Mercurial > vim
annotate runtime/doc/autocmd.txt @ 15290:424f2596f582 v8.1.0653
patch 8.1.0653: arglist test fails on MS-windows
commit https://github.com/vim/vim/commit/3de8c2d1f027410db6a06f0fcd3355d96c8b8596
Author: Bram Moolenaar <Bram@vim.org>
Date: Fri Dec 28 19:29:35 2018 +0100
patch 8.1.0653: arglist test fails on MS-windows
Problem: Arglist test fails on MS-windows.
Solution: Only use a file name with a double quote on Unix.
author | Bram Moolenaar <Bram@vim.org> |
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date | Fri, 28 Dec 2018 19:30:06 +0100 |
parents | 405309f9dd13 |
children | 9d3d7b0f4861 |
rev | line source |
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13963 | 1 *autocmd.txt* For Vim version 8.1. Last change: 2018 May 03 |
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 {Vi does not have any of these commands} | |
24 | |
25 ============================================================================== | |
26 1. Introduction *autocmd-intro* | |
27 | |
22 | 28 You can specify commands to be executed automatically when reading or writing |
29 a file, when entering or leaving a buffer or window, and when exiting Vim. | |
30 For example, you can create an autocommand to set the 'cindent' option for | |
31 files matching *.c. You can also use autocommands to implement advanced | |
7 | 32 features, such as editing compressed files (see |gzip-example|). The usual |
33 place to put autocommands is in your .vimrc or .exrc file. | |
34 | |
13231 | 35 *E203* *E204* *E143* *E855* *E937* *E952* |
7 | 36 WARNING: Using autocommands is very powerful, and may lead to unexpected side |
37 effects. Be careful not to destroy your text. | |
38 - It's a good idea to do some testing on an expendable copy of a file first. | |
39 For example: If you use autocommands to decompress a file when starting to | |
40 edit it, make sure that the autocommands for compressing when writing work | |
41 correctly. | |
42 - Be prepared for an error halfway through (e.g., disk full). Vim will mostly | |
43 be able to undo the changes to the buffer, but you may have to clean up the | |
44 changes to other files by hand (e.g., compress a file that has been | |
45 decompressed). | |
46 - If the BufRead* events allow you to edit a compressed file, the FileRead* | |
47 events should do the same (this makes recovery possible in some rare cases). | |
48 It's a good idea to use the same autocommands for the File* and Buf* events | |
49 when possible. | |
50 | |
51 ============================================================================== | |
52 2. Defining autocommands *autocmd-define* | |
53 | |
54 *:au* *:autocmd* | |
55 :au[tocmd] [group] {event} {pat} [nested] {cmd} | |
56 Add {cmd} to the list of commands that Vim will | |
57 execute automatically on {event} for a file matching | |
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58 {pat} |autocmd-patterns|. |
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59 Note: A quote character is seen as argument to the |
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60 :autocmd and won't start a comment. |
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61 Vim always adds the {cmd} after existing autocommands, |
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62 so that the autocommands execute in the order in which |
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63 they were given. See |autocmd-nested| for [nested]. |
7 | 64 |
40 | 65 The special pattern <buffer> or <buffer=N> defines a buffer-local autocommand. |
66 See |autocmd-buflocal|. | |
67 | |
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68 Note: The ":autocmd" command can only be followed by another command when the |
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69 '|' appears before {cmd}. This works: > |
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70 :augroup mine | au! BufRead | augroup END |
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71 But this sees "augroup" as part of the defined command: > |
12785 | 72 :augroup mine | au! BufRead * | augroup END |
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73 :augroup mine | au BufRead * set tw=70 | augroup END |
12785 | 74 Instead you can put the group name into the command: > |
75 :au! mine BufRead * | |
76 :au mine BufRead * set tw=70 | |
77 Or use `:execute`: > | |
78 :augroup mine | exe "au! BufRead *" | augroup END | |
79 :augroup mine | exe "au BufRead * set tw=70" | augroup END | |
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80 |
7 | 81 Note that special characters (e.g., "%", "<cword>") in the ":autocmd" |
82 arguments are not expanded when the autocommand is defined. These will be | |
83 expanded when the Event is recognized, and the {cmd} is executed. The only | |
84 exception is that "<sfile>" is expanded when the autocmd is defined. Example: | |
85 > | |
86 :au BufNewFile,BufRead *.html so <sfile>:h/html.vim | |
87 | |
88 Here Vim expands <sfile> to the name of the file containing this line. | |
89 | |
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90 `:autocmd` adds to the list of autocommands regardless of whether they are |
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91 already present. When your .vimrc file is sourced twice, the autocommands |
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92 will appear twice. To avoid this, define your autocommands in a group, so |
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93 that you can easily clear them: > |
7 | 94 |
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95 augroup vimrc |
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96 " Remove all vimrc autocommands |
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97 autocmd! |
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98 au BufNewFile,BufRead *.html so <sfile>:h/html.vim |
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99 augroup END |
7 | 100 |
101 If you don't want to remove all autocommands, you can instead use a variable | |
102 to ensure that Vim includes the autocommands only once: > | |
103 | |
104 :if !exists("autocommands_loaded") | |
105 : let autocommands_loaded = 1 | |
106 : au ... | |
107 :endif | |
108 | |
109 When the [group] argument is not given, Vim uses the current group (as defined | |
110 with ":augroup"); otherwise, Vim uses the group defined with [group]. Note | |
111 that [group] must have been defined before. You cannot define a new group | |
112 with ":au group ..."; use ":augroup" for that. | |
113 | |
114 While testing autocommands, you might find the 'verbose' option to be useful: > | |
115 :set verbose=9 | |
116 This setting makes Vim echo the autocommands as it executes them. | |
117 | |
118 When defining an autocommand in a script, it will be able to call functions | |
119 local to the script and use mappings local to the script. When the event is | |
120 triggered and the command executed, it will run in the context of the script | |
121 it was defined in. This matters if |<SID>| is used in a command. | |
122 | |
1621 | 123 When executing the commands, the message from one command overwrites a |
7 | 124 previous message. This is different from when executing the commands |
125 manually. Mostly the screen will not scroll up, thus there is no hit-enter | |
126 prompt. When one command outputs two messages this can happen anyway. | |
127 | |
128 ============================================================================== | |
129 3. Removing autocommands *autocmd-remove* | |
130 | |
131 :au[tocmd]! [group] {event} {pat} [nested] {cmd} | |
132 Remove all autocommands associated with {event} and | |
133 {pat}, and add the command {cmd}. See | |
134 |autocmd-nested| for [nested]. | |
135 | |
136 :au[tocmd]! [group] {event} {pat} | |
137 Remove all autocommands associated with {event} and | |
138 {pat}. | |
139 | |
140 :au[tocmd]! [group] * {pat} | |
141 Remove all autocommands associated with {pat} for all | |
142 events. | |
143 | |
144 :au[tocmd]! [group] {event} | |
145 Remove ALL autocommands for {event}. | |
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146 Warning: You should not do this without a group for |
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147 |BufRead| and other common events, it can break |
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148 plugins, syntax highlighting, etc. |
7 | 149 |
150 :au[tocmd]! [group] Remove ALL autocommands. | |
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151 Note: a quote will be seen as argument to the :autocmd |
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152 and won't start a comment. |
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153 Warning: You should normally not do this without a |
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154 group, it breaks plugins, syntax highlighting, etc. |
7 | 155 |
156 When the [group] argument is not given, Vim uses the current group (as defined | |
157 with ":augroup"); otherwise, Vim uses the group defined with [group]. | |
158 | |
159 ============================================================================== | |
160 4. Listing autocommands *autocmd-list* | |
161 | |
162 :au[tocmd] [group] {event} {pat} | |
163 Show the autocommands associated with {event} and | |
164 {pat}. | |
165 | |
166 :au[tocmd] [group] * {pat} | |
167 Show the autocommands associated with {pat} for all | |
168 events. | |
169 | |
170 :au[tocmd] [group] {event} | |
171 Show all autocommands for {event}. | |
172 | |
173 :au[tocmd] [group] Show all autocommands. | |
174 | |
175 If you provide the [group] argument, Vim lists only the autocommands for | |
176 [group]; otherwise, Vim lists the autocommands for ALL groups. Note that this | |
177 argument behavior differs from that for defining and removing autocommands. | |
178 | |
40 | 179 In order to list buffer-local autocommands, use a pattern in the form <buffer> |
180 or <buffer=N>. See |autocmd-buflocal|. | |
181 | |
500 | 182 *:autocmd-verbose* |
183 When 'verbose' is non-zero, listing an autocommand will also display where it | |
184 was last defined. Example: > | |
185 | |
186 :verbose autocmd BufEnter | |
187 FileExplorer BufEnter | |
856 | 188 * call s:LocalBrowse(expand("<amatch>")) |
500 | 189 Last set from /usr/share/vim/vim-7.0/plugin/NetrwPlugin.vim |
190 < | |
191 See |:verbose-cmd| for more information. | |
192 | |
7 | 193 ============================================================================== |
194 5. Events *autocmd-events* *E215* *E216* | |
195 | |
579 | 196 You can specify a comma-separated list of event names. No white space can be |
197 used in this list. The command applies to all the events in the list. | |
198 | |
199 For READING FILES there are four kinds of events possible: | |
