Mercurial > vim
annotate runtime/doc/autocmd.txt @ 29314:f8116058ca76 v9.0.0000
release version 9.0
Commit: https://github.com/vim/vim/commit/eb49041875118be5fe60f07750c7c86cb26dccef
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Jun 28 13:44:46 2022 +0100
release version 9.0
Problem: About time to release Vim 9.0.
Solution: Update the version number everywhere.
author | Bram Moolenaar <Bram@vim.org> |
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date | Tue, 28 Jun 2022 14:45:09 +0200 |
parents | f8e9d5023bf6 |
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29314 | 1 *autocmd.txt* For Vim version 9.0. Last change: 2022 May 24 |
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 | |
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50 Recommended use: |
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51 - Always use a group, so that it's easy to delete the autocommand. |
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52 - Keep the command itself short, call a function to do more work. |
29066 | 53 - Make it so that the script it is defined in can be sourced several times |
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54 without the autocommand being repeated. |
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55 |
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56 Example in Vim9 script: > |
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57 autocmd_add({replace: true, |
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58 group: 'DemoGroup', |
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59 event: 'BufEnter', |
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60 pattern: '*.txt', |
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61 cmd: 'call DemoBufEnter()' |
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62 }) |
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63 |
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64 In legacy script: > |
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65 call autocmd_add(#{replace: v:true, |
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66 \ group: 'DemoGroup', |
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67 \ event: 'BufEnter', |
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68 \ pattern: '*.txt', |
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69 \ cmd: 'call DemoBufEnter()' |
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70 \ }) |
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71 |
7 | 72 ============================================================================== |
73 2. Defining autocommands *autocmd-define* | |
74 | |
75 *:au* *:autocmd* | |
27162 | 76 :au[tocmd] [group] {event} {aupat} [++once] [++nested] {cmd} |
7 | 77 Add {cmd} to the list of commands that Vim will |
78 execute automatically on {event} for a file matching | |
27162 | 79 {aupat} |autocmd-patterns|. |
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80 Here {event} cannot be "*". *E1155* |
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81 Note: A quote character is seen as argument to the |
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82 :autocmd and won't start a comment. |
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83 Vim always adds the {cmd} after existing autocommands, |
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84 so that the autocommands execute in the order in which |
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85 they were given. |
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86 See |autocmd-nested| for [++nested]. "nested" |
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87 (without the ++) can also be used, for backwards |
28010 | 88 compatibility, but not in |Vim9| script. *E1078* |
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89 *autocmd-once* |
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90 If [++once] is supplied the command is executed once, |
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91 then removed ("one shot"). |
7 | 92 |
40 | 93 The special pattern <buffer> or <buffer=N> defines a buffer-local autocommand. |
94 See |autocmd-buflocal|. | |
95 | |
23164 | 96 If the `:autocmd` is in Vim9 script (a script that starts with `:vim9script` |
97 and in a `:def` function) then {cmd} will be executed as in Vim9 | |
22958 | 98 script. Thus this depends on where the autocmd is defined, not where it is |
99 triggered. | |
100 | |
25619 | 101 {cmd} can be a block, like with `:command`, see |:command-repl|. Example: > |
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102 au BufReadPost *.xml { |
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103 setlocal matchpairs+=<:> |
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104 /<start |
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105 } |
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106 |
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107 The |autocmd_add()| function can be used to add a list of autocmds and autocmd |
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108 groups from a Vim script. It is preferred if you have anything that would |
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109 require using `:execute` with `:autocmd`. |
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110 |
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111 Note: The ":autocmd" command can only be followed by another command when the |
26219 | 112 '|' appears where the pattern is expected. This works: > |
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113 :augroup mine | au! BufRead | augroup END |
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114 But this sees "augroup" as part of the defined command: > |
12785 | 115 :augroup mine | au! BufRead * | augroup END |
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116 :augroup mine | au BufRead * set tw=70 | augroup END |
12785 | 117 Instead you can put the group name into the command: > |
118 :au! mine BufRead * | |
119 :au mine BufRead * set tw=70 | |
120 Or use `:execute`: > | |
121 :augroup mine | exe "au! BufRead *" | augroup END | |
122 :augroup mine | exe "au BufRead * set tw=70" | augroup END | |
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123 |
28517 | 124 < *autocmd-expand* |
7 | 125 Note that special characters (e.g., "%", "<cword>") in the ":autocmd" |
126 arguments are not expanded when the autocommand is defined. These will be | |
127 expanded when the Event is recognized, and the {cmd} is executed. The only | |
128 exception is that "<sfile>" is expanded when the autocmd is defined. Example: | |
129 > | |
130 :au BufNewFile,BufRead *.html so <sfile>:h/html.vim | |
131 | |
132 Here Vim expands <sfile> to the name of the file containing this line. | |
133 | |
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134 `:autocmd` adds to the list of autocommands regardless of whether they are |
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135 already present. When your .vimrc file is sourced twice, the autocommands |
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136 will appear twice. To avoid this, define your autocommands in a group, so |
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137 that you can easily clear them: > |
7 | 138 |
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139 augroup vimrc |
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140 " Remove all vimrc autocommands |
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141 autocmd! |
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142 au BufNewFile,BufRead *.html so <sfile>:h/html.vim |
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143 augroup END |
7 | 144 |
145 If you don't want to remove all autocommands, you can instead use a variable | |
146 to ensure that Vim includes the autocommands only once: > | |
147 | |
148 :if !exists("autocommands_loaded") | |
149 : let autocommands_loaded = 1 | |
150 : au ... | |
151 :endif | |
152 | |
153 When the [group] argument is not given, Vim uses the current group (as defined | |
154 with ":augroup"); otherwise, Vim uses the group defined with [group]. Note | |
155 that [group] must have been defined before. You cannot define a new group | |
156 with ":au group ..."; use ":augroup" for that. | |
157 | |
158 While testing autocommands, you might find the 'verbose' option to be useful: > | |
159 :set verbose=9 | |
160 This setting makes Vim echo the autocommands as it executes them. | |
161 | |
162 When defining an autocommand in a script, it will be able to call functions | |
163 local to the script and use mappings local to the script. When the event is | |
164 triggered and the command executed, it will run in the context of the script | |
165 it was defined in. This matters if |<SID>| is used in a command. | |
166 | |
1621 | 167 When executing the commands, the message from one command overwrites a |
7 | 168 previous message. This is different from when executing the commands |
169 manually. Mostly the screen will not scroll up, thus there is no hit-enter | |
170 prompt. When one command outputs two messages this can happen anyway. | |
171 | |
172 ============================================================================== | |
173 3. Removing autocommands *autocmd-remove* | |
174 | |
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175 In addition to the below described commands, the |autocmd_delete()| function can |
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176 be used to remove a list of autocmds and autocmd groups from a Vim script. |
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177 |
27162 | 178 :au[tocmd]! [group] {event} {aupat} [++once] [++nested] {cmd} |
7 | 179 Remove all autocommands associated with {event} and |
27162 | 180 {aupat}, and add the command {cmd}. |
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181 See |autocmd-once| for [++once]. |
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182 See |autocmd-nested| for [++nested]. |
7 | 183 |
27162 | 184 :au[tocmd]! [group] {event} {aupat} |
7 | 185 Remove all autocommands associated with {event} and |
27162 | 186 {aupat}. |
7 | 187 |
27162 | 188 :au[tocmd]! [group] * {aupat} |
189 Remove all autocommands associated with {aupat} for | |
190 all events. | |
7 | 191 |
192 :au[tocmd]! [group] {event} | |
193 Remove ALL autocommands for {event}. | |
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194 Warning: You should not do this without a group for |
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195 |BufRead| and other common events, it can break |
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196 plugins, syntax highlighting, etc. |
7 | 197 |
198 :au[tocmd]! [group] Remove ALL autocommands. | |
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199 Note: a quote will be seen as argument to the :autocmd |
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200 and won't start a comment. |
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201 Warning: You should normally not do this without a |
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202 group, it breaks plugins, syntax highlighting, etc. |
7 | 203 |
204 When the [group] argument is not given, Vim uses the current group (as defined | |
205 with ":augroup"); otherwise, Vim uses the group defined with [group]. | |
206 | |
207 ============================================================================== | |
208 4. Listing autocommands *autocmd-list* | |
209 | |
27162 | 210 :au[tocmd] [group] {event} {aupat} |
7 | 211 Show the autocommands associated with {event} and |
27162 | 212 {aupat}. |
7 | 213 |
27162 | 214 :au[tocmd] [group] * {aupat} |
215 Show the autocommands associated with {aupat} for all | |
7 | 216 events. |
217 | |
218 :au[tocmd] [group] {event} | |
219 Show all autocommands for {event}. | |
220 | |
221 :au[tocmd] [group] Show all autocommands. | |
222 | |
223 If you provide the [group] argument, Vim lists only the autocommands for | |
