
1110 colors, fonts and other terminal-dependent | |
1111 settings. Executed for all loaded buffers. | |
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1112 *TerminalOpen* |
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1113 TerminalOpen Just after a terminal buffer was created, with |
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|
1114 `:terminal` or |term_start()|. This event is |
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|
1115 triggered even if the buffer is created |
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|
1116 without a window, with the ++hidden option. |
18450
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1117 *TerminalWinOpen* |
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|
1118 TerminalWinOpen Just after a terminal buffer was created, with |
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|
1119 `:terminal` or |term_start()|. This event is |
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|
1120 triggered only if the buffer is created |
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|
1121 with a window. Can be used to set window |
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|
1122 local options for the terminal window. |
579 | 1123 *TermResponse* |
1124 TermResponse After the response to |t_RV| is received from | |
1125 the terminal. The value of |v:termresponse| | |
1126 can be used to do things depending on the | |
2788 | 1127 terminal version. Note that this event may be |
1128 triggered halfway executing another event, | |
1129 especially if file I/O, a shell command or | |
1130 anything else that takes time is involved. | |
4264 | 1131 *TextChanged* |
1132 TextChanged After a change was made to the text in the | |
15512 | 1133 current buffer in Normal mode. That is after |
1134 |b:changedtick| has changed (also when that | |
1135 happened before the TextChanged autocommand | |
1136 was defined). | |
4264 | 1137 Not triggered when there is typeahead or when |
1138 an operator is pending. | |
16023 | 1139 Note: This can not be skipped with |
1140 `:noautocmd`. | |
4264 | 1141 Careful: This is triggered very often, don't |
1142 do anything that the user does not expect or | |
1143 that is slow. | |
1144 *TextChangedI* | |
1145 TextChangedI After a change was made to the text in the | |
1146 current buffer in Insert mode. | |
1147 Not triggered when the popup menu is visible. | |
1148 Otherwise the same as TextChanged. | |
13240
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|
1149 *TextChangedP* |
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|
1150 TextChangedP After a change was made to the text in the |
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|
1151 current buffer in Insert mode, only when the |
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|
1152 popup menu is visible. Otherwise the same as |
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|
1153 TextChanged. |
13051 | 1154 *TextYankPost* |
13037
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|
1155 TextYankPost After text has been yanked or deleted in the |
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|
1156 current buffer. The following values of |
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|
1157 |v:event| can be used to determine the operation |
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|
1158 that triggered this autocmd: |
18130 | 1159 operator The operation performed. |
1160 regcontents Text that was stored in the | |
13037
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|
1161 register, as a list of lines, |
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|
1162 like with: > |
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|
1163 getreg(r, 1, 1) |
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|
1164 < regname Name of the |register| or |
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|
1165 empty string for the unnamed |
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|
1166 register. |
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|
1167 regtype Type of the register, see |
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|
1168 |getregtype()|. |
20824
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|
1169 visual True if the operation is |
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|
1170 performed on a |Visual| area. |
13037
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|
1171 Not triggered when |quote_| is used nor when |
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|
1172 called recursively. |
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|
1173 It is not allowed to change the buffer text, |
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|
1174 see |textlock|. |
13437 | 1175 {only when compiled with the +eval feature} |
20800
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|
1176 |
579 | 1177 *User* |
1178 User Never executed automatically. To be used for | |
1179 autocommands that are only executed with | |
1180 ":doautocmd". | |
13735 | 1181 Note that when `:doautocmd User MyEvent` is |
1182 used while there are no matching autocommands, | |
1183 you will get an error. If you don't want | |
1184 that, define a dummy autocommand yourself. | |
20800
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1185 |
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|
1186 *SigUSR1* |
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|
1187 SigUSR1 After the SIGUSR1 signal has been detected. |
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|
1188 Could be used if other ways of notifying Vim |
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|
1189 are not feasible. E.g. to check for the |
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|
1190 result of a build that takes a long time, or |
e76b83c07bd8
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|
1191 when a motion sensor is triggered. |
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|
1192 {only on Unix} |
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|
1193 |
579 | 1194 *UserGettingBored* |
4264 | 1195 UserGettingBored When the user presses the same key 42 times. |
1196 Just kidding! :-) | |
579 | 1197 *VimEnter* |
1198 VimEnter After doing all the startup stuff, including | |
1199 loading .vimrc files, executing the "-c cmd" | |
1200 arguments, creating all windows and loading | |
1201 the buffers in them. | |
8738
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diff
changeset
|
1202 Just before this event is triggered the |
e770986c855a
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changeset
|
1203 |v:vim_did_enter| variable is set, so that you |
e770986c855a
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|
1204 can do: > |
e770986c855a
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|
1205 if v:vim_did_enter |
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|
1206 call s:init() |
e770986c855a
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|
1207 else |
18130 | 1208 au VimEnter * call s:init() |
8738
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changeset
|
1209 endif |
e770986c855a
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1210 < *VimLeave* |
579 | 1211 VimLeave Before exiting Vim, just after writing the |
1212 .viminfo file. Executed only once, like | |
1213 VimLeavePre. | |
1214 To detect an abnormal exit use |v:dying|. | |
2226
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Bram Moolenaar <bram@vim.org>
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diff
changeset
|
1215 When v:dying is 2 or more this event is not |
36a9ac99e1ca
Don't execute some autocommands when v:dying is 2 or more.