200 BufNewFile starting to edit a non-existent file | |
201 BufReadPre BufReadPost starting to edit an existing file | |
202 FilterReadPre FilterReadPost read the temp file with filter output | |
203 FileReadPre FileReadPost any other file read | |
204 Vim uses only one of these four kinds when reading a file. The "Pre" and | |
205 "Post" events are both triggered, before and after reading the file. | |
206 | |
207 Note that the autocommands for the *ReadPre events and all the Filter events | |
208 are not allowed to change the current buffer (you will get an error message if | |
209 this happens). This is to prevent the file to be read into the wrong buffer. | |
210 | |
211 Note that the 'modified' flag is reset AFTER executing the BufReadPost | |
212 and BufNewFile autocommands. But when the 'modified' option was set by the | |
213 autocommands, this doesn't happen. | |
214 | |
215 You can use the 'eventignore' option to ignore a number of events or all | |
216 events. | |
7 | 217 *autocommand-events* *{event}* |
218 Vim recognizes the following events. Vim ignores the case of event names | |
219 (e.g., you can use "BUFread" or "bufread" instead of "BufRead"). | |
220 | |
579 | 221 First an overview by function with a short explanation. Then the list |
843 | 222 alphabetically with full explanations |autocmd-events-abc|. |
579 | 223 |
224 Name triggered by ~ | |
225 | |
226 Reading | |
227 |BufNewFile| starting to edit a file that doesn't exist | |
228 |BufReadPre| starting to edit a new buffer, before reading the file | |
229 |BufRead| starting to edit a new buffer, after reading the file | |
230 |BufReadPost| starting to edit a new buffer, after reading the file | |
231 |BufReadCmd| before starting to edit a new buffer |Cmd-event| | |
232 | |
233 |FileReadPre| before reading a file with a ":read" command | |
234 |FileReadPost| after reading a file with a ":read" command | |
843 | 235 |FileReadCmd| before reading a file with a ":read" command |Cmd-event| |
579 | 236 |
237 |FilterReadPre| before reading a file from a filter command | |
238 |FilterReadPost| after reading a file from a filter command | |
239 | |
240 |StdinReadPre| before reading from stdin into the buffer | |
241 |StdinReadPost| After reading from the stdin into the buffer | |
242 | |
243 Writing | |
244 |BufWrite| starting to write the whole buffer to a file | |
245 |BufWritePre| starting to write the whole buffer to a file | |
246 |BufWritePost| after writing the whole buffer to a file | |
247 |BufWriteCmd| before writing the whole buffer to a file |Cmd-event| | |
248 | |
249 |FileWritePre| starting to write part of a buffer to a file | |
250 |FileWritePost| after writing part of a buffer to a file | |
251 |FileWriteCmd| before writing part of a buffer to a file |Cmd-event| | |
252 | |
253 |FileAppendPre| starting to append to a file | |
254 |FileAppendPost| after appending to a file | |
255 |FileAppendCmd| before appending to a file |Cmd-event| | |
256 | |
257 |FilterWritePre| starting to write a file for a filter command or diff | |
258 |FilterWritePost| after writing a file for a filter command or diff | |
259 | |
260 Buffers | |
261 |BufAdd| just after adding a buffer to the buffer list | |
262 |BufCreate| just after adding a buffer to the buffer list | |
263 |BufDelete| before deleting a buffer from the buffer list | |
264 |BufWipeout| before completely deleting a buffer | |
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265 |TerminalOpen| after a terminal buffer was created |
579 | 266 |
267 |BufFilePre| before changing the name of the current buffer | |
268 |BufFilePost| after changing the name of the current buffer | |
269 | |
270 |BufEnter| after entering a buffer | |
271 |BufLeave| before leaving to another buffer | |
272 |BufWinEnter| after a buffer is displayed in a window | |
273 |BufWinLeave| before a buffer is removed from a window | |
274 | |
275 |BufUnload| before unloading a buffer | |
276 |BufHidden| just after a buffer has become hidden | |
277 |BufNew| just after creating a new buffer | |
278 | |
279 |SwapExists| detected an existing swap file | |
280 | |
281 Options | |
282 |FileType| when the 'filetype' option has been set | |
283 |Syntax| when the 'syntax' option has been set | |
284 |EncodingChanged| after the 'encoding' option has been changed | |
285 |TermChanged| after the value of 'term' has changed | |
6935 | 286 |OptionSet| after setting any option |
579 | 287 |
288 Startup and exit | |
289 |VimEnter| after doing all the startup stuff | |
290 |GUIEnter| after starting the GUI successfully | |
3830 | 291 |GUIFailed| after starting the GUI failed |
1154 | 292 |TermResponse| after the terminal response to |t_RV| is received |
579 | 293 |
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294 |QuitPre| when using `:quit`, before deciding whether to exit |
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295 |ExitPre| when using a command that may make Vim exit |
579 | 296 |VimLeavePre| before exiting Vim, before writing the viminfo file |
297 |VimLeave| before exiting Vim, after writing the viminfo file | |
298 | |
299 Various | |
300 |FileChangedShell| Vim notices that a file changed since editing started | |
766 | 301 |FileChangedShellPost| After handling a file changed since editing started |
579 | 302 |FileChangedRO| before making the first change to a read-only file |
303 | |
14945 | 304 |DiffUpdated| after diffs have been updated |
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305 |DirChanged| after the working directory has changed |
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306 |
724 | 307 |ShellCmdPost| after executing a shell command |
308 |ShellFilterPost| after filtering with a shell command | |
309 | |
6154 | 310 |CmdUndefined| a user command is used but it isn't defined |
579 | 311 |FuncUndefined| a user function is used but it isn't defined |
650 | 312 |SpellFileMissing| a spell file is used but it can't be found |
716 | 313 |SourcePre| before sourcing a Vim script |
1061 | 314 |SourceCmd| before sourcing a Vim script |Cmd-event| |
579 | 315 |
766 | 316 |VimResized| after the Vim window size changed |
579 | 317 |FocusGained| Vim got input focus |
318 |FocusLost| Vim lost input focus | |
319 |CursorHold| the user doesn't press a key for a while | |
661 | 320 |CursorHoldI| the user doesn't press a key for a while in Insert mode |
321 |CursorMoved| the cursor was moved in Normal mode | |
322 |CursorMovedI| the cursor was moved in Insert mode | |
579 | 323 |
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324 |WinNew| after creating a new window |
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325 |TabNew| after creating a new tab page |
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326 |TabClosed| after closing a tab page |
579 | 327 |WinEnter| after entering another window |
328 |WinLeave| before leaving a window | |
677 | 329 |TabEnter| after entering another tab page |
330 |TabLeave| before leaving a tab page | |
579 | 331 |CmdwinEnter| after entering the command-line window |
332 |CmdwinLeave| before leaving the command-line window | |
333 | |
13437 | 334 |CmdlineChanged| after a change was made to the command-line text |
335 |CmdlineEnter| after the cursor moves to the command line | |
336 |CmdlineLeave| before the cursor leaves the command line | |
337 | |
579 | 338 |InsertEnter| starting Insert mode |
339 |InsertChange| when typing <Insert> while in Insert or Replace mode | |
340 |InsertLeave| when leaving Insert mode | |
2845 | 341 |InsertCharPre| when a character was typed in Insert mode, before |
342 inserting it | |
579 | 343 |
5555 | 344 |TextChanged| after a change was made to the text in Normal mode |
345 |TextChangedI| after a change was made to the text in Insert mode | |
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346 when popup menu is not visible |
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347 |TextChangedP| after a change was made to the text in Insert mode |
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348 when popup menu visible |
14347 | 349 |TextYankPost| after text has been yanked or deleted |
5555 | 350 |
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351 |ColorSchemePre| before loading a color scheme |
579 | 352 |ColorScheme| after loading a color scheme |
353 | |
354 |RemoteReply| a reply from a server Vim was received | |
355 | |
356 |QuickFixCmdPre| before a quickfix command is run | |
357 |QuickFixCmdPost| after a quickfix command is run | |
358 | |
359 |SessionLoadPost| after loading a session file | |
360 | |
361 |MenuPopup| just before showing the popup menu | |
3830 | 362 |CompleteDone| after Insert mode completion is done |
579 | 363 |
364 |User| to be used in combination with ":doautocmd" | |
365 | |
366 | |
367 The alphabetical list of autocommand events: *autocmd-events-abc* | |
368 | |
369 *BufCreate* *BufAdd* | |
370 BufAdd or BufCreate Just after creating a new buffer which is | |
371 added to the buffer list, or adding a buffer | |
372 to the buffer list. | |
373 Also used just after a buffer in the buffer | |
374 list has been renamed. | |
375 The BufCreate event is for historic reasons. | |
376 NOTE: When this autocommand is executed, the | |
377 current buffer "%" may be different from the | |
378 buffer being created "<afile>". | |
379 *BufDelete* | |
380 BufDelete Before deleting a buffer from the buffer list. | |
381 The BufUnload may be called first (if the | |
382 buffer was loaded). | |
383 Also used just before a buffer in the buffer | |
384 list is renamed. | |
385 NOTE: When this autocommand is executed, the | |
386 current buffer "%" may be different from the | |
1621 | 387 buffer being deleted "<afile>" and "<abuf>". |
1919 | 388 Don't change to another buffer, it will cause |
389 problems. | |
579 | 390 *BufEnter* |
391 BufEnter After entering a buffer. Useful for setting | |
392 options for a file type. Also executed when | |
393 starting to edit a buffer, after the | |
394 BufReadPost autocommands. | |
395 *BufFilePost* | |
396 BufFilePost After changing the name of the current buffer | |
397 with the ":file" or ":saveas" command. | |
625 | 398 *BufFilePre* |
579 | 399 BufFilePre Before changing the name of the current buffer |
400 with the ":file" or ":saveas" command. | |
401 *BufHidden* | |
402 BufHidden Just after a buffer has become hidden. That | |
403 is, when there are no longer windows that show | |
404 the buffer, but the buffer is not unloaded or | |
405 deleted. Not used for ":qa" or ":q" when | |
406 exiting Vim. | |
407 NOTE: When this autocommand is executed, the | |
408 current buffer "%" may be different from the | |
409 buffer being unloaded "<afile>". | |
410 *BufLeave* | |
411 BufLeave Before leaving to another buffer. Also when | |
412 leaving or closing the current window and the | |