224 [group]; otherwise, Vim lists the autocommands for ALL groups. Note that this | |
225 argument behavior differs from that for defining and removing autocommands. | |
226 | |
40 | 227 In order to list buffer-local autocommands, use a pattern in the form <buffer> |
228 or <buffer=N>. See |autocmd-buflocal|. | |
229 | |
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230 The |autocmd_get()| function can be used from a Vim script to get a list of |
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231 autocmds. |
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232 |
500 | 233 *:autocmd-verbose* |
234 When 'verbose' is non-zero, listing an autocommand will also display where it | |
235 was last defined. Example: > | |
236 | |
237 :verbose autocmd BufEnter | |
238 FileExplorer BufEnter | |
856 | 239 * call s:LocalBrowse(expand("<amatch>")) |
500 | 240 Last set from /usr/share/vim/vim-7.0/plugin/NetrwPlugin.vim |
241 < | |
242 See |:verbose-cmd| for more information. | |
243 | |
7 | 244 ============================================================================== |
245 5. Events *autocmd-events* *E215* *E216* | |
246 | |
579 | 247 You can specify a comma-separated list of event names. No white space can be |
248 used in this list. The command applies to all the events in the list. | |
249 | |
250 For READING FILES there are four kinds of events possible: | |
251 BufNewFile starting to edit a non-existent file | |
252 BufReadPre BufReadPost starting to edit an existing file | |
253 FilterReadPre FilterReadPost read the temp file with filter output | |
254 FileReadPre FileReadPost any other file read | |
255 Vim uses only one of these four kinds when reading a file. The "Pre" and | |
256 "Post" events are both triggered, before and after reading the file. | |
257 | |
258 Note that the autocommands for the *ReadPre events and all the Filter events | |
259 are not allowed to change the current buffer (you will get an error message if | |
260 this happens). This is to prevent the file to be read into the wrong buffer. | |
261 | |
262 Note that the 'modified' flag is reset AFTER executing the BufReadPost | |
263 and BufNewFile autocommands. But when the 'modified' option was set by the | |
264 autocommands, this doesn't happen. | |
265 | |
266 You can use the 'eventignore' option to ignore a number of events or all | |
267 events. | |
7 | 268 *autocommand-events* *{event}* |
269 Vim recognizes the following events. Vim ignores the case of event names | |
270 (e.g., you can use "BUFread" or "bufread" instead of "BufRead"). | |
271 | |
579 | 272 First an overview by function with a short explanation. Then the list |
843 | 273 alphabetically with full explanations |autocmd-events-abc|. |
579 | 274 |
275 Name triggered by ~ | |
276 | |
277 Reading | |
278 |BufNewFile| starting to edit a file that doesn't exist | |
279 |BufReadPre| starting to edit a new buffer, before reading the file | |
280 |BufRead| starting to edit a new buffer, after reading the file | |
281 |BufReadPost| starting to edit a new buffer, after reading the file | |
282 |BufReadCmd| before starting to edit a new buffer |Cmd-event| | |
283 | |
284 |FileReadPre| before reading a file with a ":read" command | |
285 |FileReadPost| after reading a file with a ":read" command | |
843 | 286 |FileReadCmd| before reading a file with a ":read" command |Cmd-event| |
579 | 287 |
288 |FilterReadPre| before reading a file from a filter command | |
289 |FilterReadPost| after reading a file from a filter command | |
290 | |
291 |StdinReadPre| before reading from stdin into the buffer | |
292 |StdinReadPost| After reading from the stdin into the buffer | |
293 | |
294 Writing | |
295 |BufWrite| starting to write the whole buffer to a file | |
296 |BufWritePre| starting to write the whole buffer to a file | |
297 |BufWritePost| after writing the whole buffer to a file | |
298 |BufWriteCmd| before writing the whole buffer to a file |Cmd-event| | |
299 | |
300 |FileWritePre| starting to write part of a buffer to a file | |
301 |FileWritePost| after writing part of a buffer to a file | |
302 |FileWriteCmd| before writing part of a buffer to a file |Cmd-event| | |
303 | |
304 |FileAppendPre| starting to append to a file | |
305 |FileAppendPost| after appending to a file | |
306 |FileAppendCmd| before appending to a file |Cmd-event| | |
307 | |
308 |FilterWritePre| starting to write a file for a filter command or diff | |
309 |FilterWritePost| after writing a file for a filter command or diff | |
310 | |
311 Buffers | |
312 |BufAdd| just after adding a buffer to the buffer list | |
313 |BufCreate| just after adding a buffer to the buffer list | |
314 |BufDelete| before deleting a buffer from the buffer list | |
315 |BufWipeout| before completely deleting a buffer | |
316 | |
317 |BufFilePre| before changing the name of the current buffer | |
318 |BufFilePost| after changing the name of the current buffer | |
319 | |
320 |BufEnter| after entering a buffer | |
321 |BufLeave| before leaving to another buffer | |
322 |BufWinEnter| after a buffer is displayed in a window | |
323 |BufWinLeave| before a buffer is removed from a window | |
324 | |
325 |BufUnload| before unloading a buffer | |
22723 | 326 |BufHidden| just before a buffer becomes hidden |
579 | 327 |BufNew| just after creating a new buffer |
328 | |
329 |SwapExists| detected an existing swap file | |
330 | |
331 Options | |
332 |FileType| when the 'filetype' option has been set | |
333 |Syntax| when the 'syntax' option has been set | |
334 |EncodingChanged| after the 'encoding' option has been changed | |
335 |TermChanged| after the value of 'term' has changed | |
6935 | 336 |OptionSet| after setting any option |
579 | 337 |
338 Startup and exit | |
339 |VimEnter| after doing all the startup stuff | |
340 |GUIEnter| after starting the GUI successfully | |
3830 | 341 |GUIFailed| after starting the GUI failed |
1154 | 342 |TermResponse| after the terminal response to |t_RV| is received |
579 | 343 |
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344 |QuitPre| when using `:quit`, before deciding whether to exit |
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345 |ExitPre| when using a command that may make Vim exit |
579 | 346 |VimLeavePre| before exiting Vim, before writing the viminfo file |
347 |VimLeave| before exiting Vim, after writing the viminfo file | |
348 | |
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349 |VimSuspend| when suspending Vim |
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350 |VimResume| when Vim is resumed after being suspended |
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351 |
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352 Terminal |
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353 |TerminalOpen| after a terminal buffer was created |
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354 |TerminalWinOpen| after a terminal buffer was created in a new window |
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355 |
579 | 356 Various |
357 |FileChangedShell| Vim notices that a file changed since editing started | |
766 | 358 |FileChangedShellPost| After handling a file changed since editing started |
579 | 359 |FileChangedRO| before making the first change to a read-only file |
360 | |
14945 | 361 |DiffUpdated| after diffs have been updated |
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362 |DirChangedPre| before the working directory will change |
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363 |DirChanged| after the working directory has changed |
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364 |
724 | 365 |ShellCmdPost| after executing a shell command |
366 |ShellFilterPost| after filtering with a shell command | |
367 | |
6154 | 368 |CmdUndefined| a user command is used but it isn't defined |
579 | 369 |FuncUndefined| a user function is used but it isn't defined |
650 | 370 |SpellFileMissing| a spell file is used but it can't be found |
716 | 371 |SourcePre| before sourcing a Vim script |
15640 | 372 |SourcePost| after sourcing a Vim script |
1061 | 373 |SourceCmd| before sourcing a Vim script |Cmd-event| |
579 | 374 |
766 | 375 |VimResized| after the Vim window size changed |
579 | 376 |FocusGained| Vim got input focus |
377 |FocusLost| Vim lost input focus | |
378 |CursorHold| the user doesn't press a key for a while | |
661 | 379 |CursorHoldI| the user doesn't press a key for a while in Insert mode |
380 |CursorMoved| the cursor was moved in Normal mode | |
381 |CursorMovedI| the cursor was moved in Insert mode | |
579 | 382 |
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383 |WinNew| after creating a new window |
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384 |TabNew| after creating a new tab page |
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385 |WinClosed| after closing a window |
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386 |TabClosed| after closing a tab page |
579 | 387 |WinEnter| after entering another window |
388 |WinLeave| before leaving a window | |
677 | 389 |TabEnter| after entering another tab page |
390 |TabLeave| before leaving a tab page | |
579 | 391 |CmdwinEnter| after entering the command-line window |
392 |CmdwinLeave| before leaving the command-line window | |
393 | |
13437 | 394 |CmdlineChanged| after a change was made to the command-line text |
395 |CmdlineEnter| after the cursor moves to the command line | |
396 |CmdlineLeave| before the cursor leaves the command line | |
397 | |
579 | 398 |InsertEnter| starting Insert mode |
399 |InsertChange| when typing <Insert> while in Insert or Replace mode | |
400 |InsertLeave| when leaving Insert mode | |
28010 | 401 |InsertLeavePre| just before leaving Insert mode |
2845 | 402 |InsertCharPre| when a character was typed in Insert mode, before |
403 inserting it | |
579 | 404 |
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405 |ModeChanged| after changing the mode |
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406 |
5555 | 407 |TextChanged| after a change was made to the text in Normal mode |
408 |TextChangedI| after a change was made to the text in Insert mode | |
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409 when popup menu is not visible |
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410 |TextChangedP| after a change was made to the text in Insert mode |
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411 when popup menu visible |
14347 | 412 |TextYankPost| after text has been yanked or deleted |
5555 | 413 |
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414 |SafeState| nothing pending, going to wait for the user to type a |
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415 character |
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416 |SafeStateAgain| repeated SafeState |
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417 |
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418 |ColorSchemePre| before loading a color scheme |
579 | 419 |ColorScheme| after loading a color scheme |
420 | |
421 |RemoteReply| a reply from a server Vim was received | |
422 | |
423 |QuickFixCmdPre| before a quickfix command is run | |
424 |QuickFixCmdPost| after a quickfix command is run | |
425 | |
426 |SessionLoadPost| after loading a session file | |
427 | |
428 |MenuPopup| just before showing the popup menu | |
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429 |CompleteChanged| after Insert mode completion menu changed |
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430 |CompleteDonePre| after Insert mode completion is done, before clearing |
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431 info |
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432 |CompleteDone| after Insert mode completion is done, after clearing |
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433 info |
579 | 434 |
435 |User| to be used in combination with ":doautocmd" | |