Bram Moolenaar <bram@vim.org>
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diff
changeset
|
1216 triggered. |
23048
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changeset
|
1217 To get the exit code use |v:exiting|. |
579 | 1218 *VimLeavePre* |
1219 VimLeavePre Before exiting Vim, just before writing the | |
1220 .viminfo file. This is executed only once, | |
1221 if there is a match with the name of what | |
1222 happens to be the current buffer when exiting. | |
1223 Mostly useful with a "*" pattern. > | |
1224 :autocmd VimLeavePre * call CleanupStuff() | |
1225 < To detect an abnormal exit use |v:dying|. | |
2226
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|
1226 When v:dying is 2 or more this event is not |
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Bram Moolenaar <bram@vim.org>
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diff
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|
1227 triggered. |
23048
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diff
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|
1228 To get the exit code use |v:exiting|. |
766 | 1229 *VimResized* |
1230 VimResized After the Vim window was resized, thus 'lines' | |
1231 and/or 'columns' changed. Not when starting | |
1232 up though. | |
7 | 1233 *WinEnter* |
1234 WinEnter After entering another window. Not done for | |
1235 the first window, when Vim has just started. | |
1236 Useful for setting the window height. | |
1237 If the window is for another buffer, Vim | |
1238 executes the BufEnter autocommands after the | |
1239 WinEnter autocommands. | |
13735 | 1240 Note: For split and tabpage commands the |
1241 WinEnter event is triggered after the split | |
1242 or tab command but before the file is loaded. | |
1243 | |
7 | 1244 *WinLeave* |
1245 WinLeave Before leaving a window. If the window to be | |
1246 entered next is for a different buffer, Vim | |
1247 executes the BufLeave autocommands before the | |
1248 WinLeave autocommands (but not for ":new"). | |
1249 Not used for ":qa" or ":q" when exiting Vim. | |
1250 | |
9599
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|
1251 *WinNew* |
42a8a81decdf
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diff
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|
1252 WinNew When a new window was created. Not done for |
10218
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|
1253 the first window, when Vim has just started. |
9599
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|
1254 Before a WinEnter event. |
42a8a81decdf
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|
1255 |
7 | 1256 ============================================================================== |
1257 6. Patterns *autocmd-patterns* *{pat}* | |
1258 | |
6741 | 1259 The {pat} argument can be a comma separated list. This works as if the |
1260 command was given with each pattern separately. Thus this command: > | |
1261 :autocmd BufRead *.txt,*.info set et | |
1262 Is equivalent to: > | |
1263 :autocmd BufRead *.txt set et | |
1264 :autocmd BufRead *.info set et | |
1265 | |
7 | 1266 The file pattern {pat} is tested for a match against the file name in one of |
1267 two ways: | |
1268 1. When there is no '/' in the pattern, Vim checks for a match against only | |
1269 the tail part of the file name (without its leading directory path). | |
2033
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diff
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|
1270 2. When there is a '/' in the pattern, Vim checks for a match against both the |
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|
1271 short file name (as you typed it) and the full file name (after expanding |
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1272 it to a full path and resolving symbolic links). |
7 | 1273 |
40 | 1274 The special pattern <buffer> or <buffer=N> is used for buffer-local |
1275 autocommands |autocmd-buflocal|. This pattern is not matched against the name | |
1276 of a buffer. | |
1277 | |
7 | 1278 Examples: > |
1279 :autocmd BufRead *.txt set et | |
1280 Set the 'et' option for all text files. > | |
1281 | |
1282 :autocmd BufRead /vim/src/*.c set cindent | |