413 new current window is not for the same buffer. | |
414 Not used for ":qa" or ":q" when exiting Vim. | |
415 *BufNew* | |
416 BufNew Just after creating a new buffer. Also used | |
417 just after a buffer has been renamed. When | |
418 the buffer is added to the buffer list BufAdd | |
419 will be triggered too. | |
420 NOTE: When this autocommand is executed, the | |
421 current buffer "%" may be different from the | |
422 buffer being created "<afile>". | |
7 | 423 *BufNewFile* |
424 BufNewFile When starting to edit a file that doesn't | |
425 exist. Can be used to read in a skeleton | |
426 file. | |
427 *BufRead* *BufReadPost* | |
428 BufRead or BufReadPost When starting to edit a new buffer, after | |
429 reading the file into the buffer, before | |
430 executing the modelines. See |BufWinEnter| | |
431 for when you need to do something after | |
432 processing the modelines. | |
433 This does NOT work for ":r file". Not used | |
434 when the file doesn't exist. Also used after | |
435 successfully recovering a file. | |
3682 | 436 Also triggered for the filetypedetect group |
437 when executing ":filetype detect" and when | |
438 writing an unnamed buffer in a way that the | |
439 buffer gets a name. | |
625 | 440 *BufReadCmd* |
7 | 441 BufReadCmd Before starting to edit a new buffer. Should |
442 read the file into the buffer. |Cmd-event| | |
625 | 443 *BufReadPre* *E200* *E201* |
579 | 444 BufReadPre When starting to edit a new buffer, before |
445 reading the file into the buffer. Not used | |
446 if the file doesn't exist. | |
447 *BufUnload* | |
448 BufUnload Before unloading a buffer. This is when the | |
449 text in the buffer is going to be freed. This | |
450 may be after a BufWritePost and before a | |
451 BufDelete. Also used for all buffers that are | |
452 loaded when Vim is going to exit. | |
453 NOTE: When this autocommand is executed, the | |
454 current buffer "%" may be different from the | |
455 buffer being unloaded "<afile>". | |
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456 Don't change to another buffer or window, it |
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457 will cause problems! |
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458 When exiting and v:dying is 2 or more this |
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459 event is not triggered. |
579 | 460 *BufWinEnter* |
461 BufWinEnter After a buffer is displayed in a window. This | |
462 can be when the buffer is loaded (after | |
1621 | 463 processing the modelines) or when a hidden |
579 | 464 buffer is displayed in a window (and is no |
1621 | 465 longer hidden). |
466 Does not happen for |:split| without | |
467 arguments, since you keep editing the same | |
468 buffer, or ":split" with a file that's already | |
1668 | 469 open in a window, because it re-uses an |
470 existing buffer. But it does happen for a | |
471 ":split" with the name of the current buffer, | |
472 since it reloads that buffer. | |
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473 Does not happen for a terminal window, because |
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474 it starts in Terminal-Job mode and Normal mode |
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475 commands won't work. Use |TerminalOpen| instead. |
579 | 476 *BufWinLeave* |
477 BufWinLeave Before a buffer is removed from a window. | |
478 Not when it's still visible in another window. | |
479 Also triggered when exiting. It's triggered | |
480 before BufUnload or BufHidden. | |
481 NOTE: When this autocommand is executed, the | |
482 current buffer "%" may be different from the | |
483 buffer being unloaded "<afile>". | |
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484 When exiting and v:dying is 2 or more this |
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485 event is not triggered. |
579 | 486 *BufWipeout* |
487 BufWipeout Before completely deleting a buffer. The | |
488 BufUnload and BufDelete events may be called | |
489 first (if the buffer was loaded and was in the | |
490 buffer list). Also used just before a buffer | |
491 is renamed (also when it's not in the buffer | |
492 list). | |
493 NOTE: When this autocommand is executed, the | |
494 current buffer "%" may be different from the | |
495 buffer being deleted "<afile>". | |
1919 | 496 Don't change to another buffer, it will cause |
497 problems. | |
7 | 498 *BufWrite* *BufWritePre* |
499 BufWrite or BufWritePre Before writing the whole buffer to a file. | |
500 *BufWriteCmd* | |
501 BufWriteCmd Before writing the whole buffer to a file. | |
502 Should do the writing of the file and reset | |
39 | 503 'modified' if successful, unless '+' is in |
504 'cpo' and writing to another file |cpo-+|. | |
505 The buffer contents should not be changed. | |
3082 | 506 When the command resets 'modified' the undo |
507 information is adjusted to mark older undo | |
508 states as 'modified', like |:write| does. | |
39 | 509 |Cmd-event| |
579 | 510 *BufWritePost* |
511 BufWritePost After writing the whole buffer to a file | |
512 (should undo the commands for BufWritePre). | |
6154 | 513 *CmdUndefined* |
514 CmdUndefined When a user command is used but it isn't | |
515 defined. Useful for defining a command only | |
516 when it's used. The pattern is matched | |
517 against the command name. Both <amatch> and | |
518 <afile> are set to the name of the command. | |
519 NOTE: Autocompletion won't work until the | |
520 command is defined. An alternative is to | |
521 always define the user command and have it | |
522 invoke an autoloaded function. See |autoload|. | |
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523 *CmdlineChanged* |
13437 | 524 CmdlineChanged After a change was made to the text in the |
525 command line. Be careful not to mess up | |
526 the command line, it may cause Vim to lock up. | |
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527 <afile> is set to a single character, |
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528 indicating the type of command-line. |
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529 |cmdwin-char| |
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530 *CmdlineEnter* |
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531 CmdlineEnter After moving the cursor to the command line, |
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532 where the user can type a command or search |
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533 string. |
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534 <afile> is set to a single character, |
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535 indicating the type of command-line. |
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536 |cmdwin-char| |
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537 *CmdlineLeave* |
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538 CmdlineLeave Before leaving the command line. |
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539 Also when abandoning the command line, after |
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540 typing CTRL-C or <Esc>. |
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541 When the commands result in an error the |
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542 command line is still executed. |
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543 <afile> is set to a single character, |
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544 indicating the type of command-line. |
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545 |cmdwin-char| |
579 | 546 *CmdwinEnter* |
547 CmdwinEnter After entering the command-line window. | |
548 Useful for setting options specifically for | |
549 this special type of window. This is | |
550 triggered _instead_ of BufEnter and WinEnter. | |
551 <afile> is set to a single character, | |
552 indicating the type of command-line. | |
553 |cmdwin-char| | |
554 *CmdwinLeave* | |
555 CmdwinLeave Before leaving the command-line window. | |
556 Useful to clean up any global setting done | |
557 with CmdwinEnter. This is triggered _instead_ | |
558 of BufLeave and WinLeave. | |
559 <afile> is set to a single character, | |
560 indicating the type of command-line. | |
561 |cmdwin-char| | |
562 *ColorScheme* | |
563 ColorScheme After loading a color scheme. |:colorscheme| | |
5521 | 564 The pattern is matched against the |
565 colorscheme name. <afile> can be used for the | |
566 name of the actual file where this option was | |
567 set, and <amatch> for the new colorscheme | |
568 name. | |
569 | |
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570 *ColorSchemePre* |
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571 ColorSchemePre Before loading a color scheme. |:colorscheme| |
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572 Useful to setup removing things added by a |
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573 color scheme, before another one is loaded. |
661 | 574 |
3682 | 575 *CompleteDone* |
576 CompleteDone After Insert mode completion is done. Either | |
577 when something was completed or abandoning | |
578 completion. |ins-completion| | |
6909 | 579 The |v:completed_item| variable contains |
580 information about the completed item. | |
3682 | 581 |
579 | 582 *CursorHold* |
583 CursorHold When the user doesn't press a key for the time | |
584 specified with 'updatetime'. Not re-triggered | |
585 until the user has pressed a key (i.e. doesn't | |
586 fire every 'updatetime' ms if you leave Vim to | |
587 make some coffee. :) See |CursorHold-example| | |
588 for previewing tags. | |
589 This event is only triggered in Normal mode. | |
1154 | 590 It is not triggered when waiting for a command |
591 argument to be typed, or a movement after an | |
592 operator. | |
610 | 593 While recording the CursorHold event is not |
594 triggered. |q| | |
6259 | 595 *<CursorHold>* |
596 Internally the autocommand is triggered by the | |
597 <CursorHold> key. In an expression mapping | |
598 |getchar()| may see this character. | |
599 | |
579 | 600 Note: Interactive commands cannot be used for |
601 this event. There is no hit-enter prompt, | |
602 the screen is updated directly (when needed). | |
603 Note: In the future there will probably be | |
604 another option to set the time. | |
605 Hint: to force an update of the status lines | |
606 use: > | |
607 :let &ro = &ro | |
608 < {only on Amiga, Unix, Win32, MSDOS and all GUI | |
609 versions} | |
661 | 610 *CursorHoldI* |
611 CursorHoldI Just like CursorHold, but in Insert mode. | |
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612 Not triggered when waiting for another key, |
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613 e.g. after CTRL-V, and not when in CTRL-X mode |