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436 |SigUSR1| after the SIGUSR1 signal has been detected |
579 | 437 |
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438 |WinScrolled| after scrolling or resizing a window |
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439 |
579 | 440 |
441 The alphabetical list of autocommand events: *autocmd-events-abc* | |
442 | |
443 *BufCreate* *BufAdd* | |
444 BufAdd or BufCreate Just after creating a new buffer which is | |
445 added to the buffer list, or adding a buffer | |
446 to the buffer list. | |
447 Also used just after a buffer in the buffer | |
448 list has been renamed. | |
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449 Not triggered for the initial buffers created |
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450 during startup. |
579 | 451 The BufCreate event is for historic reasons. |
452 NOTE: When this autocommand is executed, the | |
453 current buffer "%" may be different from the | |
454 buffer being created "<afile>". | |
455 *BufDelete* | |
456 BufDelete Before deleting a buffer from the buffer list. | |
457 The BufUnload may be called first (if the | |
458 buffer was loaded). | |
459 Also used just before a buffer in the buffer | |
460 list is renamed. | |
461 NOTE: When this autocommand is executed, the | |
462 current buffer "%" may be different from the | |
1621 | 463 buffer being deleted "<afile>" and "<abuf>". |
1919 | 464 Don't change to another buffer, it will cause |
465 problems. | |
579 | 466 *BufEnter* |
467 BufEnter After entering a buffer. Useful for setting | |
468 options for a file type. Also executed when | |
469 starting to edit a buffer, after the | |
470 BufReadPost autocommands. | |
471 *BufFilePost* | |
472 BufFilePost After changing the name of the current buffer | |
473 with the ":file" or ":saveas" command. | |
625 | 474 *BufFilePre* |
579 | 475 BufFilePre Before changing the name of the current buffer |
476 with the ":file" or ":saveas" command. | |
477 *BufHidden* | |
17261 | 478 BufHidden Just before a buffer becomes hidden. That is, |
479 when there are no longer windows that show | |
579 | 480 the buffer, but the buffer is not unloaded or |
481 deleted. Not used for ":qa" or ":q" when | |
482 exiting Vim. | |
483 NOTE: When this autocommand is executed, the | |
484 current buffer "%" may be different from the | |
485 buffer being unloaded "<afile>". | |
486 *BufLeave* | |
487 BufLeave Before leaving to another buffer. Also when | |
488 leaving or closing the current window and the | |
489 new current window is not for the same buffer. | |
490 Not used for ":qa" or ":q" when exiting Vim. | |
491 *BufNew* | |
492 BufNew Just after creating a new buffer. Also used | |
493 just after a buffer has been renamed. When | |
494 the buffer is added to the buffer list BufAdd | |
495 will be triggered too. | |
496 NOTE: When this autocommand is executed, the | |
497 current buffer "%" may be different from the | |
498 buffer being created "<afile>". | |
7 | 499 *BufNewFile* |
500 BufNewFile When starting to edit a file that doesn't | |
501 exist. Can be used to read in a skeleton | |
502 file. | |
503 *BufRead* *BufReadPost* | |
504 BufRead or BufReadPost When starting to edit a new buffer, after | |
505 reading the file into the buffer, before | |
506 executing the modelines. See |BufWinEnter| | |
507 for when you need to do something after | |
508 processing the modelines. | |
28517 | 509 Also triggered: |
510 - when writing an unnamed buffer in a way that | |
511 the buffer gets a name | |
512 - after successfully recovering a file | |
513 - for the filetypedetect group when executing | |
514 ":filetype detect" | |
515 Not triggered: | |
516 - for the `:read file` command | |
517 - when the file doesn't exist | |
625 | 518 *BufReadCmd* |
7 | 519 BufReadCmd Before starting to edit a new buffer. Should |
520 read the file into the buffer. |Cmd-event| | |
625 | 521 *BufReadPre* *E200* *E201* |
579 | 522 BufReadPre When starting to edit a new buffer, before |
523 reading the file into the buffer. Not used | |
524 if the file doesn't exist. | |
525 *BufUnload* | |
526 BufUnload Before unloading a buffer. This is when the | |
527 text in the buffer is going to be freed. This | |
528 may be after a BufWritePost and before a | |
529 BufDelete. Also used for all buffers that are | |
530 loaded when Vim is going to exit. | |
531 NOTE: When this autocommand is executed, the | |
532 current buffer "%" may be different from the | |
533 buffer being unloaded "<afile>". | |
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534 Don't change to another buffer or window, it |
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535 will cause problems! |
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536 When exiting and v:dying is 2 or more this |
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537 event is not triggered. |
579 | 538 *BufWinEnter* |
539 BufWinEnter After a buffer is displayed in a window. This | |
540 can be when the buffer is loaded (after | |
1621 | 541 processing the modelines) or when a hidden |
579 | 542 buffer is displayed in a window (and is no |
1621 | 543 longer hidden). |
544 Does not happen for |:split| without | |
545 arguments, since you keep editing the same | |
546 buffer, or ":split" with a file that's already | |
1668 | 547 open in a window, because it re-uses an |
548 existing buffer. But it does happen for a | |
549 ":split" with the name of the current buffer, | |
550 since it reloads that buffer. | |
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551 Does not happen for a terminal window, because |
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552 it starts in Terminal-Job mode and Normal mode |
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553 commands won't work. Use |TerminalOpen| instead. |
579 | 554 *BufWinLeave* |
555 BufWinLeave Before a buffer is removed from a window. | |
556 Not when it's still visible in another window. | |
557 Also triggered when exiting. It's triggered | |
558 before BufUnload or BufHidden. | |
559 NOTE: When this autocommand is executed, the | |
560 current buffer "%" may be different from the | |
561 buffer being unloaded "<afile>". | |
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562 When exiting and v:dying is 2 or more this |
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563 event is not triggered. |
579 | 564 *BufWipeout* |
565 BufWipeout Before completely deleting a buffer. The | |
566 BufUnload and BufDelete events may be called | |
567 first (if the buffer was loaded and was in the | |
568 buffer list). Also used just before a buffer | |
569 is renamed (also when it's not in the buffer | |
570 list). | |
571 NOTE: When this autocommand is executed, the | |
572 current buffer "%" may be different from the | |
573 buffer being deleted "<afile>". | |
1919 | 574 Don't change to another buffer, it will cause |
575 problems. | |
7 | 576 *BufWrite* *BufWritePre* |
577 BufWrite or BufWritePre Before writing the whole buffer to a file. | |
578 *BufWriteCmd* | |
579 BufWriteCmd Before writing the whole buffer to a file. | |
580 Should do the writing of the file and reset | |
39 | 581 'modified' if successful, unless '+' is in |
582 'cpo' and writing to another file |cpo-+|. | |
583 The buffer contents should not be changed. | |
3082 | 584 When the command resets 'modified' the undo |
585 information is adjusted to mark older undo | |
586 states as 'modified', like |:write| does. | |
39 | 587 |Cmd-event| |
579 | 588 *BufWritePost* |
589 BufWritePost After writing the whole buffer to a file | |
590 (should undo the commands for BufWritePre). | |
6154 | 591 *CmdUndefined* |
592 CmdUndefined When a user command is used but it isn't | |
593 defined. Useful for defining a command only | |
594 when it's used. The pattern is matched | |
595 against the command name. Both <amatch> and | |
596 <afile> are set to the name of the command. | |
597 NOTE: Autocompletion won't work until the | |
598 command is defined. An alternative is to | |
599 always define the user command and have it | |
600 invoke an autoloaded function. See |autoload|. | |
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601 *CmdlineChanged* |
13437 | 602 CmdlineChanged After a change was made to the text in the |
603 command line. Be careful not to mess up | |
604 the command line, it may cause Vim to lock up. | |
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605 <afile> is set to a single character, |
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606 indicating the type of command-line. |
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607 |cmdwin-char| |
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608 *CmdlineEnter* |
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609 CmdlineEnter After moving the cursor to the command line, |
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610 where the user can type a command or search |
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611 string; including non-interactive use of ":" |
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612 in a mapping, but not when using |<Cmd>|. |
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613 <afile> is set to a single character, |
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614 indicating the type of command-line. |
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615 |cmdwin-char| |
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616 *CmdlineLeave* |
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617 CmdlineLeave Before leaving the command line; including |
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618 non-interactive use of ":" in a mapping, but |
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619 not when using |<Cmd>|. |
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620 Also when abandoning the command line, after |
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621 typing CTRL-C or <Esc>. |
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622 When the commands result in an error the |
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623 command line is still executed. |
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624 <afile> is set to a single character, |
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625 indicating the type of command-line. |
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626 |cmdwin-char| |
579 | 627 *CmdwinEnter* |
628 CmdwinEnter After entering the command-line window. | |
629 Useful for setting options specifically for | |
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630 this special type of window. |
579 | 631 <afile> is set to a single character, |
632 indicating the type of command-line. | |
633 |cmdwin-char| | |
634 *CmdwinLeave* | |
635 CmdwinLeave Before leaving the command-line window. | |
636 Useful to clean up any global setting done | |
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637 with CmdwinEnter. |
579 | 638 <afile> is set to a single character, |
639 indicating the type of command-line. | |
640 |cmdwin-char| | |
641 *ColorScheme* | |
642 ColorScheme After loading a color scheme. |:colorscheme| | |
5521 | 643 The pattern is matched against the |
644 colorscheme name. <afile> can be used for the | |
645 name of the actual file where this option was | |
646 set, and <amatch> for the new colorscheme | |
647 name. | |
648 | |
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649 *ColorSchemePre* |
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650 ColorSchemePre Before loading a color scheme. |:colorscheme| |
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651 Useful to setup removing things added by a |
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652 color scheme, before another one is loaded. |
18130 | 653 CompleteChanged *CompleteChanged* |
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654 After each time the Insert mode completion |