1283 Set the 'cindent' option for C files in the /vim/src directory. > | |
1284 | |
1285 :autocmd BufRead /tmp/*.c set ts=5 | |
1286 If you have a link from "/tmp/test.c" to "/home/nobody/vim/src/test.c", and | |
1287 you start editing "/tmp/test.c", this autocommand will match. | |
1288 | |
1289 Note: To match part of a path, but not from the root directory, use a '*' as | |
1290 the first character. Example: > | |
1291 :autocmd BufRead */doc/*.txt set tw=78 | |
1292 This autocommand will for example be executed for "/tmp/doc/xx.txt" and | |
1293 "/usr/home/piet/doc/yy.txt". The number of directories does not matter here. | |
1294 | |
1295 | |
1296 The file name that the pattern is matched against is after expanding | |
1621 | 1297 wildcards. Thus if you issue this command: > |
7 | 1298 :e $ROOTDIR/main.$EXT |
1299 The argument is first expanded to: > | |
1300 /usr/root/main.py | |
1301 Before it's matched with the pattern of the autocommand. Careful with this | |
1302 when using events like FileReadCmd, the value of <amatch> may not be what you | |
1303 expect. | |
1304 | |
1305 | |
1306 Environment variables can be used in a pattern: > | |
1307 :autocmd BufRead $VIMRUNTIME/doc/*.txt set expandtab | |
1308 And ~ can be used for the home directory (if $HOME is defined): > | |
1309 :autocmd BufWritePost ~/.vimrc so ~/.vimrc | |
1310 :autocmd BufRead ~archive/* set readonly | |
1311 The environment variable is expanded when the autocommand is defined, not when | |
1312 the autocommand is executed. This is different from the command! | |
1313 | |
1314 *file-pattern* | |
1315 The pattern is interpreted like mostly used in file names: | |
5294 | 1316 * matches any sequence of characters; Unusual: includes path |
5277 | 1317 separators |
7 | 1318 ? matches any single character |
1319 \? matches a '?' | |
1320 . matches a '.' | |
1321 ~ matches a '~' | |
1322 , separates patterns | |
1323 \, matches a ',' | |
1324 { } like \( \) in a |pattern| | |
1325 , inside { }: like \| in a |pattern| | |
5259
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1326 \} literal } |
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1327 \{ literal { |
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1328 \\\{n,m\} like \{n,m} in a |pattern| |
7 | 1329 \ special meaning like in a |pattern| |
1330 [ch] matches 'c' or 'h' | |
1331 [^ch] match any character but 'c' and 'h' | |
1332 | |
1333 Note that for all systems the '/' character is used for path separator (even | |
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1334 for MS-Windows). This was done because the backslash is difficult to use in a |
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1335 pattern and to make the autocommands portable across different systems. |
7 | 1336 |
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1337 It is possible to use |pattern| items, but they may not work as expected, |
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1338 because of the translation done for the above. |
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changeset
|
1339 |
40 | 1340 *autocmd-changes* |
7 | 1341 Matching with the pattern is done when an event is triggered. Changing the |
1342 buffer name in one of the autocommands, or even deleting the buffer, does not | |
1343 change which autocommands will be executed. Example: > | |
1344 | |
1345 au BufEnter *.foo bdel | |
1346 au BufEnter *.foo set modified | |
1347 | |
1348 This will delete the current buffer and then set 'modified' in what has become | |
1349 the current buffer instead. Vim doesn't take into account that "*.foo" | |
1350 doesn't match with that buffer name. It matches "*.foo" with the name of the | |
1351 buffer at the moment the event was triggered. | |
1352 | |
40 | 1353 However, buffer-local autocommands will not be executed for a buffer that has |
1354 been wiped out with |:bwipe|. After deleting the buffer with |:bdel| the | |
1355 buffer actually still exists (it becomes unlisted), thus the autocommands are | |
1356 still executed. | |
1357 | |
7 | 1358 ============================================================================== |
856 | 1359 7. Buffer-local autocommands *autocmd-buflocal* *autocmd-buffer-local* |