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614 |insert_expand|. |
661 | 615 |
616 *CursorMoved* | |
4911 | 617 CursorMoved After the cursor was moved in Normal or Visual |
618 mode. Also when the text of the cursor line | |
619 has been changed, e.g., with "x", "rx" or "p". | |
661 | 620 Not triggered when there is typeahead or when |
621 an operator is pending. | |
667 | 622 For an example see |match-parens|. |
4264 | 623 Careful: This is triggered very often, don't |
624 do anything that the user does not expect or | |
625 that is slow. | |
661 | 626 *CursorMovedI* |
627 CursorMovedI After the cursor was moved in Insert mode. | |
3082 | 628 Not triggered when the popup menu is visible. |
661 | 629 Otherwise the same as CursorMoved. |
579 | 630 *EncodingChanged* |
631 EncodingChanged Fires off after the 'encoding' option has been | |
632 changed. Useful to set up fonts, for example. | |
7 | 633 *FileAppendCmd* |
634 FileAppendCmd Before appending to a file. Should do the | |
26 | 635 appending to the file. Use the '[ and '] |
636 marks for the range of lines.|Cmd-event| | |
579 | 637 *FileAppendPost* |
638 FileAppendPost After appending to a file. | |
639 *FileAppendPre* | |
640 FileAppendPre Before appending to a file. Use the '[ and '] | |
641 marks for the range of lines. | |
642 *FileChangedRO* | |
643 FileChangedRO Before making the first change to a read-only | |
644 file. Can be used to check-out the file from | |
645 a source control system. Not triggered when | |
646 the change was caused by an autocommand. | |
647 This event is triggered when making the first | |
648 change in a buffer or the first change after | |
823 | 649 'readonly' was set, just before the change is |
650 applied to the text. | |
579 | 651 WARNING: If the autocommand moves the cursor |
652 the effect of the change is undefined. | |
819 | 653 *E788* |
654 It is not allowed to change to another buffer | |
655 here. You can reload the buffer but not edit | |
656 another one. | |
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657 *E881* |
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658 If the number of lines changes saving for undo |
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659 may fail and the change will be aborted. |
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660 *DiffUpdated* |
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661 DiffUpdated After diffs have been updated. Depending on |
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662 what kind of diff is being used (internal or |
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663 external) this can be triggered on every |
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664 change or when doing |:diffupdate|. |
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665 *DirChanged* |
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666 DirChanged The working directory has changed in response |
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667 to the |:cd| or |:lcd| commands, or as a |
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668 result of the 'autochdir' option. |
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669 The pattern can be: |
14519 | 670 "window" to trigger on `:lcd` |
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671 "global" to trigger on `:cd` |
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672 "auto" to trigger on 'autochdir'. |
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673 "drop" to trigger on editing a file |
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674 <afile> is set to the new directory name. |
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675 *ExitPre* |
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676 ExitPre When using `:quit`, `:wq` in a way it makes |
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677 Vim exit, or using `:qall`, just after |
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678 |QuitPre|. Can be used to close any |
14123 | 679 non-essential window. Exiting may still be |
680 cancelled if there is a modified buffer that | |
681 isn't automatically saved, use |VimLeavePre| | |
682 for really exiting. | |
7 | 683 *FileChangedShell* |
684 FileChangedShell When Vim notices that the modification time of | |
685 a file has changed since editing started. | |
686 Also when the file attributes of the file | |
5908 | 687 change or when the size of the file changes. |
688 |timestamp| | |
7 | 689 Mostly triggered after executing a shell |
690 command, but also with a |:checktime| command | |
11473 | 691 or when gvim regains input focus. |
7 | 692 This autocommand is triggered for each changed |
693 file. It is not used when 'autoread' is set | |
694 and the buffer was not changed. If a | |
695 FileChangedShell autocommand is present the | |
696 warning message and prompt is not given. | |
179 | 697 The |v:fcs_reason| variable is set to indicate |
698 what happened and |v:fcs_choice| can be used | |
699 to tell Vim what to do next. | |
7 | 700 NOTE: When this autocommand is executed, the |
701 current buffer "%" may be different from the | |
11347 | 702 buffer that was changed, which is in "<afile>". |
7 | 703 NOTE: The commands must not change the current |
704 buffer, jump to another buffer or delete a | |
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705 buffer. *E246* *E811* |
7 | 706 NOTE: This event never nests, to avoid an |
707 endless loop. This means that while executing | |
708 commands for the FileChangedShell event no | |
709 other FileChangedShell event will be | |
710 triggered. | |
766 | 711 *FileChangedShellPost* |
712 FileChangedShellPost After handling a file that was changed outside | |
713 of Vim. Can be used to update the statusline. | |
579 | 714 *FileEncoding* |
715 FileEncoding Obsolete. It still works and is equivalent | |
716 to |EncodingChanged|. | |
717 *FileReadCmd* | |
718 FileReadCmd Before reading a file with a ":read" command. | |
719 Should do the reading of the file. |Cmd-event| | |
720 *FileReadPost* | |
721 FileReadPost After reading a file with a ":read" command. | |
722 Note that Vim sets the '[ and '] marks to the | |
723 first and last line of the read. This can be | |
724 used to operate on the lines just read. | |
725 *FileReadPre* | |
726 FileReadPre Before reading a file with a ":read" command. | |
727 *FileType* | |
1154 | 728 FileType When the 'filetype' option has been set. The |
729 pattern is matched against the filetype. | |
579 | 730 <afile> can be used for the name of the file |
731 where this option was set, and <amatch> for | |
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732 the new value of 'filetype'. Navigating to |
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733 another window or buffer is not allowed. |
579 | 734 See |filetypes|. |
735 *FileWriteCmd* | |
736 FileWriteCmd Before writing to a file, when not writing the | |
737 whole buffer. Should do the writing to the | |
738 file. Should not change the buffer. Use the | |
739 '[ and '] marks for the range of lines. | |
740 |Cmd-event| | |
741 *FileWritePost* | |
742 FileWritePost After writing to a file, when not writing the | |
743 whole buffer. | |
744 *FileWritePre* | |
745 FileWritePre Before writing to a file, when not writing the | |
746 whole buffer. Use the '[ and '] marks for the | |
747 range of lines. | |
748 *FilterReadPost* | |
749 FilterReadPost After reading a file from a filter command. | |
750 Vim checks the pattern against the name of | |
751 the current buffer as with FilterReadPre. | |
752 Not triggered when 'shelltemp' is off. | |
753 *FilterReadPre* *E135* | |
754 FilterReadPre Before reading a file from a filter command. | |
755 Vim checks the pattern against the name of | |
756 the current buffer, not the name of the | |
757 temporary file that is the output of the | |
758 filter command. | |
759 Not triggered when 'shelltemp' is off. | |
760 *FilterWritePost* | |
761 FilterWritePost After writing a file for a filter command or | |
762 making a diff. | |
763 Vim checks the pattern against the name of | |
764 the current buffer as with FilterWritePre. | |
765 Not triggered when 'shelltemp' is off. | |
766 *FilterWritePre* | |
767 FilterWritePre Before writing a file for a filter command or | |
768 making a diff. | |
769 Vim checks the pattern against the name of | |
770 the current buffer, not the name of the | |
771 temporary file that is the output of the | |
772 filter command. | |
773 Not triggered when 'shelltemp' is off. | |
7 | 774 *FocusGained* |
775 FocusGained When Vim got input focus. Only for the GUI | |
776 version and a few console versions where this | |
777 can be detected. | |
778 *FocusLost* | |
779 FocusLost When Vim lost input focus. Only for the GUI | |
780 version and a few console versions where this | |
11 | 781 can be detected. May also happen when a |
782 dialog pops up. | |
7 | 783 *FuncUndefined* |
784 FuncUndefined When a user function is used but it isn't | |
785 defined. Useful for defining a function only | |
1154 | 786 when it's used. The pattern is matched |
787 against the function name. Both <amatch> and | |
788 <afile> are set to the name of the function. | |
6154 | 789 NOTE: When writing Vim scripts a better |
790 alternative is to use an autoloaded function. | |
161 | 791 See |autoload-functions|. |
579 | 792 *GUIEnter* |
793 GUIEnter After starting the GUI successfully, and after | |
794 opening the window. It is triggered before | |
795 VimEnter when using gvim. Can be used to | |
796 position the window from a .gvimrc file: > | |
797 :autocmd GUIEnter * winpos 100 50 | |
1154 | 798 < *GUIFailed* |
799 GUIFailed After starting the GUI failed. Vim may | |
800 continue to run in the terminal, if possible | |
801 (only on Unix and alikes, when connecting the | |
802 X server fails). You may want to quit Vim: > | |
803 :autocmd GUIFailed * qall | |
579 | 804 < *InsertChange* |
805 InsertChange When typing <Insert> while in Insert or | |
806 Replace mode. The |v:insertmode| variable | |
807 indicates the new mode. | |
808 Be careful not to move the cursor or do | |
809 anything else that the user does not expect. | |
2845 | 810 *InsertCharPre* |
811 InsertCharPre When a character is typed in Insert mode, | |
812 before inserting the char. | |
813 The |v:char| variable indicates the char typed | |
814 and can be changed during the event to insert | |
815 a different character. When |v:char| is set | |
816 to more than one character this text is | |
817 inserted literally. | |
818 It is not allowed to change the text |textlock|. | |
819 The event is not triggered when 'paste' is | |
13437 | 820 set. {only with the +eval feature} |
579 | 821 *InsertEnter* |
1154 | 822 InsertEnter Just before starting Insert mode. Also for |