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655 menu changed. Not fired on popup menu hide, |
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656 use |CompleteDonePre| or |CompleteDone| for |
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657 that. Never triggered recursively. |
661 | 658 |
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659 Sets these |v:event| keys: |
16380 | 660 completed_item See |complete-items|. |
16268
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661 height nr of items visible |
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662 width screen cells |
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663 row top screen row |
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664 col leftmost screen column |
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665 size total nr of items |
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666 scrollbar TRUE if visible |
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667 |
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668 It is not allowed to change the text |textlock|. |
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669 |
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670 The size and position of the popup are also |
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671 available by calling |pum_getpos()|. |
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672 |
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673 *CompleteDonePre* |
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674 CompleteDonePre After Insert mode completion is done. Either |
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675 when something was completed or abandoning |
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676 completion. |ins-completion| |
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677 |complete_info()| can be used, the info is |
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678 cleared after triggering CompleteDonePre. |
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679 The |v:completed_item| variable contains |
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680 information about the completed item. |
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681 |
3682 | 682 *CompleteDone* |
683 CompleteDone After Insert mode completion is done. Either | |
684 when something was completed or abandoning | |
685 completion. |ins-completion| | |
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686 |complete_info()| cannot be used, the info is |
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687 cleared before triggering CompleteDone. Use |
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688 CompleteDonePre if you need it. |
6909 | 689 The |v:completed_item| variable contains |
690 information about the completed item. | |
3682 | 691 |
579 | 692 *CursorHold* |
693 CursorHold When the user doesn't press a key for the time | |
22441 | 694 specified with 'updatetime'. Not triggered |
579 | 695 until the user has pressed a key (i.e. doesn't |
696 fire every 'updatetime' ms if you leave Vim to | |
697 make some coffee. :) See |CursorHold-example| | |
698 for previewing tags. | |
699 This event is only triggered in Normal mode. | |
1154 | 700 It is not triggered when waiting for a command |
701 argument to be typed, or a movement after an | |
702 operator. | |
610 | 703 While recording the CursorHold event is not |
704 triggered. |q| | |
6259 | 705 *<CursorHold>* |
706 Internally the autocommand is triggered by the | |
707 <CursorHold> key. In an expression mapping | |
708 |getchar()| may see this character. | |
709 | |
579 | 710 Note: Interactive commands cannot be used for |
711 this event. There is no hit-enter prompt, | |
712 the screen is updated directly (when needed). | |
713 Note: In the future there will probably be | |
714 another option to set the time. | |
715 Hint: to force an update of the status lines | |
716 use: > | |
717 :let &ro = &ro | |
18972 | 718 < {only on Amiga, Unix, Win32 and all GUI |
579 | 719 versions} |
661 | 720 *CursorHoldI* |
721 CursorHoldI Just like CursorHold, but in Insert mode. | |
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722 Not triggered when waiting for another key, |
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723 e.g. after CTRL-V, and not when in CTRL-X mode |
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724 |insert_expand|. |
661 | 725 |
726 *CursorMoved* | |
4911 | 727 CursorMoved After the cursor was moved in Normal or Visual |
728 mode. Also when the text of the cursor line | |
729 has been changed, e.g., with "x", "rx" or "p". | |
28246 | 730 Not always triggered when there is typeahead, |
731 while executing commands in a script file, | |
732 when an operator is pending or when moving to | |
25161 | 733 another window while remaining at the same |
734 cursor position. | |
667 | 735 For an example see |match-parens|. |
16023 | 736 Note: This can not be skipped with |
737 `:noautocmd`. | |
4264 | 738 Careful: This is triggered very often, don't |
739 do anything that the user does not expect or | |
740 that is slow. | |
661 | 741 *CursorMovedI* |
742 CursorMovedI After the cursor was moved in Insert mode. | |
3082 | 743 Not triggered when the popup menu is visible. |
661 | 744 Otherwise the same as CursorMoved. |
28517 | 745 *DiffUpdated* |
746 DiffUpdated After diffs have been updated. Depending on | |
747 what kind of diff is being used (internal or | |
748 external) this can be triggered on every | |
749 change or when doing |:diffupdate|. | |
750 *DirChangedPre* | |
751 DirChangedPre The working directory is going to be changed, | |
752 as with |DirChanged|. The pattern is like | |
753 with |DirChanged|. The new directory can be | |
754 found in v:event.directory. | |
755 *DirChanged* | |
756 DirChanged The working directory has changed in response | |
757 to the |:cd| or |:tcd| or |:lcd| commands, or | |
758 as a result of the 'autochdir' option. | |
759 The pattern can be: | |
760 "window" to trigger on `:lcd` | |
761 "tabpage" to trigger on `:tcd` | |
762 "global" to trigger on `:cd` | |
763 "auto" to trigger on 'autochdir'. | |
764 "drop" to trigger on editing a file | |
765 <afile> is set to the new directory name. | |
579 | 766 *EncodingChanged* |
767 EncodingChanged Fires off after the 'encoding' option has been | |
768 changed. Useful to set up fonts, for example. | |
28517 | 769 *ExitPre* |
770 ExitPre When using `:quit`, `:wq` in a way it makes | |
771 Vim exit, or using `:qall`, just after | |
772 |QuitPre|. Can be used to close any | |
773 non-essential window. Exiting may still be | |
774 cancelled if there is a modified buffer that | |
775 isn't automatically saved, use |VimLeavePre| | |
776 for really exiting. | |
7 | 777 *FileAppendCmd* |
778 FileAppendCmd Before appending to a file. Should do the | |
26 | 779 appending to the file. Use the '[ and '] |
25973 | 780 marks for the range of lines. |Cmd-event| |
579 | 781 *FileAppendPost* |
782 FileAppendPost After appending to a file. | |
783 *FileAppendPre* | |
784 FileAppendPre Before appending to a file. Use the '[ and '] | |
785 marks for the range of lines. | |
786 *FileChangedRO* | |
787 FileChangedRO Before making the first change to a read-only | |
788 file. Can be used to check-out the file from | |
789 a source control system. Not triggered when | |
790 the change was caused by an autocommand. | |
791 This event is triggered when making the first | |
792 change in a buffer or the first change after | |
823 | 793 'readonly' was set, just before the change is |
794 applied to the text. | |
579 | 795 WARNING: If the autocommand moves the cursor |
796 the effect of the change is undefined. | |
819 | 797 *E788* |
798 It is not allowed to change to another buffer | |
799 here. You can reload the buffer but not edit | |
800 another one. | |
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801 *E881* |
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802 If the number of lines changes saving for undo |
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803 may fail and the change will be aborted. |
7 | 804 *FileChangedShell* |
805 FileChangedShell When Vim notices that the modification time of | |
806 a file has changed since editing started. | |
807 Also when the file attributes of the file | |
5908 | 808 change or when the size of the file changes. |
809 |timestamp| | |
7 | 810 Mostly triggered after executing a shell |
811 command, but also with a |:checktime| command | |
11473 | 812 or when gvim regains input focus. |
7 | 813 This autocommand is triggered for each changed |
814 file. It is not used when 'autoread' is set | |
815 and the buffer was not changed. If a | |
816 FileChangedShell autocommand is present the | |
817 warning message and prompt is not given. | |
179 | 818 The |v:fcs_reason| variable is set to indicate |
819 what happened and |v:fcs_choice| can be used | |
820 to tell Vim what to do next. | |
7 | 821 NOTE: When this autocommand is executed, the |
822 current buffer "%" may be different from the | |
11347 | 823 buffer that was changed, which is in "<afile>". |
7 | 824 NOTE: The commands must not change the current |
825 buffer, jump to another buffer or delete a | |
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826 buffer. *E246* *E811* |
7 | 827 NOTE: This event never nests, to avoid an |
828 endless loop. This means that while executing | |
829 commands for the FileChangedShell event no | |
830 other FileChangedShell event will be | |
831 triggered. | |
766 | 832 *FileChangedShellPost* |
833 FileChangedShellPost After handling a file that was changed outside | |
834 of Vim. Can be used to update the statusline. | |
579 | 835 *FileEncoding* |
836 FileEncoding Obsolete. It still works and is equivalent | |
837 to |EncodingChanged|. | |
838 *FileReadCmd* | |
839 FileReadCmd Before reading a file with a ":read" command. | |
840 Should do the reading of the file. |Cmd-event| | |
841 *FileReadPost* | |
842 FileReadPost After reading a file with a ":read" command. | |
843 Note that Vim sets the '[ and '] marks to the | |
844 first and last line of the read. This can be | |
845 used to operate on the lines just read. | |
846 *FileReadPre* | |
847 FileReadPre Before reading a file with a ":read" command. | |
848 *FileType* | |
1154 | 849 FileType When the 'filetype' option has been set. The |
850 pattern is matched against the filetype. | |
579 | 851 <afile> can be used for the name of the file |
852 where this option was set, and <amatch> for | |
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853 the new value of 'filetype'. Navigating to |
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|
854 another window or buffer is not allowed. |
579 | 855 See |filetypes|. |
856 *FileWriteCmd* | |
857 FileWriteCmd Before writing to a file, when not writing the | |
858 whole buffer. Should do the writing to the | |
859 file. Should not change the buffer. Use the | |
860 '[ and '] marks for the range of lines. | |
861 |Cmd-event| | |
862 *FileWritePost* | |
863 FileWritePost After writing to a file, when not writing the | |
864 whole buffer. | |
865 *FileWritePre* | |
866 FileWritePre Before writing to a file, when not writing the | |
867 whole buffer. Use the '[ and '] marks for the | |
868 range of lines. | |
869 *FilterReadPost* | |
870 FilterReadPost After reading a file from a filter command. | |
871 Vim checks the pattern against the name of | |
872 the current buffer as with FilterReadPre. | |
873 Not triggered when 'shelltemp' is off. | |
874 *FilterReadPre* *E135* | |
875 FilterReadPre Before reading a file from a filter command. | |
876 Vim checks the pattern against the name of | |
877 the current buffer, not the name of the | |
878 temporary file that is the output of the | |
879 filter command. | |
880 Not triggered when 'shelltemp' is off. | |