1360 *<buffer=N>* *<buffer=abuf>* *E680* | |
40 | 1361 |
1362 Buffer-local autocommands are attached to a specific buffer. They are useful | |
1363 if the buffer does not have a name and when the name does not match a specific | |
1364 pattern. But it also means they must be explicitly added to each buffer. | |
1365 | |
1366 Instead of a pattern buffer-local autocommands use one of these forms: | |
1367 <buffer> current buffer | |
1368 <buffer=99> buffer number 99 | |
1369 <buffer=abuf> using <abuf> (only when executing autocommands) | |
1370 |<abuf>| | |
1371 | |
1372 Examples: > | |
1373 :au CursorHold <buffer> echo 'hold' | |
1374 :au CursorHold <buffer=33> echo 'hold' | |
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|
1375 :au BufNewFile * au CursorHold <buffer=abuf> echo 'hold' |
40 | 1376 |
1377 All the commands for autocommands also work with buffer-local autocommands, | |
1378 simply use the special string instead of the pattern. Examples: > | |
856 | 1379 :au! * <buffer> " remove buffer-local autocommands for |
1380 " current buffer | |
1381 :au! * <buffer=33> " remove buffer-local autocommands for | |
1382 " buffer #33 | |
1621 | 1383 :bufdo :au! CursorHold <buffer> " remove autocmd for given event for all |
856 | 1384 " buffers |
1385 :au * <buffer> " list buffer-local autocommands for | |
1386 " current buffer | |
40 | 1387 |
1388 Note that when an autocommand is defined for the current buffer, it is stored | |
1389 with the buffer number. Thus it uses the form "<buffer=12>", where 12 is the | |
1390 number of the current buffer. You will see this when listing autocommands, | |
1391 for example. | |
1392 | |
1393 To test for presence of buffer-local autocommands use the |exists()| function | |
1394 as follows: > | |
1395 :if exists("#CursorHold#<buffer=12>") | ... | endif | |
1396 :if exists("#CursorHold#<buffer>") | ... | endif " for current buffer | |
1397 | |
1398 When a buffer is wiped out its buffer-local autocommands are also gone, of | |
1399 course. Note that when deleting a buffer, e.g., with ":bdel", it is only | |
1400 unlisted, the autocommands are still present. In order to see the removal of | |
1401 buffer-local autocommands: > | |
1402 :set verbose=6 | |
1403 | |
1404 It is not possible to define buffer-local autocommands for a non-existent | |
1405 buffer. | |
1406 | |
1407 ============================================================================== | |
1408 8. Groups *autocmd-groups* | |
7 | 1409 |
1410 Autocommands can be put together in a group. This is useful for removing or | |
1411 executing a group of autocommands. For example, all the autocommands for | |
1412 syntax highlighting are put in the "highlight" group, to be able to execute | |
1413 ":doautoall highlight BufRead" when the GUI starts. | |
1414 | |
1415 When no specific group is selected, Vim uses the default group. The default | |
1416 group does not have a name. You cannot execute the autocommands from the | |
1417 default group separately; you can execute them only by executing autocommands | |
1418 for all groups. | |
1419 | |
1420 Normally, when executing autocommands automatically, Vim uses the autocommands | |
1421 for all groups. The group only matters when executing autocommands with | |
1422 ":doautocmd" or ":doautoall", or when defining or deleting autocommands. | |
1423 | |
1424 The group name can contain any characters except white space. The group name | |
1425 "end" is reserved (also in uppercase). | |
1426 | |
1427 The group name is case sensitive. Note that this is different from the event | |
1428 name! | |
1429 | |
1430 *:aug* *:augroup* | |
1431 :aug[roup] {name} Define the autocmd group name for the | |
1432 following ":autocmd" commands. The name "end" | |
1433 or "END" selects the default group. | |
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1434 To avoid confusion, the name should be |
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1435 different from existing {event} names, as this |
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|
1436 most likely will not do what you intended. |
7 | 1437 |
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1438 *:augroup-delete* *E367* *W19* *E936* |