823 Replace mode and Virtual Replace mode. The | |
579 | 824 |v:insertmode| variable indicates the mode. |
4448 | 825 Be careful not to do anything else that the |
826 user does not expect. | |
827 The cursor is restored afterwards. If you do | |
828 not want that set |v:char| to a non-empty | |
829 string. | |
579 | 830 *InsertLeave* |
831 InsertLeave When leaving Insert mode. Also when using | |
832 CTRL-O |i_CTRL-O|. But not for |i_CTRL-C|. | |
833 *MenuPopup* | |
834 MenuPopup Just before showing the popup menu (under the | |
835 right mouse button). Useful for adjusting the | |
836 menu for what is under the cursor or mouse | |
837 pointer. | |
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838 The pattern is matched against one or two |
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839 characters representing the mode: |
579 | 840 n Normal |
841 v Visual | |
842 o Operator-pending | |
843 i Insert | |
843 | 844 c Command line |
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845 tl Terminal |
6935 | 846 *OptionSet* |
847 OptionSet After setting an option. The pattern is | |
848 matched against the long option name. | |
849 The |v:option_old| variable indicates the | |
850 old option value, |v:option_new| variable | |
851 indicates the newly set value, the | |
852 |v:option_type| variable indicates whether | |
853 it's global or local scoped and |<amatch>| | |
854 indicates what option has been set. | |
855 | |
856 Is not triggered on startup and for the 'key' | |
857 option for obvious reasons. | |
858 | |
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859 Usage example: Check for the existence of the |
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860 directory in the 'backupdir' and 'undodir' |
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861 options, create the directory if it doesn't |
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862 exist yet. |
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863 |
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864 Note: It's a bad idea to reset an option |
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865 during this autocommand, this may break a |
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866 plugin. You can always use `:noa` to prevent |
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867 triggering this autocommand. |
6935 | 868 |
14864 | 869 When using |:set| in the autocommand the event |
870 is not triggered again. | |
871 | |
579 | 872 *QuickFixCmdPre* |
873 QuickFixCmdPre Before a quickfix command is run (|:make|, | |
657 | 874 |:lmake|, |:grep|, |:lgrep|, |:grepadd|, |
875 |:lgrepadd|, |:vimgrep|, |:lvimgrep|, | |
3281 | 876 |:vimgrepadd|, |:lvimgrepadd|, |:cscope|, |
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877 |:cfile|, |:cgetfile|, |:caddfile|, |:lfile|, |
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878 |:lgetfile|, |:laddfile|, |:helpgrep|, |
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879 |:lhelpgrep|, |:cexpr|, |:cgetexpr|, |
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880 |:caddexpr|, |:cbuffer|, |:cgetbuffer|, |
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881 |:caddbuffer|). |
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882 The pattern is matched against the command |
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883 being run. When |:grep| is used but 'grepprg' |
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884 is set to "internal" it still matches "grep". |
579 | 885 This command cannot be used to set the |
886 'makeprg' and 'grepprg' variables. | |
887 If this command causes an error, the quickfix | |
888 command is not executed. | |
889 *QuickFixCmdPost* | |
890 QuickFixCmdPost Like QuickFixCmdPre, but after a quickfix | |
842 | 891 command is run, before jumping to the first |
3404 | 892 location. For |:cfile| and |:lfile| commands |
893 it is run after error file is read and before | |
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894 moving to the first error. |
3404 | 895 See |QuickFixCmdPost-example|. |
3682 | 896 *QuitPre* |
4229 | 897 QuitPre When using `:quit`, `:wq` or `:qall`, before |
898 deciding whether it closes the current window | |
899 or quits Vim. Can be used to close any | |
900 non-essential window if the current window is | |
901 the last ordinary window. | |
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902 Also see |ExitPre|. |
579 | 903 *RemoteReply* |
904 RemoteReply When a reply from a Vim that functions as | |
1154 | 905 server was received |server2client()|. The |
906 pattern is matched against the {serverid}. | |
579 | 907 <amatch> is equal to the {serverid} from which |
908 the reply was sent, and <afile> is the actual | |
909 reply string. | |
910 Note that even if an autocommand is defined, | |
911 the reply should be read with |remote_read()| | |
912 to consume it. | |
913 *SessionLoadPost* | |
914 SessionLoadPost After loading the session file created using | |
915 the |:mksession| command. | |
724 | 916 *ShellCmdPost* |
917 ShellCmdPost After executing a shell command with |:!cmd|, | |
918 |:shell|, |:make| and |:grep|. Can be used to | |
919 check for any changed files. | |
920 *ShellFilterPost* | |
921 ShellFilterPost After executing a shell command with | |
922 ":{range}!cmd", ":w !cmd" or ":r !cmd". | |
923 Can be used to check for any changed files. | |
716 | 924 *SourcePre* |
925 SourcePre Before sourcing a Vim script. |:source| | |
1061 | 926 <afile> is the name of the file being sourced. |
927 *SourceCmd* | |
928 SourceCmd When sourcing a Vim script. |:source| | |
929 <afile> is the name of the file being sourced. | |
930 The autocommand must source this file. | |
931 |Cmd-event| | |
650 | 932 *SpellFileMissing* |
933 SpellFileMissing When trying to load a spell checking file and | |
1061 | 934 it can't be found. The pattern is matched |
935 against the language. <amatch> is the | |
936 language, 'encoding' also matters. See | |
650 | 937 |spell-SpellFileMissing|. |
579 | 938 *StdinReadPost* |
939 StdinReadPost After reading from the stdin into the buffer, | |
940 before executing the modelines. Only used | |
941 when the "-" argument was used when Vim was | |
942 started |--|. | |
943 *StdinReadPre* | |
944 StdinReadPre Before reading from stdin into the buffer. | |
945 Only used when the "-" argument was used when | |
946 Vim was started |--|. | |
947 *SwapExists* | |
948 SwapExists Detected an existing swap file when starting | |
949 to edit a file. Only when it is possible to | |
950 select a way to handle the situation, when Vim | |
951 would ask the user what to do. | |
952 The |v:swapname| variable holds the name of | |
590 | 953 the swap file found, <afile> the file being |
954 edited. |v:swapcommand| may contain a command | |
955 to be executed in the opened file. | |
956 The commands should set the |v:swapchoice| | |
957 variable to a string with one character to | |
958 tell Vim what should be done next: | |
579 | 959 'o' open read-only |
960 'e' edit the file anyway | |
961 'r' recover | |
962 'd' delete the swap file | |
963 'q' quit, don't edit the file | |
964 'a' abort, like hitting CTRL-C | |
965 When set to an empty string the user will be | |
966 asked, as if there was no SwapExists autocmd. | |
1919 | 967 *E812* |
968 It is not allowed to change to another buffer, | |
969 change a buffer name or change directory | |
970 here. | |
13437 | 971 {only available with the +eval feature} |
579 | 972 *Syntax* |
1154 | 973 Syntax When the 'syntax' option has been set. The |
974 pattern is matched against the syntax name. | |
579 | 975 <afile> can be used for the name of the file |
976 where this option was set, and <amatch> for | |
977 the new value of 'syntax'. | |
978 See |:syn-on|. | |
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979 *TabClosed* |
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980 TabClosed After closing a tab page. |
677 | 981 *TabEnter* |
982 TabEnter Just after entering a tab page. |tab-page| | |
872 | 983 After triggering the WinEnter and before |
984 triggering the BufEnter event. | |
677 | 985 *TabLeave* |
986 TabLeave Just before leaving a tab page. |tab-page| | |
987 A WinLeave event will have been triggered | |
988 first. | |
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989 *TabNew* |
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990 TabNew When a tab page was created. |tab-page| |
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991 A WinEnter event will have been triggered |
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992 first, TabEnter follows. |
579 | 993 *TermChanged* |
994 TermChanged After the value of 'term' has changed. Useful | |
995 for re-loading the syntax file to update the | |
996 colors, fonts and other terminal-dependent | |
997 settings. Executed for all loaded buffers. | |
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998 *TerminalOpen* |
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999 TerminalOpen Just after a terminal buffer was created, with |
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1000 `:terminal` or |term_start()|. This event is |
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1001 triggered even if the buffer is created |
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1002 without a window, with the ++hidden option. |
579 | 1003 *TermResponse* |
1004 TermResponse After the response to |t_RV| is received from | |
1005 the terminal. The value of |v:termresponse| | |
1006 can be used to do things depending on the | |
2788 | 1007 terminal version. Note that this event may be |
1008 triggered halfway executing another event, | |
1009 especially if file I/O, a shell command or | |
1010 anything else that takes time is involved. | |
4264 | 1011 *TextChanged* |
1012 TextChanged After a change was made to the text in the | |
1013 current buffer in Normal mode. That is when | |
1014 |b:changedtick| has changed. | |
1015 Not triggered when there is typeahead or when | |
1016 an operator is pending. | |
1017 Careful: This is triggered very often, don't | |
1018 do anything that the user does not expect or | |
1019 that is slow. | |
1020 *TextChangedI* | |
1021 TextChangedI After a change was made to the text in the | |
1022 current buffer in Insert mode. | |
1023 Not triggered when the popup menu is visible. | |
1024 Otherwise the same as TextChanged. | |
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1025 *TextChangedP* |
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1026 TextChangedP After a change was made to the text in the |
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1027 current buffer in Insert mode, only when the |