881 *FilterWritePost* | |
882 FilterWritePost After writing a file for a filter command or | |
15334 | 883 making a diff with an external diff (see |
25973 | 884 |DiffUpdated| for internal diff). |
579 | 885 Vim checks the pattern against the name of |
886 the current buffer as with FilterWritePre. | |
887 Not triggered when 'shelltemp' is off. | |
888 *FilterWritePre* | |
889 FilterWritePre Before writing a file for a filter command or | |
15334 | 890 making a diff with an external diff. |
579 | 891 Vim checks the pattern against the name of |
892 the current buffer, not the name of the | |
893 temporary file that is the output of the | |
894 filter command. | |
895 Not triggered when 'shelltemp' is off. | |
7 | 896 *FocusGained* |
897 FocusGained When Vim got input focus. Only for the GUI | |
898 version and a few console versions where this | |
899 can be detected. | |
900 *FocusLost* | |
901 FocusLost When Vim lost input focus. Only for the GUI | |
902 version and a few console versions where this | |
11 | 903 can be detected. May also happen when a |
904 dialog pops up. | |
7 | 905 *FuncUndefined* |
906 FuncUndefined When a user function is used but it isn't | |
907 defined. Useful for defining a function only | |
1154 | 908 when it's used. The pattern is matched |
909 against the function name. Both <amatch> and | |
910 <afile> are set to the name of the function. | |
23305 | 911 Not triggered when compiling a |Vim9| |
912 function. | |
6154 | 913 NOTE: When writing Vim scripts a better |
914 alternative is to use an autoloaded function. | |
161 | 915 See |autoload-functions|. |
579 | 916 *GUIEnter* |
917 GUIEnter After starting the GUI successfully, and after | |
918 opening the window. It is triggered before | |
919 VimEnter when using gvim. Can be used to | |
920 position the window from a .gvimrc file: > | |
921 :autocmd GUIEnter * winpos 100 50 | |
1154 | 922 < *GUIFailed* |
923 GUIFailed After starting the GUI failed. Vim may | |
924 continue to run in the terminal, if possible | |
925 (only on Unix and alikes, when connecting the | |
926 X server fails). You may want to quit Vim: > | |
927 :autocmd GUIFailed * qall | |
579 | 928 < *InsertChange* |
929 InsertChange When typing <Insert> while in Insert or | |
930 Replace mode. The |v:insertmode| variable | |
931 indicates the new mode. | |
932 Be careful not to move the cursor or do | |
933 anything else that the user does not expect. | |
2845 | 934 *InsertCharPre* |
935 InsertCharPre When a character is typed in Insert mode, | |
936 before inserting the char. | |
937 The |v:char| variable indicates the char typed | |
938 and can be changed during the event to insert | |
939 a different character. When |v:char| is set | |
940 to more than one character this text is | |
941 inserted literally. | |
942 It is not allowed to change the text |textlock|. | |
943 The event is not triggered when 'paste' is | |
13437 | 944 set. {only with the +eval feature} |
579 | 945 *InsertEnter* |
1154 | 946 InsertEnter Just before starting Insert mode. Also for |
947 Replace mode and Virtual Replace mode. The | |
579 | 948 |v:insertmode| variable indicates the mode. |
4448 | 949 Be careful not to do anything else that the |
950 user does not expect. | |
951 The cursor is restored afterwards. If you do | |
952 not want that set |v:char| to a non-empty | |
953 string. | |
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954 *InsertLeavePre* |
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955 InsertLeavePre Just before leaving Insert mode. Also when |
22723 | 956 using CTRL-O |i_CTRL-O|. Be careful not to |
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957 change mode or use `:normal`, it will likely |
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958 cause trouble. |
579 | 959 *InsertLeave* |
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960 InsertLeave Just after leaving Insert mode. Also when |
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961 using CTRL-O |i_CTRL-O|. But not for |i_CTRL-C|. |
579 | 962 *MenuPopup* |
963 MenuPopup Just before showing the popup menu (under the | |
964 right mouse button). Useful for adjusting the | |
965 menu for what is under the cursor or mouse | |
966 pointer. | |
14952
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967 The pattern is matched against one or two |
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968 characters representing the mode: |
579 | 969 n Normal |
970 v Visual | |
971 o Operator-pending | |
972 i Insert | |
843 | 973 c Command line |
14952
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974 tl Terminal |
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975 *ModeChanged* |
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976 ModeChanged After changing the mode. The pattern is |
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977 matched against `'old_mode:new_mode'`, for |
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978 example match against `*:c*` to simulate |
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979 |CmdlineEnter|. |
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980 The following values of |v:event| are set: |
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981 old_mode The mode before it changed. |
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982 new_mode The new mode as also returned |
26042
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983 by |mode()| called with a |
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984 non-zero argument. |
25790
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985 When ModeChanged is triggered, old_mode will |
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986 have the value of new_mode when the event was |
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987 last triggered. |
26042
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988 This will be triggered on every minor mode |
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989 change. |
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990 Usage example to use relative line numbers |
25880 | 991 when entering Visual mode: > |
26042
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992 :au ModeChanged [vV\x16]*:* let &l:rnu = mode() =~# '^[vV\x16]' |
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993 :au ModeChanged *:[vV\x16]* let &l:rnu = mode() =~# '^[vV\x16]' |
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994 :au WinEnter,WinLeave * let &l:rnu = mode() =~# '^[vV\x16]' |
25790
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995 < *OptionSet* |
6935 | 996 OptionSet After setting an option. The pattern is |
997 matched against the long option name. | |
17085
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998 |<amatch>| indicates what option has been set. |
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999 |
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1000 |v:option_type| indicates whether it's global |
17161 | 1001 or local scoped. |
17085
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1002 |v:option_command| indicates what type of |
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1003 set/let command was used (follow the tag to |
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1004 see the table). |
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1005 |v:option_new| indicates the newly set value. |
17161 | 1006 |v:option_oldlocal| has the old local value. |
1007 |v:option_oldglobal| has the old global value. | |
17085
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1008 |v:option_old| indicates the old option value. |
6935 | 1009 |
17085
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1010 |v:option_oldlocal| is only set when |:set| |
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1011 or |:setlocal| or a |modeline| was used to set |
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1012 the option. Similarly |v:option_oldglobal| is |
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1013 only set when |:set| or |:setglobal| was used. |
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1014 |
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1015 Note that when setting a |global-local| string |
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1016 option with |:set|, then |v:option_old| is the |
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1017 old global value. However, for all other kinds |
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1018 of options (local string options, global-local |
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1019 number options, ...) it is the old local |
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1020 value. |
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1021 |
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1022 OptionSet is not triggered on startup and for |
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1023 the 'key' option for obvious reasons. |
6935 | 1024 |
6951
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1025 Usage example: Check for the existence of the |
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1026 directory in the 'backupdir' and 'undodir' |
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1027 options, create the directory if it doesn't |
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1028 exist yet. |
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1029 |
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1030 Note: It's a bad idea to reset an option |
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1031 during this autocommand, this may break a |
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1032 plugin. You can always use `:noa` to prevent |
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1033 triggering this autocommand. |
6935 | 1034 |
14864 | 1035 When using |:set| in the autocommand the event |
1036 is not triggered again. | |
579 | 1037 *QuickFixCmdPre* |
1038 QuickFixCmdPre Before a quickfix command is run (|:make|, | |
657 | 1039 |:lmake|, |:grep|, |:lgrep|, |:grepadd|, |
1040 |:lgrepadd|, |:vimgrep|, |:lvimgrep|, | |
3281 | 1041 |:vimgrepadd|, |:lvimgrepadd|, |:cscope|, |
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1042 |:cfile|, |:cgetfile|, |:caddfile|, |:lfile|, |
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1043 |:lgetfile|, |:laddfile|, |:helpgrep|, |
10140
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1044 |:lhelpgrep|, |:cexpr|, |:cgetexpr|, |
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1045 |:caddexpr|, |:cbuffer|, |:cgetbuffer|, |
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1046 |:caddbuffer|). |
2151
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1047 The pattern is matched against the command |
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1048 being run. When |:grep| is used but 'grepprg' |
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1049 is set to "internal" it still matches "grep". |
579 | 1050 This command cannot be used to set the |
1051 'makeprg' and 'grepprg' variables. | |
1052 If this command causes an error, the quickfix | |
1053 command is not executed. | |
1054 *QuickFixCmdPost* | |
1055 QuickFixCmdPost Like QuickFixCmdPre, but after a quickfix | |
842 | 1056 command is run, before jumping to the first |
3404 | 1057 location. For |:cfile| and |:lfile| commands |
1058 it is run after error file is read and before | |
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1059 moving to the first error. |
3404 | 1060 See |QuickFixCmdPost-example|. |
3682 | 1061 *QuitPre* |
4229 | 1062 QuitPre When using `:quit`, `:wq` or `:qall`, before |
1063 deciding whether it closes the current window | |
24751 | 1064 or quits Vim. For `:wq` the buffer is written |
1065 before QuitPre is triggered. Can be used to | |
1066 close any non-essential window if the current | |
1067 window is the last ordinary window. | |