7 | 1439 :aug[roup]! {name} Delete the autocmd group {name}. Don't use |
1440 this if there is still an autocommand using | |
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1441 this group! You will get a warning if doing |
21676 | 1442 it anyway. When the group is the current |
1443 group you will get error E936. | |
7 | 1444 |
1445 To enter autocommands for a specific group, use this method: | |
1446 1. Select the group with ":augroup {name}". | |
1447 2. Delete any old autocommands with ":au!". | |
1448 3. Define the autocommands. | |
1449 4. Go back to the default group with "augroup END". | |
1450 | |
1451 Example: > | |
1452 :augroup uncompress | |
1453 : au! | |
1454 : au BufEnter *.gz %!gunzip | |
1455 :augroup END | |
1456 | |
1457 This prevents having the autocommands defined twice (e.g., after sourcing the | |
1458 .vimrc file again). | |
1459 | |
1460 ============================================================================== | |
40 | 1461 9. Executing autocommands *autocmd-execute* |
7 | 1462 |
1463 Vim can also execute Autocommands non-automatically. This is useful if you | |
1464 have changed autocommands, or when Vim has executed the wrong autocommands | |
1465 (e.g., the file pattern match was wrong). | |
1466 | |
1467 Note that the 'eventignore' option applies here too. Events listed in this | |
1468 option will not cause any commands to be executed. | |
1469 | |
16944 | 1470 *:do* *:doau* *:doaut* *:doautocmd* *E217* |
3356 | 1471 :do[autocmd] [<nomodeline>] [group] {event} [fname] |
7 | 1472 Apply the autocommands matching [fname] (default: |
1473 current file name) for {event} to the current buffer. | |
1474 You can use this when the current file name does not | |
1475 match the right pattern, after changing settings, or | |
1476 to execute autocommands for a certain event. | |
1477 It's possible to use this inside an autocommand too, | |
1478 so you can base the autocommands for one extension on | |
1479 another extension. Example: > | |
3224 | 1480 :au BufEnter *.cpp so ~/.vimrc_cpp |
1481 :au BufEnter *.cpp doau BufEnter x.c | |
7 | 1482 < Be careful to avoid endless loops. See |
1483 |autocmd-nested|. | |
1484 | |
1485 When the [group] argument is not given, Vim executes | |
1486 the autocommands for all groups. When the [group] | |
1487 argument is included, Vim executes only the matching | |
1488 autocommands for that group. Note: if you use an | |
1489 undefined group name, Vim gives you an error message. | |
3350 | 1490 *<nomodeline>* |
1491 After applying the autocommands the modelines are | |
1492 processed, so that their settings overrule the | |
1493 settings from autocommands, like what happens when | |
1494 editing a file. This is skipped when the <nomodeline> | |
1495 argument is present. You probably want to use | |
1496 <nomodeline> for events that are not used when loading | |
1497 a buffer, such as |User|. | |
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1498 Processing modelines is also skipped when no |
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1499 matching autocommands were executed. |
7 | 1500 |
1501 *:doautoa* *:doautoall* | |
3342 | 1502 :doautoa[ll] [<nomodeline>] [group] {event} [fname] |
7 | 1503 Like ":doautocmd", but apply the autocommands to each |
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1504 loaded buffer. Note that [fname] is used to select |
7 | 1505 the autocommands, not the buffers to which they are |
1506 applied. | |
1507 Careful: Don't use this for autocommands that delete a | |
1508 buffer, change to another buffer or change the | |
1509 contents of a buffer; the result is unpredictable. | |
1510 This command is intended for autocommands that set | |
1511 options, change highlighting, and things like that. | |
1512 | |
1513 ============================================================================== | |
40 | 1514 10. Using autocommands *autocmd-use* |
7 | 1515 |
1516 For WRITING FILES there are four possible sets of events. Vim uses only one | |
1517 of these sets for a write command: | |
1518 | |
1519 BufWriteCmd BufWritePre BufWritePost writing the whole buffer | |
1520 FilterWritePre FilterWritePost writing to filter temp file | |