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1028 popup menu is visible. Otherwise the same as |
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1029 TextChanged. |
13051 | 1030 *TextYankPost* |
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1031 TextYankPost After text has been yanked or deleted in the |
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1032 current buffer. The following values of |
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1033 |v:event| can be used to determine the operation |
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1034 that triggered this autocmd: |
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1035 operator The operation performed. |
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1036 regcontents Text that was stored in the |
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1037 register, as a list of lines, |
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1038 like with: > |
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1039 getreg(r, 1, 1) |
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1040 < regname Name of the |register| or |
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1041 empty string for the unnamed |
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1042 register. |
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1043 regtype Type of the register, see |
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1044 |getregtype()|. |
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1045 Not triggered when |quote_| is used nor when |
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1046 called recursively. |
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1047 It is not allowed to change the buffer text, |
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1048 see |textlock|. |
13437 | 1049 {only when compiled with the +eval feature} |
579 | 1050 *User* |
1051 User Never executed automatically. To be used for | |
1052 autocommands that are only executed with | |
1053 ":doautocmd". | |
13735 | 1054 Note that when `:doautocmd User MyEvent` is |
1055 used while there are no matching autocommands, | |
1056 you will get an error. If you don't want | |
1057 that, define a dummy autocommand yourself. | |
579 | 1058 *UserGettingBored* |
4264 | 1059 UserGettingBored When the user presses the same key 42 times. |
1060 Just kidding! :-) | |
579 | 1061 *VimEnter* |
1062 VimEnter After doing all the startup stuff, including | |
1063 loading .vimrc files, executing the "-c cmd" | |
1064 arguments, creating all windows and loading | |
1065 the buffers in them. | |
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1066 Just before this event is triggered the |
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1067 |v:vim_did_enter| variable is set, so that you |
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1068 can do: > |
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1069 if v:vim_did_enter |
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1070 call s:init() |
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1071 else |
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1072 au VimEnter * call s:init() |
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1073 endif |
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1074 < *VimLeave* |
579 | 1075 VimLeave Before exiting Vim, just after writing the |
1076 .viminfo file. Executed only once, like | |
1077 VimLeavePre. | |
1078 To detect an abnormal exit use |v:dying|. | |
2226
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1079 When v:dying is 2 or more this event is not |
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1080 triggered. |
579 | 1081 *VimLeavePre* |
1082 VimLeavePre Before exiting Vim, just before writing the | |
1083 .viminfo file. This is executed only once, | |
1084 if there is a match with the name of what | |
1085 happens to be the current buffer when exiting. | |
1086 Mostly useful with a "*" pattern. > | |
1087 :autocmd VimLeavePre * call CleanupStuff() | |
1088 < To detect an abnormal exit use |v:dying|. | |
2226
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1089 When v:dying is 2 or more this event is not |
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1090 triggered. |
766 | 1091 *VimResized* |
1092 VimResized After the Vim window was resized, thus 'lines' | |
1093 and/or 'columns' changed. Not when starting | |
1094 up though. | |
7 | 1095 *WinEnter* |
1096 WinEnter After entering another window. Not done for | |
1097 the first window, when Vim has just started. | |
1098 Useful for setting the window height. | |
1099 If the window is for another buffer, Vim | |
1100 executes the BufEnter autocommands after the | |
1101 WinEnter autocommands. | |
13735 | 1102 Note: For split and tabpage commands the |
1103 WinEnter event is triggered after the split | |
1104 or tab command but before the file is loaded. | |
1105 | |
7 | 1106 *WinLeave* |
1107 WinLeave Before leaving a window. If the window to be | |
1108 entered next is for a different buffer, Vim | |
1109 executes the BufLeave autocommands before the | |
1110 WinLeave autocommands (but not for ":new"). | |
1111 Not used for ":qa" or ":q" when exiting Vim. | |
1112 | |
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1113 *WinNew* |
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1114 WinNew When a new window was created. Not done for |
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1115 the first window, when Vim has just started. |
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1116 Before a WinEnter event. |
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1117 |
7 | 1118 ============================================================================== |
1119 6. Patterns *autocmd-patterns* *{pat}* | |
1120 | |
6741 | 1121 The {pat} argument can be a comma separated list. This works as if the |
1122 command was given with each pattern separately. Thus this command: > | |
1123 :autocmd BufRead *.txt,*.info set et | |
1124 Is equivalent to: > | |
1125 :autocmd BufRead *.txt set et | |
1126 :autocmd BufRead *.info set et | |
1127 | |
7 | 1128 The file pattern {pat} is tested for a match against the file name in one of |
1129 two ways: | |
1130 1. When there is no '/' in the pattern, Vim checks for a match against only | |
1131 the tail part of the file name (without its leading directory path). | |
2033
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1132 2. When there is a '/' in the pattern, Vim checks for a match against both the |
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1133 short file name (as you typed it) and the full file name (after expanding |
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1134 it to a full path and resolving symbolic links). |
7 | 1135 |
40 | 1136 The special pattern <buffer> or <buffer=N> is used for buffer-local |
1137 autocommands |autocmd-buflocal|. This pattern is not matched against the name | |
1138 of a buffer. | |
1139 | |
7 | 1140 Examples: > |
1141 :autocmd BufRead *.txt set et | |
1142 Set the 'et' option for all text files. > | |
1143 | |
1144 :autocmd BufRead /vim/src/*.c set cindent | |
1145 Set the 'cindent' option for C files in the /vim/src directory. > | |
1146 | |
1147 :autocmd BufRead /tmp/*.c set ts=5 | |
1148 If you have a link from "/tmp/test.c" to "/home/nobody/vim/src/test.c", and | |
1149 you start editing "/tmp/test.c", this autocommand will match. | |
1150 | |
1151 Note: To match part of a path, but not from the root directory, use a '*' as | |
1152 the first character. Example: > | |
1153 :autocmd BufRead */doc/*.txt set tw=78 | |
1154 This autocommand will for example be executed for "/tmp/doc/xx.txt" and | |
1155 "/usr/home/piet/doc/yy.txt". The number of directories does not matter here. | |
1156 | |
1157 | |
1158 The file name that the pattern is matched against is after expanding | |
1621 | 1159 wildcards. Thus if you issue this command: > |
7 | 1160 :e $ROOTDIR/main.$EXT |
1161 The argument is first expanded to: > | |
1162 /usr/root/main.py | |
1163 Before it's matched with the pattern of the autocommand. Careful with this | |
1164 when using events like FileReadCmd, the value of <amatch> may not be what you | |
1165 expect. | |
1166 | |
1167 | |
1168 Environment variables can be used in a pattern: > | |
1169 :autocmd BufRead $VIMRUNTIME/doc/*.txt set expandtab | |
1170 And ~ can be used for the home directory (if $HOME is defined): > | |
1171 :autocmd BufWritePost ~/.vimrc so ~/.vimrc | |
1172 :autocmd BufRead ~archive/* set readonly | |
1173 The environment variable is expanded when the autocommand is defined, not when | |
1174 the autocommand is executed. This is different from the command! | |
1175 | |
1176 *file-pattern* | |
1177 The pattern is interpreted like mostly used in file names: | |
5294 | 1178 * matches any sequence of characters; Unusual: includes path |
5277 | 1179 separators |
7 | 1180 ? matches any single character |
1181 \? matches a '?' | |
1182 . matches a '.' | |
1183 ~ matches a '~' | |
1184 , separates patterns | |
1185 \, matches a ',' | |
1186 { } like \( \) in a |pattern| | |
1187 , inside { }: like \| in a |pattern| | |
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1188 \} literal } |
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1189 \{ literal { |
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1190 \\\{n,m\} like \{n,m} in a |pattern| |
7 | 1191 \ special meaning like in a |pattern| |
1192 [ch] matches 'c' or 'h' | |
1193 [^ch] match any character but 'c' and 'h' | |
1194 | |
1195 Note that for all systems the '/' character is used for path separator (even | |
1196 MS-DOS and OS/2). This was done because the backslash is difficult to use | |
1197 in a pattern and to make the autocommands portable across different systems. | |
1198 | |
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1199 It is possible to use |pattern| items, but they may not work as expected, |
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1200 because of the translation done for the above. |
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1201 |
40 | 1202 *autocmd-changes* |
7 | 1203 Matching with the pattern is done when an event is triggered. Changing the |
1204 buffer name in one of the autocommands, or even deleting the buffer, does not | |
1205 change which autocommands will be executed. Example: > | |
1206 | |
1207 au BufEnter *.foo bdel | |
1208 au BufEnter *.foo set modified | |
1209 | |
1210 This will delete the current buffer and then set 'modified' in what has become | |
1211 the current buffer instead. Vim doesn't take into account that "*.foo" | |
1212 doesn't match with that buffer name. It matches "*.foo" with the name of the | |
1213 buffer at the moment the event was triggered. | |
1214 | |