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1068 Also see |ExitPre|. |
579 | 1069 *RemoteReply* |
1070 RemoteReply When a reply from a Vim that functions as | |
1154 | 1071 server was received |server2client()|. The |
1072 pattern is matched against the {serverid}. | |
579 | 1073 <amatch> is equal to the {serverid} from which |
1074 the reply was sent, and <afile> is the actual | |
1075 reply string. | |
1076 Note that even if an autocommand is defined, | |
1077 the reply should be read with |remote_read()| | |
1078 to consume it. | |
18098
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1079 *SafeState* |
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1080 SafeState When nothing is pending, going to wait for the |
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1081 user to type a character. |
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1082 This will not be triggered when: |
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1083 - an operator is pending |
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1084 - a register was entered with "r |
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1085 - halfway executing a command |
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1086 - executing a mapping |
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1087 - there is typeahead |
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1088 - Insert mode completion is active |
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1089 - Command line completion is active |
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1090 You can use `mode()` to find out what state |
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1091 Vim is in. That may be: |
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1092 - VIsual mode |
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1093 - Normal mode |
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1094 - Insert mode |
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1095 - Command-line mode |
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1096 Depending on what you want to do, you may also |
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1097 check more with `state()`, e.g. whether the |
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1098 screen was scrolled for messages. |
18102
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1099 *SafeStateAgain* |
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1100 SafeStateAgain Like SafeState but after processing any |
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1101 messages and invoking callbacks. This may be |
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1102 triggered often, don't do something that takes |
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1103 time. |
18098
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1104 |
579 | 1105 *SessionLoadPost* |
1106 SessionLoadPost After loading the session file created using | |
1107 the |:mksession| command. | |
724 | 1108 *ShellCmdPost* |
1109 ShellCmdPost After executing a shell command with |:!cmd|, | |
1110 |:shell|, |:make| and |:grep|. Can be used to | |
1111 check for any changed files. | |
1112 *ShellFilterPost* | |
1113 ShellFilterPost After executing a shell command with | |
1114 ":{range}!cmd", ":w !cmd" or ":r !cmd". | |
1115 Can be used to check for any changed files. | |
716 | 1116 *SourcePre* |
1117 SourcePre Before sourcing a Vim script. |:source| | |
1061 | 1118 <afile> is the name of the file being sourced. |
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1119 *SourcePost* |
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1120 SourcePost After sourcing a Vim script. |:source| |
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1121 <afile> is the name of the file being sourced. |
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|
1122 Not triggered when sourcing was interrupted. |
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1123 Also triggered after a SourceCmd autocommand |
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1124 was triggered. |
1061 | 1125 *SourceCmd* |
1126 SourceCmd When sourcing a Vim script. |:source| | |
1127 <afile> is the name of the file being sourced. | |
1128 The autocommand must source this file. | |
1129 |Cmd-event| | |
650 | 1130 *SpellFileMissing* |
1131 SpellFileMissing When trying to load a spell checking file and | |
1061 | 1132 it can't be found. The pattern is matched |
1133 against the language. <amatch> is the | |
1134 language, 'encoding' also matters. See | |
650 | 1135 |spell-SpellFileMissing|. |
579 | 1136 *StdinReadPost* |
1137 StdinReadPost After reading from the stdin into the buffer, | |
1138 before executing the modelines. Only used | |
1139 when the "-" argument was used when Vim was | |
1140 started |--|. | |
1141 *StdinReadPre* | |
1142 StdinReadPre Before reading from stdin into the buffer. | |
1143 Only used when the "-" argument was used when | |
1144 Vim was started |--|. | |
1145 *SwapExists* | |
1146 SwapExists Detected an existing swap file when starting | |
1147 to edit a file. Only when it is possible to | |
1148 select a way to handle the situation, when Vim | |
1149 would ask the user what to do. | |
1150 The |v:swapname| variable holds the name of | |
590 | 1151 the swap file found, <afile> the file being |
1152 edited. |v:swapcommand| may contain a command | |
1153 to be executed in the opened file. | |
1154 The commands should set the |v:swapchoice| | |
1155 variable to a string with one character to | |
1156 tell Vim what should be done next: | |
579 | 1157 'o' open read-only |
1158 'e' edit the file anyway | |
1159 'r' recover | |
1160 'd' delete the swap file | |
1161 'q' quit, don't edit the file | |
1162 'a' abort, like hitting CTRL-C | |
1163 When set to an empty string the user will be | |
1164 asked, as if there was no SwapExists autocmd. | |
1919 | 1165 *E812* |
1166 It is not allowed to change to another buffer, | |
1167 change a buffer name or change directory | |
1168 here. | |
13437 | 1169 {only available with the +eval feature} |
579 | 1170 *Syntax* |
1154 | 1171 Syntax When the 'syntax' option has been set. The |
1172 pattern is matched against the syntax name. | |
579 | 1173 <afile> can be used for the name of the file |
1174 where this option was set, and <amatch> for | |
1175 the new value of 'syntax'. | |
1176 See |:syn-on|. | |
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1177 *TabClosed* |
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|
1178 TabClosed After closing a tab page. |
677 | 1179 *TabEnter* |
1180 TabEnter Just after entering a tab page. |tab-page| | |
872 | 1181 After triggering the WinEnter and before |
1182 triggering the BufEnter event. | |
677 | 1183 *TabLeave* |
1184 TabLeave Just before leaving a tab page. |tab-page| | |
1185 A WinLeave event will have been triggered | |
1186 first. | |
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1187 *TabNew* |
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|
1188 TabNew When a tab page was created. |tab-page| |
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1189 A WinEnter event will have been triggered |
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|
1190 first, TabEnter follows. |
579 | 1191 *TermChanged* |
1192 TermChanged After the value of 'term' has changed. Useful | |
1193 for re-loading the syntax file to update the | |
1194 colors, fonts and other terminal-dependent | |
1195 settings. Executed for all loaded buffers. | |
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1196 *TerminalOpen* |
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|
1197 TerminalOpen Just after a terminal buffer was created, with |
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|
1198 `:terminal` or |term_start()|. This event is |
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|
1199 triggered even if the buffer is created |
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|
1200 without a window, with the ++hidden option. |
18450
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1201 *TerminalWinOpen* |
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1202 TerminalWinOpen Just after a terminal buffer was created, with |
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|
1203 `:terminal` or |term_start()|. This event is |
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|
1204 triggered only if the buffer is created |
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1205 with a window. Can be used to set window |
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1206 local options for the terminal window. |
579 | 1207 *TermResponse* |
1208 TermResponse After the response to |t_RV| is received from | |
1209 the terminal. The value of |v:termresponse| | |
1210 can be used to do things depending on the | |
2788 | 1211 terminal version. Note that this event may be |
1212 triggered halfway executing another event, | |
1213 especially if file I/O, a shell command or | |
1214 anything else that takes time is involved. | |
4264 | 1215 *TextChanged* |
1216 TextChanged After a change was made to the text in the | |
15512 | 1217 current buffer in Normal mode. That is after |
1218 |b:changedtick| has changed (also when that | |
1219 happened before the TextChanged autocommand | |
1220 was defined). | |
4264 | 1221 Not triggered when there is typeahead or when |
1222 an operator is pending. | |
16023 | 1223 Note: This can not be skipped with |
1224 `:noautocmd`. | |
4264 | 1225 Careful: This is triggered very often, don't |
1226 do anything that the user does not expect or | |
1227 that is slow. | |
1228 *TextChangedI* | |
1229 TextChangedI After a change was made to the text in the | |
1230 current buffer in Insert mode. | |
1231 Not triggered when the popup menu is visible. | |
1232 Otherwise the same as TextChanged. | |
13240
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1233 *TextChangedP* |
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1234 TextChangedP After a change was made to the text in the |
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|
1235 current buffer in Insert mode, only when the |
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|
1236 popup menu is visible. Otherwise the same as |
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1237 TextChanged. |
13051 | 1238 *TextYankPost* |
13037
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|
1239 TextYankPost After text has been yanked or deleted in the |
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1240 current buffer. The following values of |
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|
1241 |v:event| can be used to determine the operation |
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1242 that triggered this autocmd: |
28384
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1243 inclusive TRUE if the motion is |
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1244 |inclusive| else the motion is |
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|
1245 |exclusive|. |
18130 | 1246 operator The operation performed. |
1247 regcontents Text that was stored in the | |
13037
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1248 register, as a list of lines, |
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1249 like with: > |
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1250 getreg(r, 1, 1) |
25973 | 1251 < regname Name of the register or empty |
1252 string for the unnamed | |
1253 register, see |registers|. | |
13037
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1254 regtype Type of the register, see |
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1255 |getregtype()|. |
20824
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1256 visual True if the operation is |
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1257 performed on a |Visual| area. |
13037