1521 FileAppendCmd FileAppendPre FileAppendPost appending to a file | |
1522 FileWriteCmd FileWritePre FileWritePost any other file write | |
1523 | |
1524 When there is a matching "*Cmd" autocommand, it is assumed it will do the | |
1525 writing. No further writing is done and the other events are not triggered. | |
1526 |Cmd-event| | |
1527 | |
1528 Note that the *WritePost commands should undo any changes to the buffer that | |
1529 were caused by the *WritePre commands; otherwise, writing the file will have | |
1530 the side effect of changing the buffer. | |
1531 | |
1532 Before executing the autocommands, the buffer from which the lines are to be | |
1533 written temporarily becomes the current buffer. Unless the autocommands | |
1534 change the current buffer or delete the previously current buffer, the | |
1535 previously current buffer is made the current buffer again. | |
1536 | |
1537 The *WritePre and *AppendPre autocommands must not delete the buffer from | |
1538 which the lines are to be written. | |
1539 | |
1540 The '[ and '] marks have a special position: | |
1541 - Before the *ReadPre event the '[ mark is set to the line just above where | |
1542 the new lines will be inserted. | |
1543 - Before the *ReadPost event the '[ mark is set to the first line that was | |
1544 just read, the '] mark to the last line. | |
26 | 1545 - Before executing the *WriteCmd, *WritePre and *AppendPre autocommands the '[ |
1546 mark is set to the first line that will be written, the '] mark to the last | |
1547 line. | |
7 | 1548 Careful: '[ and '] change when using commands that change the buffer. |
1549 | |
1550 In commands which expect a file name, you can use "<afile>" for the file name | |
1551 that is being read |:<afile>| (you can also use "%" for the current file | |
1552 name). "<abuf>" can be used for the buffer number of the currently effective | |
14123 | 1553 buffer. This also works for buffers that don't have a name. But it doesn't |
7 | 1554 work for files without a buffer (e.g., with ":r file"). |
1555 | |
1556 *gzip-example* | |
1557 Examples for reading and writing compressed files: > | |
1558 :augroup gzip | |
1559 : autocmd! | |
1560 : autocmd BufReadPre,FileReadPre *.gz set bin | |
1561 : autocmd BufReadPost,FileReadPost *.gz '[,']!gunzip | |
1562 : autocmd BufReadPost,FileReadPost *.gz set nobin | |
1563 : autocmd BufReadPost,FileReadPost *.gz execute ":doautocmd BufReadPost " . expand("%:r") | |
1564 : autocmd BufWritePost,FileWritePost *.gz !mv <afile> <afile>:r | |
1565 : autocmd BufWritePost,FileWritePost *.gz !gzip <afile>:r | |
1566 | |
1567 : autocmd FileAppendPre *.gz !gunzip <afile> | |
1568 : autocmd FileAppendPre *.gz !mv <afile>:r <afile> | |
1569 : autocmd FileAppendPost *.gz !mv <afile> <afile>:r | |
1570 : autocmd FileAppendPost *.gz !gzip <afile>:r | |
1571 :augroup END | |
1572 | |
1573 The "gzip" group is used to be able to delete any existing autocommands with | |
1574 ":autocmd!", for when the file is sourced twice. | |
1575 | |
1576 ("<afile>:r" is the file name without the extension, see |:_%:|) | |
1577 | |
1578 The commands executed for the BufNewFile, BufRead/BufReadPost, BufWritePost, | |
1579 FileAppendPost and VimLeave events do not set or reset the changed flag of the | |
1580 buffer. When you decompress the buffer with the BufReadPost autocommands, you | |
1581 can still exit with ":q". When you use ":undo" in BufWritePost to undo the | |
1582 changes made by BufWritePre commands, you can still do ":q" (this also makes | |
1583 "ZZ" work). If you do want the buffer to be marked as modified, set the | |
1584 'modified' option. | |
1585 | |
1586 To execute Normal mode commands from an autocommand, use the ":normal" | |
1587 command. Use with care! If the Normal mode command is not finished, the user | |
1588 needs to type characters (e.g., after ":normal m" you need to type a mark | |
1589 name). | |
1590 | |
1591 If you want the buffer to be unmodified after changing it, reset the | |
1592 'modified' option. This makes it possible to exit the buffer with ":q" | |
1593 instead of ":q!". | |
1594 | |
1595 *autocmd-nested* *E218* | |
16023 | 1596 By default, autocommands do not nest. For example, if you use ":e" or ":w" in |