40 | 1215 However, buffer-local autocommands will not be executed for a buffer that has |
1216 been wiped out with |:bwipe|. After deleting the buffer with |:bdel| the | |
1217 buffer actually still exists (it becomes unlisted), thus the autocommands are | |
1218 still executed. | |
1219 | |
7 | 1220 ============================================================================== |
856 | 1221 7. Buffer-local autocommands *autocmd-buflocal* *autocmd-buffer-local* |
1222 *<buffer=N>* *<buffer=abuf>* *E680* | |
40 | 1223 |
1224 Buffer-local autocommands are attached to a specific buffer. They are useful | |
1225 if the buffer does not have a name and when the name does not match a specific | |
1226 pattern. But it also means they must be explicitly added to each buffer. | |
1227 | |
1228 Instead of a pattern buffer-local autocommands use one of these forms: | |
1229 <buffer> current buffer | |
1230 <buffer=99> buffer number 99 | |
1231 <buffer=abuf> using <abuf> (only when executing autocommands) | |
1232 |<abuf>| | |
1233 | |
1234 Examples: > | |
1235 :au CursorHold <buffer> echo 'hold' | |
1236 :au CursorHold <buffer=33> echo 'hold' | |
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1237 :au BufNewFile * au CursorHold <buffer=abuf> echo 'hold' |
40 | 1238 |
1239 All the commands for autocommands also work with buffer-local autocommands, | |
1240 simply use the special string instead of the pattern. Examples: > | |
856 | 1241 :au! * <buffer> " remove buffer-local autocommands for |
1242 " current buffer | |
1243 :au! * <buffer=33> " remove buffer-local autocommands for | |
1244 " buffer #33 | |
1621 | 1245 :bufdo :au! CursorHold <buffer> " remove autocmd for given event for all |
856 | 1246 " buffers |
1247 :au * <buffer> " list buffer-local autocommands for | |
1248 " current buffer | |
40 | 1249 |
1250 Note that when an autocommand is defined for the current buffer, it is stored | |
1251 with the buffer number. Thus it uses the form "<buffer=12>", where 12 is the | |
1252 number of the current buffer. You will see this when listing autocommands, | |
1253 for example. | |
1254 | |
1255 To test for presence of buffer-local autocommands use the |exists()| function | |
1256 as follows: > | |
1257 :if exists("#CursorHold#<buffer=12>") | ... | endif | |
1258 :if exists("#CursorHold#<buffer>") | ... | endif " for current buffer | |
1259 | |
1260 When a buffer is wiped out its buffer-local autocommands are also gone, of | |
1261 course. Note that when deleting a buffer, e.g., with ":bdel", it is only | |
1262 unlisted, the autocommands are still present. In order to see the removal of | |
1263 buffer-local autocommands: > | |
1264 :set verbose=6 | |
1265 | |
1266 It is not possible to define buffer-local autocommands for a non-existent | |
1267 buffer. | |
1268 | |
1269 ============================================================================== | |
1270 8. Groups *autocmd-groups* | |
7 | 1271 |
1272 Autocommands can be put together in a group. This is useful for removing or | |
1273 executing a group of autocommands. For example, all the autocommands for | |
1274 syntax highlighting are put in the "highlight" group, to be able to execute | |
1275 ":doautoall highlight BufRead" when the GUI starts. | |
1276 | |
1277 When no specific group is selected, Vim uses the default group. The default | |
1278 group does not have a name. You cannot execute the autocommands from the | |
1279 default group separately; you can execute them only by executing autocommands | |
1280 for all groups. | |
1281 | |
1282 Normally, when executing autocommands automatically, Vim uses the autocommands | |
1283 for all groups. The group only matters when executing autocommands with | |
1284 ":doautocmd" or ":doautoall", or when defining or deleting autocommands. | |
1285 | |
1286 The group name can contain any characters except white space. The group name | |
1287 "end" is reserved (also in uppercase). | |
1288 | |
1289 The group name is case sensitive. Note that this is different from the event | |
1290 name! | |
1291 | |
1292 *:aug* *:augroup* | |
1293 :aug[roup] {name} Define the autocmd group name for the | |
1294 following ":autocmd" commands. The name "end" | |
1295 or "END" selects the default group. | |
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1296 To avoid confusion, the name should be |
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1297 different from existing {event} names, as this |
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1298 most likely will not do what you intended. |
7 | 1299 |
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1300 *:augroup-delete* *E367* *W19* *E936* |
7 | 1301 :aug[roup]! {name} Delete the autocmd group {name}. Don't use |
1302 this if there is still an autocommand using | |
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1303 this group! You will get a warning if doing |
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1304 it anyway. when the group is the current group |
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1305 you will get error E936. |
7 | 1306 |
1307 To enter autocommands for a specific group, use this method: | |
1308 1. Select the group with ":augroup {name}". | |
1309 2. Delete any old autocommands with ":au!". | |
1310 3. Define the autocommands. | |
1311 4. Go back to the default group with "augroup END". | |
1312 | |
1313 Example: > | |
1314 :augroup uncompress | |
1315 : au! | |
1316 : au BufEnter *.gz %!gunzip | |
1317 :augroup END | |
1318 | |
1319 This prevents having the autocommands defined twice (e.g., after sourcing the | |
1320 .vimrc file again). | |
1321 | |
1322 ============================================================================== | |
40 | 1323 9. Executing autocommands *autocmd-execute* |
7 | 1324 |
1325 Vim can also execute Autocommands non-automatically. This is useful if you | |
1326 have changed autocommands, or when Vim has executed the wrong autocommands | |
1327 (e.g., the file pattern match was wrong). | |
1328 | |
1329 Note that the 'eventignore' option applies here too. Events listed in this | |
1330 option will not cause any commands to be executed. | |
1331 | |
1332 *:do* *:doau* *:doautocmd* *E217* | |
3356 | 1333 :do[autocmd] [<nomodeline>] [group] {event} [fname] |
7 | 1334 Apply the autocommands matching [fname] (default: |
1335 current file name) for {event} to the current buffer. | |
1336 You can use this when the current file name does not | |
1337 match the right pattern, after changing settings, or | |
1338 to execute autocommands for a certain event. | |
1339 It's possible to use this inside an autocommand too, | |
1340 so you can base the autocommands for one extension on | |
1341 another extension. Example: > | |
3224 | 1342 :au BufEnter *.cpp so ~/.vimrc_cpp |
1343 :au BufEnter *.cpp doau BufEnter x.c | |
7 | 1344 < Be careful to avoid endless loops. See |
1345 |autocmd-nested|. | |
1346 | |
1347 When the [group] argument is not given, Vim executes | |
1348 the autocommands for all groups. When the [group] | |
1349 argument is included, Vim executes only the matching | |
1350 autocommands for that group. Note: if you use an | |
1351 undefined group name, Vim gives you an error message. | |
3350 | 1352 *<nomodeline>* |
1353 After applying the autocommands the modelines are | |
1354 processed, so that their settings overrule the | |
1355 settings from autocommands, like what happens when | |
1356 editing a file. This is skipped when the <nomodeline> | |
1357 argument is present. You probably want to use | |
1358 <nomodeline> for events that are not used when loading | |
1359 a buffer, such as |User|. | |
9286
64035abb986b
commit https://github.com/vim/vim/commit/c95a302a4c42ec8230473cd4a5e0064d0a143aa8
Christian Brabandt <cb@256bit.org>
parents:
8951
diff
changeset
|
1360 Processing modelines is also skipped when no |
64035abb986b
commit https://github.com/vim/vim/commit/c95a302a4c42ec8230473cd4a5e0064d0a143aa8
Christian Brabandt <cb@256bit.org>
parents:
8951
diff
changeset
|
1361 matching autocommands were executed. |
7 | 1362 |
1363 *:doautoa* *:doautoall* | |
3342 | 1364 :doautoa[ll] [<nomodeline>] [group] {event} [fname] |
7 | 1365 Like ":doautocmd", but apply the autocommands to each |
2033
de5a43c5eedc
Update documentation files.
Bram Moolenaar <bram@zimbu.org>
parents:
1919
diff
changeset
|
1366 loaded buffer. Note that [fname] is used to select |
7 | 1367 the autocommands, not the buffers to which they are |
1368 applied. | |
1369 Careful: Don't use this for autocommands that delete a | |
1370 buffer, change to another buffer or change the | |
1371 contents of a buffer; the result is unpredictable. | |
1372 This command is intended for autocommands that set | |
1373 options, change highlighting, and things like that. | |
1374 | |
1375 ============================================================================== | |
40 | 1376 10. Using autocommands *autocmd-use* |
7 | 1377 |
1378 For WRITING FILES there are four possible sets of events. Vim uses only one | |
1379 of these sets for a write command: | |
1380 | |
1381 BufWriteCmd BufWritePre BufWritePost writing the whole buffer | |
1382 FilterWritePre FilterWritePost writing to filter temp file | |
1383 FileAppendCmd FileAppendPre FileAppendPost appending to a file | |
1384 FileWriteCmd FileWritePre FileWritePost any other file write | |
1385 | |
1386 When there is a matching "*Cmd" autocommand, it is assumed it will do the | |
1387 writing. No further writing is done and the other events are not triggered. | |
1388 |Cmd-event| | |
1389 | |
1390 Note that the *WritePost commands should undo any changes to the buffer that | |
1391 were caused by the *WritePre commands; otherwise, writing the file will have | |
1392 the side effect of changing the buffer. | |
1393 | |
1394 Before executing the autocommands, the buffer from which the lines are to be | |
1395 written temporarily becomes the current buffer. Unless the autocommands | |
1396 change the current buffer or delete the previously current buffer, the | |
1397 previously current buffer is made the current buffer again. | |
1398 | |
1399 The *WritePre and *AppendPre autocommands must not delete the buffer from | |
1400 which the lines are to be written. | |
1401 | |
1402 The '[ and '] marks have a special position: | |
1403 - Before the *ReadPre event the '[ mark is set to the line just above where | |
1404 the new lines will be inserted. | |
1405 - Before the *ReadPost event the '[ mark is set to the first line that was | |
1406 just read, the '] mark to the last line. | |
26 | 1407 - Before executing the *WriteCmd, *WritePre and *AppendPre autocommands the '[ |
1408 mark is set to the first line that will be written, the '] mark to the last | |
1409 line. | |