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1258 Not triggered when |quote_| is used nor when |
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1259 called recursively. |
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1260 It is not allowed to change the buffer text, |
27321 | 1261 see |textlock|. *E1064* |
13437 | 1262 {only when compiled with the +eval feature} |
20800
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1263 |
579 | 1264 *User* |
1265 User Never executed automatically. To be used for | |
1266 autocommands that are only executed with | |
1267 ":doautocmd". | |
13735 | 1268 Note that when `:doautocmd User MyEvent` is |
1269 used while there are no matching autocommands, | |
1270 you will get an error. If you don't want | |
28375
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1271 that, either check whether an autocommand is |
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1272 defined using `exists('#User#MyEvent')` or |
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1273 define a dummy autocommand yourself. |
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1274 Example: > |
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1275 if exists('#User#MyEvent') |
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1276 doautocmd User MyEvent |
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1277 endif |
20800
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1278 |
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1279 *SigUSR1* |
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|
1280 SigUSR1 After the SIGUSR1 signal has been detected. |
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1281 Could be used if other ways of notifying Vim |
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|
1282 are not feasible. E.g. to check for the |
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1283 result of a build that takes a long time, or |
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1284 when a motion sensor is triggered. |
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1285 {only on Unix} |
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1286 |
579 | 1287 *UserGettingBored* |
4264 | 1288 UserGettingBored When the user presses the same key 42 times. |
1289 Just kidding! :-) | |
579 | 1290 *VimEnter* |
1291 VimEnter After doing all the startup stuff, including | |
1292 loading .vimrc files, executing the "-c cmd" | |
1293 arguments, creating all windows and loading | |
1294 the buffers in them. | |
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1295 Just before this event is triggered the |
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1296 |v:vim_did_enter| variable is set, so that you |
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1297 can do: > |
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1298 if v:vim_did_enter |
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1299 call s:init() |
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1300 else |
18130 | 1301 au VimEnter * call s:init() |
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1302 endif |
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1303 < *VimLeave* |
579 | 1304 VimLeave Before exiting Vim, just after writing the |
1305 .viminfo file. Executed only once, like | |
1306 VimLeavePre. | |
1307 To detect an abnormal exit use |v:dying|. | |
2226
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1308 When v:dying is 2 or more this event is not |
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1309 triggered. |
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1310 To get the exit code use |v:exiting|. |
579 | 1311 *VimLeavePre* |
1312 VimLeavePre Before exiting Vim, just before writing the | |
1313 .viminfo file. This is executed only once, | |
1314 if there is a match with the name of what | |
1315 happens to be the current buffer when exiting. | |
1316 Mostly useful with a "*" pattern. > | |
1317 :autocmd VimLeavePre * call CleanupStuff() | |
1318 < To detect an abnormal exit use |v:dying|. | |
2226
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1319 When v:dying is 2 or more this event is not |
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1320 triggered. |
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1321 To get the exit code use |v:exiting|. |
766 | 1322 *VimResized* |
1323 VimResized After the Vim window was resized, thus 'lines' | |
1324 and/or 'columns' changed. Not when starting | |
1325 up though. | |
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1326 *VimResume* |
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1327 VimResume When the Vim instance is resumed after being |
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1328 suspended and |VimSuspend| was triggered. |
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1329 Useful for triggering |:checktime| and ensure |
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1330 the buffers content did not change while Vim |
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1331 was suspended: > |
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1332 :autocmd VimResume * checktime |
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1333 < *VimSuspend* |
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1334 VimSuspend When the Vim instance is suspended. Only when |
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1335 CTRL-Z was typed inside Vim, or when the SIGTSTP |
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1336 signal was sent to Vim, but not for SIGSTOP. |
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1337 *WinClosed* |
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1338 WinClosed After closing a window. The pattern is |
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1339 matched against the |window-ID|. Both |
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1340 <amatch> and <afile> are set to the |
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1341 |window-ID|. Non-recursive (event cannot |
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1342 trigger itself). |
7 | 1343 *WinEnter* |
1344 WinEnter After entering another window. Not done for | |
1345 the first window, when Vim has just started. | |
1346 Useful for setting the window height. | |
1347 If the window is for another buffer, Vim | |
1348 executes the BufEnter autocommands after the | |
1349 WinEnter autocommands. | |
13735 | 1350 Note: For split and tabpage commands the |
1351 WinEnter event is triggered after the split | |
1352 or tab command but before the file is loaded. | |
1353 | |
7 | 1354 *WinLeave* |
1355 WinLeave Before leaving a window. If the window to be | |
1356 entered next is for a different buffer, Vim | |
1357 executes the BufLeave autocommands before the | |
1358 WinLeave autocommands (but not for ":new"). | |
1359 Not used for ":qa" or ":q" when exiting Vim. | |
1360 | |
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1361 *WinNew* |
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1362 WinNew When a new window was created. Not done for |
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1363 the first window, when Vim has just started. |
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1364 Before a WinEnter event. |
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1365 |
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1366 *WinScrolled* |
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1367 WinScrolled After scrolling the content of a window or |
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1368 resizing a window. |
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1369 The pattern is matched against the |
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1370 |window-ID|. Both <amatch> and <afile> are |
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1371 set to the |window-ID|. |
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1372 Non-recursive (the event cannot trigger |
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1373 itself). However, if the command causes the |
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1374 window to scroll or change size another |
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1375 WinScrolled event will be triggered later. |
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1376 Does not trigger when the command is added, |
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1377 only after the first scroll or resize. |
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1378 |
7 | 1379 ============================================================================== |
27162 | 1380 6. Patterns *autocmd-patterns* *{aupat}* |
7 | 1381 |
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1382 The {aupat} argument of `:autocmd` can be a comma-separated list. This works as |
27162 | 1383 if the command was given with each pattern separately. Thus this command: > |
6741 | 1384 :autocmd BufRead *.txt,*.info set et |
1385 Is equivalent to: > | |
1386 :autocmd BufRead *.txt set et | |
1387 :autocmd BufRead *.info set et | |
1388 | |
27162 | 1389 The file pattern {aupat} is tested for a match against the file name in one of |
7 | 1390 two ways: |
1391 1. When there is no '/' in the pattern, Vim checks for a match against only | |
1392 the tail part of the file name (without its leading directory path). | |
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1393 2. When there is a '/' in the pattern, Vim checks for a match against both the |
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1394 short file name (as you typed it) and the full file name (after expanding |
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1395 it to a full path and resolving symbolic links). |
7 | 1396 |
40 | 1397 The special pattern <buffer> or <buffer=N> is used for buffer-local |
1398 autocommands |autocmd-buflocal|. This pattern is not matched against the name | |
1399 of a buffer. | |
1400 | |
7 | 1401 Examples: > |
1402 :autocmd BufRead *.txt set et | |
1403 Set the 'et' option for all text files. > | |
1404 | |
1405 :autocmd BufRead /vim/src/*.c set cindent | |
1406 Set the 'cindent' option for C files in the /vim/src directory. > | |
1407 | |
1408 :autocmd BufRead /tmp/*.c set ts=5 | |
1409 If you have a link from "/tmp/test.c" to "/home/nobody/vim/src/test.c", and | |
1410 you start editing "/tmp/test.c", this autocommand will match. | |
1411 | |
1412 Note: To match part of a path, but not from the root directory, use a '*' as | |
1413 the first character. Example: > | |
1414 :autocmd BufRead */doc/*.txt set tw=78 | |
1415 This autocommand will for example be executed for "/tmp/doc/xx.txt" and | |
1416 "/usr/home/piet/doc/yy.txt". The number of directories does not matter here. | |
1417 | |
1418 | |
1419 The file name that the pattern is matched against is after expanding | |
1621 | 1420 wildcards. Thus if you issue this command: > |
7 | 1421 :e $ROOTDIR/main.$EXT |
1422 The argument is first expanded to: > | |
1423 /usr/root/main.py | |
1424 Before it's matched with the pattern of the autocommand. Careful with this | |
1425 when using events like FileReadCmd, the value of <amatch> may not be what you | |
1426 expect. | |
1427 | |
1428 | |
1429 Environment variables can be used in a pattern: > | |
1430 :autocmd BufRead $VIMRUNTIME/doc/*.txt set expandtab | |
1431 And ~ can be used for the home directory (if $HOME is defined): > | |
1432 :autocmd BufWritePost ~/.vimrc so ~/.vimrc | |
1433 :autocmd BufRead ~archive/* set readonly | |
1434 The environment variable is expanded when the autocommand is defined, not when | |
1435 the autocommand is executed. This is different from the command! | |
1436 | |
1437 *file-pattern* | |
1438 The pattern is interpreted like mostly used in file names: | |
5294 | 1439 * matches any sequence of characters; Unusual: includes path |
5277 | 1440 separators |
7 | 1441 ? matches any single character |
1442 \? matches a '?' | |
1443 . matches a '.' | |