1597 an autocommand, Vim does not execute the BufRead and BufWrite autocommands for | |
7 | 1598 those commands. If you do want this, use the "nested" flag for those commands |
1599 in which you want nesting. For example: > | |
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1600 :autocmd FileChangedShell *.c ++nested e! |
7 | 1601 The nesting is limited to 10 levels to get out of recursive loops. |
1602 | |
1603 It's possible to use the ":au" command in an autocommand. This can be a | |
1604 self-modifying command! This can be useful for an autocommand that should | |
1605 execute only once. | |
1606 | |
590 | 1607 If you want to skip autocommands for one command, use the |:noautocmd| command |
1608 modifier or the 'eventignore' option. | |
7 | 1609 |
1610 Note: When reading a file (with ":read file" or with a filter command) and the | |
1611 last line in the file does not have an <EOL>, Vim remembers this. At the next | |
1612 write (with ":write file" or with a filter command), if the same line is | |
1613 written again as the last line in a file AND 'binary' is set, Vim does not | |
1614 supply an <EOL>. This makes a filter command on the just read lines write the | |
1615 same file as was read, and makes a write command on just filtered lines write | |
1616 the same file as was read from the filter. For example, another way to write | |
1617 a compressed file: > | |
1618 | |
1619 :autocmd FileWritePre *.gz set bin|'[,']!gzip | |
1620 :autocmd FileWritePost *.gz undo|set nobin | |
1621 < | |
1622 *autocommand-pattern* | |
1623 You can specify multiple patterns, separated by commas. Here are some | |
1624 examples: > | |
1625 | |
1626 :autocmd BufRead * set tw=79 nocin ic infercase fo=2croq | |
1627 :autocmd BufRead .letter set tw=72 fo=2tcrq | |
1628 :autocmd BufEnter .letter set dict=/usr/lib/dict/words | |
1629 :autocmd BufLeave .letter set dict= | |
1630 :autocmd BufRead,BufNewFile *.c,*.h set tw=0 cin noic | |
1631 :autocmd BufEnter *.c,*.h abbr FOR for (i = 0; i < 3; ++i)<CR>{<CR>}<Esc>O | |
1632 :autocmd BufLeave *.c,*.h unabbr FOR | |
1633 | |
1634 For makefiles (makefile, Makefile, imakefile, makefile.unix, etc.): > | |
1635 | |
1636 :autocmd BufEnter ?akefile* set include=^s\=include | |
1637 :autocmd BufLeave ?akefile* set include& | |
1638 | |
1639 To always start editing C files at the first function: > | |
1640 | |
1641 :autocmd BufRead *.c,*.h 1;/^{ | |
1642 | |
1643 Without the "1;" above, the search would start from wherever the file was | |
1644 entered, rather than from the start of the file. | |
1645 | |
1646 *skeleton* *template* | |
1647 To read a skeleton (template) file when opening a new file: > | |
1648 | |
1649 :autocmd BufNewFile *.c 0r ~/vim/skeleton.c | |
1650 :autocmd BufNewFile *.h 0r ~/vim/skeleton.h | |
1651 :autocmd BufNewFile *.java 0r ~/vim/skeleton.java | |
1652 | |
1653 To insert the current date and time in a *.html file when writing it: > | |
1654 | |
1655 :autocmd BufWritePre,FileWritePre *.html ks|call LastMod()|'s | |
1656 :fun LastMod() | |
1657 : if line("$") > 20 | |
1658 : let l = 20 | |
1659 : else | |
1660 : let l = line("$") | |
1661 : endif | |
1662 : exe "1," . l . "g/Last modified: /s/Last modified: .*/Last modified: " . | |
1663 : \ strftime("%Y %b %d") | |
1664 :endfun | |
1665 | |
1666 You need to have a line "Last modified: <date time>" in the first 20 lines | |
1667 of the file for this to work. Vim replaces <date time> (and anything in the | |
1668 same line after it) with the current date and time. Explanation: | |
1669 ks mark current position with mark 's' | |
1670 call LastMod() call the LastMod() function to do the work | |
1671 's return the cursor to the old position | |
1672 The LastMod() function checks if the file is shorter than 20 lines, and then | |
1673 uses the ":g" command to find lines that contain "Last modified: ". For those | |
1674 lines the ":s" command is executed to replace the existing date with the | |
1675 current one. The ":execute" command is used to be able to use an expression | |
1676 for the ":g" and ":s" commands. The date is obtained with the strftime() | |
1677 function. You can change its argument to get another date string. | |