7 | 1410 Careful: '[ and '] change when using commands that change the buffer. |
1411 | |
1412 In commands which expect a file name, you can use "<afile>" for the file name | |
1413 that is being read |:<afile>| (you can also use "%" for the current file | |
1414 name). "<abuf>" can be used for the buffer number of the currently effective | |
14123 | 1415 buffer. This also works for buffers that don't have a name. But it doesn't |
7 | 1416 work for files without a buffer (e.g., with ":r file"). |
1417 | |
1418 *gzip-example* | |
1419 Examples for reading and writing compressed files: > | |
1420 :augroup gzip | |
1421 : autocmd! | |
1422 : autocmd BufReadPre,FileReadPre *.gz set bin | |
1423 : autocmd BufReadPost,FileReadPost *.gz '[,']!gunzip | |
1424 : autocmd BufReadPost,FileReadPost *.gz set nobin | |
1425 : autocmd BufReadPost,FileReadPost *.gz execute ":doautocmd BufReadPost " . expand("%:r") | |
1426 : autocmd BufWritePost,FileWritePost *.gz !mv <afile> <afile>:r | |
1427 : autocmd BufWritePost,FileWritePost *.gz !gzip <afile>:r | |
1428 | |
1429 : autocmd FileAppendPre *.gz !gunzip <afile> | |
1430 : autocmd FileAppendPre *.gz !mv <afile>:r <afile> | |
1431 : autocmd FileAppendPost *.gz !mv <afile> <afile>:r | |
1432 : autocmd FileAppendPost *.gz !gzip <afile>:r | |
1433 :augroup END | |
1434 | |
1435 The "gzip" group is used to be able to delete any existing autocommands with | |
1436 ":autocmd!", for when the file is sourced twice. | |
1437 | |
1438 ("<afile>:r" is the file name without the extension, see |:_%:|) | |
1439 | |
1440 The commands executed for the BufNewFile, BufRead/BufReadPost, BufWritePost, | |
1441 FileAppendPost and VimLeave events do not set or reset the changed flag of the | |
1442 buffer. When you decompress the buffer with the BufReadPost autocommands, you | |
1443 can still exit with ":q". When you use ":undo" in BufWritePost to undo the | |
1444 changes made by BufWritePre commands, you can still do ":q" (this also makes | |
1445 "ZZ" work). If you do want the buffer to be marked as modified, set the | |
1446 'modified' option. | |
1447 | |
1448 To execute Normal mode commands from an autocommand, use the ":normal" | |
1449 command. Use with care! If the Normal mode command is not finished, the user | |
1450 needs to type characters (e.g., after ":normal m" you need to type a mark | |
1451 name). | |
1452 | |
1453 If you want the buffer to be unmodified after changing it, reset the | |
1454 'modified' option. This makes it possible to exit the buffer with ":q" | |
1455 instead of ":q!". | |
1456 | |
1457 *autocmd-nested* *E218* | |
1458 By default, autocommands do not nest. If you use ":e" or ":w" in an | |
1459 autocommand, Vim does not execute the BufRead and BufWrite autocommands for | |
1460 those commands. If you do want this, use the "nested" flag for those commands | |
1461 in which you want nesting. For example: > | |
1462 :autocmd FileChangedShell *.c nested e! | |
1463 The nesting is limited to 10 levels to get out of recursive loops. | |
1464 | |
1465 It's possible to use the ":au" command in an autocommand. This can be a | |
1466 self-modifying command! This can be useful for an autocommand that should | |
1467 execute only once. | |
1468 | |
590 | 1469 If you want to skip autocommands for one command, use the |:noautocmd| command |
1470 modifier or the 'eventignore' option. | |
7 | 1471 |
1472 Note: When reading a file (with ":read file" or with a filter command) and the | |
1473 last line in the file does not have an <EOL>, Vim remembers this. At the next | |
1474 write (with ":write file" or with a filter command), if the same line is | |
1475 written again as the last line in a file AND 'binary' is set, Vim does not | |
1476 supply an <EOL>. This makes a filter command on the just read lines write the | |
1477 same file as was read, and makes a write command on just filtered lines write | |
1478 the same file as was read from the filter. For example, another way to write | |
1479 a compressed file: > | |
1480 | |
1481 :autocmd FileWritePre *.gz set bin|'[,']!gzip | |
1482 :autocmd FileWritePost *.gz undo|set nobin | |
1483 < | |
1484 *autocommand-pattern* | |
1485 You can specify multiple patterns, separated by commas. Here are some | |
1486 examples: > | |
1487 | |
1488 :autocmd BufRead * set tw=79 nocin ic infercase fo=2croq | |
1489 :autocmd BufRead .letter set tw=72 fo=2tcrq | |
1490 :autocmd BufEnter .letter set dict=/usr/lib/dict/words | |
1491 :autocmd BufLeave .letter set dict= | |
1492 :autocmd BufRead,BufNewFile *.c,*.h set tw=0 cin noic | |
1493 :autocmd BufEnter *.c,*.h abbr FOR for (i = 0; i < 3; ++i)<CR>{<CR>}<Esc>O | |
1494 :autocmd BufLeave *.c,*.h unabbr FOR | |
1495 | |
1496 For makefiles (makefile, Makefile, imakefile, makefile.unix, etc.): > | |
1497 | |
1498 :autocmd BufEnter ?akefile* set include=^s\=include | |
1499 :autocmd BufLeave ?akefile* set include& | |
1500 | |
1501 To always start editing C files at the first function: > | |
1502 | |
1503 :autocmd BufRead *.c,*.h 1;/^{ | |
1504 | |
1505 Without the "1;" above, the search would start from wherever the file was | |
1506 entered, rather than from the start of the file. | |
1507 | |
1508 *skeleton* *template* | |
1509 To read a skeleton (template) file when opening a new file: > | |
1510 | |
1511 :autocmd BufNewFile *.c 0r ~/vim/skeleton.c | |
1512 :autocmd BufNewFile *.h 0r ~/vim/skeleton.h | |
1513 :autocmd BufNewFile *.java 0r ~/vim/skeleton.java | |
1514 | |
1515 To insert the current date and time in a *.html file when writing it: > | |
1516 | |
1517 :autocmd BufWritePre,FileWritePre *.html ks|call LastMod()|'s | |
1518 :fun LastMod() | |
1519 : if line("$") > 20 | |
1520 : let l = 20 | |
1521 : else | |
1522 : let l = line("$") | |
1523 : endif | |
1524 : exe "1," . l . "g/Last modified: /s/Last modified: .*/Last modified: " . | |
1525 : \ strftime("%Y %b %d") | |
1526 :endfun | |
1527 | |
1528 You need to have a line "Last modified: <date time>" in the first 20 lines | |
1529 of the file for this to work. Vim replaces <date time> (and anything in the | |
1530 same line after it) with the current date and time. Explanation: | |
1531 ks mark current position with mark 's' | |
1532 call LastMod() call the LastMod() function to do the work | |
1533 's return the cursor to the old position | |
1534 The LastMod() function checks if the file is shorter than 20 lines, and then | |
1535 uses the ":g" command to find lines that contain "Last modified: ". For those | |
1536 lines the ":s" command is executed to replace the existing date with the | |
1537 current one. The ":execute" command is used to be able to use an expression | |
1538 for the ":g" and ":s" commands. The date is obtained with the strftime() | |
1539 function. You can change its argument to get another date string. | |
1540 | |
1541 When entering :autocmd on the command-line, completion of events and command | |
1542 names may be done (with <Tab>, CTRL-D, etc.) where appropriate. | |
1543 | |
1544 Vim executes all matching autocommands in the order that you specify them. | |
1545 It is recommended that your first autocommand be used for all files by using | |
1546 "*" as the file pattern. This means that you can define defaults you like | |
1547 here for any settings, and if there is another matching autocommand it will | |
1548 override these. But if there is no other matching autocommand, then at least | |
1549 your default settings are recovered (if entering this file from another for | |
1550 which autocommands did match). Note that "*" will also match files starting | |
1551 with ".", unlike Unix shells. | |
1552 | |
1553 *autocmd-searchpat* | |
1554 Autocommands do not change the current search patterns. Vim saves the current | |
1555 search patterns before executing autocommands then restores them after the | |
1556 autocommands finish. This means that autocommands do not affect the strings | |
1557 highlighted with the 'hlsearch' option. Within autocommands, you can still | |
1558 use search patterns normally, e.g., with the "n" command. | |
1559 If you want an autocommand to set the search pattern, such that it is used | |
1560 after the autocommand finishes, use the ":let @/ =" command. | |
1561 The search-highlighting cannot be switched off with ":nohlsearch" in an | |
1562 autocommand. Use the 'h' flag in the 'viminfo' option to disable search- | |
1563 highlighting when starting Vim. | |
1564 | |
1565 *Cmd-event* | |
1566 When using one of the "*Cmd" events, the matching autocommands are expected to | |
1061 | 1567 do the file reading, writing or sourcing. This can be used when working with |
1568 a special kind of file, for example on a remote system. | |
7 | 1569 CAREFUL: If you use these events in a wrong way, it may have the effect of |
1570 making it impossible to read or write the matching files! Make sure you test | |
1571 your autocommands properly. Best is to use a pattern that will never match a | |
1572 normal file name, for example "ftp://*". | |
1573 | |
1574 When defining a BufReadCmd it will be difficult for Vim to recover a crashed | |
1575 editing session. When recovering from the original file, Vim reads only those | |
1576 parts of a file that are not found in the swap file. Since that is not | |
1577 possible with a BufReadCmd, use the |:preserve| command to make sure the | |
1578 original file isn't needed for recovery. You might want to do this only when | |
1579 you expect the file to be modified. | |
1580 | |
1061 | 1581 For file read and write commands the |v:cmdarg| variable holds the "++enc=" |
1582 and "++ff=" argument that are effective. These should be used for the command | |
1583 that reads/writes the file. The |v:cmdbang| variable is one when "!" was | |
1584 used, zero otherwise. | |
7 | 1585 |
2377
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Bram Moolenaar <bram@vim.org>
parents:
2345
diff
changeset
|
1586 See the $VIMRUNTIME/plugin/netrwPlugin.vim for examples. |
7 | 1587 |
590 | 1588 ============================================================================== |
1589 11. Disabling autocommands *autocmd-disable* | |
1590 | |
1591 To disable autocommands for some time use the 'eventignore' option. Note that | |
1592 this may cause unexpected behavior, make sure you restore 'eventignore' | |
1593 afterwards, using a |:try| block with |:finally|. | |
1594 | |
1595 *:noautocmd* *:noa* | |
1596 To disable autocommands for just one command use the ":noautocmd" command | |
1597 modifier. This will set 'eventignore' to "all" for the duration of the | |
1598 following command. Example: > | |
1599 | |
1600 :noautocmd w fname.gz | |
1601 | |
1602 This will write the file without triggering the autocommands defined by the | |
1603 gzip plugin. | |
1604 | |
40 | 1605 |
14421 | 1606 vim:tw=78:ts=8:noet:ft=help:norl: |