1678 | |
1679 When entering :autocmd on the command-line, completion of events and command | |
1680 names may be done (with <Tab>, CTRL-D, etc.) where appropriate. | |
1681 | |
1682 Vim executes all matching autocommands in the order that you specify them. | |
1683 It is recommended that your first autocommand be used for all files by using | |
1684 "*" as the file pattern. This means that you can define defaults you like | |
1685 here for any settings, and if there is another matching autocommand it will | |
1686 override these. But if there is no other matching autocommand, then at least | |
1687 your default settings are recovered (if entering this file from another for | |
1688 which autocommands did match). Note that "*" will also match files starting | |
1689 with ".", unlike Unix shells. | |
1690 | |
1691 *autocmd-searchpat* | |
1692 Autocommands do not change the current search patterns. Vim saves the current | |
1693 search patterns before executing autocommands then restores them after the | |
1694 autocommands finish. This means that autocommands do not affect the strings | |
1695 highlighted with the 'hlsearch' option. Within autocommands, you can still | |
1696 use search patterns normally, e.g., with the "n" command. | |
1697 If you want an autocommand to set the search pattern, such that it is used | |
1698 after the autocommand finishes, use the ":let @/ =" command. | |
1699 The search-highlighting cannot be switched off with ":nohlsearch" in an | |
1700 autocommand. Use the 'h' flag in the 'viminfo' option to disable search- | |
1701 highlighting when starting Vim. | |
1702 | |
1703 *Cmd-event* | |
1704 When using one of the "*Cmd" events, the matching autocommands are expected to | |
1061 | 1705 do the file reading, writing or sourcing. This can be used when working with |
1706 a special kind of file, for example on a remote system. | |
7 | 1707 CAREFUL: If you use these events in a wrong way, it may have the effect of |
1708 making it impossible to read or write the matching files! Make sure you test | |
1709 your autocommands properly. Best is to use a pattern that will never match a | |
1710 normal file name, for example "ftp://*". | |
1711 | |
1712 When defining a BufReadCmd it will be difficult for Vim to recover a crashed | |
1713 editing session. When recovering from the original file, Vim reads only those | |
1714 parts of a file that are not found in the swap file. Since that is not | |
1715 possible with a BufReadCmd, use the |:preserve| command to make sure the | |
1716 original file isn't needed for recovery. You might want to do this only when | |
1717 you expect the file to be modified. | |
1718 | |
1061 | 1719 For file read and write commands the |v:cmdarg| variable holds the "++enc=" |
1720 and "++ff=" argument that are effective. These should be used for the command | |
1721 that reads/writes the file. The |v:cmdbang| variable is one when "!" was | |
1722 used, zero otherwise. | |
7 | 1723 |
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diff
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1724 See the $VIMRUNTIME/plugin/netrwPlugin.vim for examples. |
7 | 1725 |
590 | 1726 ============================================================================== |
1727 11. Disabling autocommands *autocmd-disable* | |
1728 | |
1729 To disable autocommands for some time use the 'eventignore' option. Note that | |
1730 this may cause unexpected behavior, make sure you restore 'eventignore' | |
1731 afterwards, using a |:try| block with |:finally|. | |
1732 | |
1733 *:noautocmd* *:noa* | |
1734 To disable autocommands for just one command use the ":noautocmd" command | |
1735 modifier. This will set 'eventignore' to "all" for the duration of the | |
1736 following command. Example: > | |
1737 | |
1738 :noautocmd w fname.gz | |
1739 | |
1740 This will write the file without triggering the autocommands defined by the | |
1741 gzip plugin. | |
1742 | |
16023 | 1743 Note that some autocommands are not triggered right away, but only later. |
1744 This specifically applies to |CursorMoved| and |TextChanged|. | |
1745 | |
40 | 1746 |
14421 | 1747 vim:tw=78:ts=8:noet:ft=help:norl: |