1444 ~ matches a '~' | |
1445 , separates patterns | |
1446 \, matches a ',' | |
1447 { } like \( \) in a |pattern| | |
1448 , inside { }: like \| in a |pattern| | |
5259
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1449 \} literal } |
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1450 \{ literal { |
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1451 \\\{n,m\} like \{n,m} in a |pattern| |
7 | 1452 \ special meaning like in a |pattern| |
1453 [ch] matches 'c' or 'h' | |
1454 [^ch] match any character but 'c' and 'h' | |
1455 | |
1456 Note that for all systems the '/' character is used for path separator (even | |
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1457 for MS-Windows). This was done because the backslash is difficult to use in a |
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1458 pattern and to make the autocommands portable across different systems. |
7 | 1459 |
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1460 It is possible to use |pattern| items, but they may not work as expected, |
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1461 because of the translation done for the above. |
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1462 |
40 | 1463 *autocmd-changes* |
7 | 1464 Matching with the pattern is done when an event is triggered. Changing the |
1465 buffer name in one of the autocommands, or even deleting the buffer, does not | |
1466 change which autocommands will be executed. Example: > | |
1467 | |
1468 au BufEnter *.foo bdel | |
1469 au BufEnter *.foo set modified | |
1470 | |
1471 This will delete the current buffer and then set 'modified' in what has become | |
1472 the current buffer instead. Vim doesn't take into account that "*.foo" | |
1473 doesn't match with that buffer name. It matches "*.foo" with the name of the | |
1474 buffer at the moment the event was triggered. | |
1475 | |
40 | 1476 However, buffer-local autocommands will not be executed for a buffer that has |
1477 been wiped out with |:bwipe|. After deleting the buffer with |:bdel| the | |
1478 buffer actually still exists (it becomes unlisted), thus the autocommands are | |
1479 still executed. | |
1480 | |
7 | 1481 ============================================================================== |
856 | 1482 7. Buffer-local autocommands *autocmd-buflocal* *autocmd-buffer-local* |
1483 *<buffer=N>* *<buffer=abuf>* *E680* | |
40 | 1484 |
1485 Buffer-local autocommands are attached to a specific buffer. They are useful | |
1486 if the buffer does not have a name and when the name does not match a specific | |
1487 pattern. But it also means they must be explicitly added to each buffer. | |
1488 | |
1489 Instead of a pattern buffer-local autocommands use one of these forms: | |
1490 <buffer> current buffer | |
1491 <buffer=99> buffer number 99 | |
1492 <buffer=abuf> using <abuf> (only when executing autocommands) | |
1493 |<abuf>| | |
1494 | |
1495 Examples: > | |
1496 :au CursorHold <buffer> echo 'hold' | |
1497 :au CursorHold <buffer=33> echo 'hold' | |
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1498 :au BufNewFile * au CursorHold <buffer=abuf> echo 'hold' |
40 | 1499 |
1500 All the commands for autocommands also work with buffer-local autocommands, | |
1501 simply use the special string instead of the pattern. Examples: > | |
856 | 1502 :au! * <buffer> " remove buffer-local autocommands for |
1503 " current buffer | |
1504 :au! * <buffer=33> " remove buffer-local autocommands for | |
1505 " buffer #33 | |
1621 | 1506 :bufdo :au! CursorHold <buffer> " remove autocmd for given event for all |
856 | 1507 " buffers |
1508 :au * <buffer> " list buffer-local autocommands for | |
1509 " current buffer | |
40 | 1510 |
1511 Note that when an autocommand is defined for the current buffer, it is stored | |
1512 with the buffer number. Thus it uses the form "<buffer=12>", where 12 is the | |
1513 number of the current buffer. You will see this when listing autocommands, | |
1514 for example. | |
1515 | |
1516 To test for presence of buffer-local autocommands use the |exists()| function | |
1517 as follows: > | |
1518 :if exists("#CursorHold#<buffer=12>") | ... | endif | |
1519 :if exists("#CursorHold#<buffer>") | ... | endif " for current buffer | |
1520 | |
1521 When a buffer is wiped out its buffer-local autocommands are also gone, of | |
1522 course. Note that when deleting a buffer, e.g., with ":bdel", it is only | |
1523 unlisted, the autocommands are still present. In order to see the removal of | |
1524 buffer-local autocommands: > | |
1525 :set verbose=6 | |
1526 | |
1527 It is not possible to define buffer-local autocommands for a non-existent | |
1528 buffer. | |
1529 | |
1530 ============================================================================== | |
1531 8. Groups *autocmd-groups* | |
7 | 1532 |
1533 Autocommands can be put together in a group. This is useful for removing or | |
1534 executing a group of autocommands. For example, all the autocommands for | |
1535 syntax highlighting are put in the "highlight" group, to be able to execute | |
1536 ":doautoall highlight BufRead" when the GUI starts. | |
1537 | |
1538 When no specific group is selected, Vim uses the default group. The default | |
1539 group does not have a name. You cannot execute the autocommands from the | |
1540 default group separately; you can execute them only by executing autocommands | |
1541 for all groups. | |
1542 | |
1543 Normally, when executing autocommands automatically, Vim uses the autocommands | |
1544 for all groups. The group only matters when executing autocommands with | |
1545 ":doautocmd" or ":doautoall", or when defining or deleting autocommands. | |
1546 | |
1547 The group name can contain any characters except white space. The group name | |
1548 "end" is reserved (also in uppercase). | |
1549 | |
1550 The group name is case sensitive. Note that this is different from the event | |
1551 name! | |
1552 | |
1553 *:aug* *:augroup* | |
1554 :aug[roup] {name} Define the autocmd group name for the | |
1555 following ":autocmd" commands. The name "end" | |
1556 or "END" selects the default group. | |
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Christian Brabandt <cb@256bit.org>
parents:
7051
diff
changeset
|
1557 To avoid confusion, the name should be |
aea5ebf352c4
commit https://github.com/vim/vim/commit/256972a9849b5d575b62a6a71be5b6934b5b0e8b
Christian Brabandt <cb@256bit.org>
parents:
7051
diff
changeset
|
1558 different from existing {event} names, as this |
aea5ebf352c4
commit https://github.com/vim/vim/commit/256972a9849b5d575b62a6a71be5b6934b5b0e8b
Christian Brabandt <cb@256bit.org>
parents:
7051
diff
changeset
|
1559 most likely will not do what you intended. |
7 | 1560 |
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b11ceef7116e
commit https://github.com/vim/vim/commit/64d8e25bf6efe5f18b032563521c3ce278c316ab
Christian Brabandt <cb@256bit.org>
parents:
9737
diff
changeset
|
1561 *:augroup-delete* *E367* *W19* *E936* |
7 | 1562 :aug[roup]! {name} Delete the autocmd group {name}. Don't use |
1563 this if there is still an autocommand using | |
9737
35ce559b8553
commit https://github.com/vim/vim/commit/bc8801c9317eb721a2ee91322669f2dd5d136380
Christian Brabandt <cb@256bit.org>
parents:
9653
diff
changeset
|
1564 this group! You will get a warning if doing |
21676 | 1565 it anyway. When the group is the current |
1566 group you will get error E936. | |
7 | 1567 |
1568 To enter autocommands for a specific group, use this method: | |
1569 1. Select the group with ":augroup {name}". | |
1570 2. Delete any old autocommands with ":au!". | |
1571 3. Define the autocommands. | |
1572 4. Go back to the default group with "augroup END". | |
1573 | |
1574 Example: > | |
1575 :augroup uncompress | |
1576 : au! | |
1577 : au BufEnter *.gz %!gunzip | |
1578 :augroup END | |
1579 | |
1580 This prevents having the autocommands defined twice (e.g., after sourcing the | |
1581 .vimrc file again). | |
1582 | |
25880 | 1583 *FileExplorer* |
1584 There is one group that is recognized by Vim: FileExplorer. If this group | |
1585 exists Vim assumes that editing a directory is possible and will trigger a | |
1586 plugin that lists the files in that directory. This is used by the |netrw| | |
1587 plugin. This allows you to do: > | |
1588 browse edit | |
1589 | |
7 | 1590 ============================================================================== |
40 | 1591 9. Executing autocommands *autocmd-execute* |
7 | 1592 |
1593 Vim can also execute Autocommands non-automatically. This is useful if you | |
1594 have changed autocommands, or when Vim has executed the wrong autocommands | |
1595 (e.g., the file pattern match was wrong). | |
1596 | |
1597 Note that the 'eventignore' option applies here too. Events listed in this | |
1598 option will not cause any commands to be executed. | |
1599 | |
16944 | 1600 *:do* *:doau* *:doaut* *:doautocmd* *E217* |
3356 | 1601 :do[autocmd] [<nomodeline>] [group] {event} [fname] |
7 | 1602 Apply the autocommands matching [fname] (default: |
1603 current file name) for {event} to the current buffer. | |
1604 You can use this when the current file name does not | |
1605 match the right pattern, after changing settings, or | |
1606 to execute autocommands for a certain event. | |
1607 It's possible to use this inside an autocommand too, | |
1608 so you can base the autocommands for one extension on | |
1609 another extension. Example: > | |
3224 | 1610 :au BufEnter *.cpp so ~/.vimrc_cpp |
1611 :au BufEnter *.cpp doau BufEnter x.c | |
7 | 1612 < Be careful to avoid endless loops. See |
1613 |autocmd-nested|. | |
1614 | |
1615 When the [group] argument is not given, Vim executes | |
1616 the autocommands for all groups. When the [group] | |
1617 argument is included, Vim executes only the matching | |
1618 autocommands for that group. Note: if you use an | |
1619 undefined group name, Vim gives you an error message. | |
3350 | 1620 *<nomodeline>* |
1621 After applying the autocommands the modelines are | |
1622 processed, so that their settings overrule the | |
1623 settings from autocommands, like what happens when | |
1624 editing a file. This is skipped when the <nomodeline> | |
1625 argument is present. You probably want to use | |
1626 <nomodeline> for events that are not used when loading | |
1627 a buffer, such as |User|. | |
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Christian Brabandt <cb@256bit.org>
parents:
8951
diff
changeset
|
1628 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
|
1629 matching autocommands were executed. |
7 | 1630 |
1631 *:doautoa* *:doautoall* | |
3342 | 1632 :doautoa[ll] [<nomodeline>] [group] {event} [fname] |
7 | 1633 Like ":doautocmd", but apply the autocommands to each |
24278 | 1634 loaded buffer. The current buffer is done last. |
1635 | |
1636 Note that [fname] is used to select the autocommands, | |
24569 | 1637 not the buffers to which they are applied. Example: > |
1638 augroup mine | |
1639 autocmd! | |
1640 autocmd FileType * echo expand('<amatch>') | |
1641 augroup END | |
1642 doautoall mine FileType Loaded-Buffer | |
1643 < Sourcing this script, you'll see as many | |
1644 "Loaded-Buffer" echoed as there are loaded buffers. | |
24278 | 1645 |
7 | 1646 Careful: Don't use this for autocommands that delete a |
1647 buffer, change to another buffer or change the | |
1648 contents of a buffer; the result is unpredictable. | |
1649 This command is intended for autocommands that set | |
1650 options, change highlighting, and things like that. | |
1651 | |
1652 ============================================================================== | |
40 | 1653 10. Using autocommands *autocmd-use* |
7 | 1654 |
1655 For WRITING FILES there are four possible sets of events. Vim uses only one | |
1656 of these sets for a write command: | |
1657 | |
1658 BufWriteCmd BufWritePre BufWritePost writing the whole buffer | |
1659 FilterWritePre FilterWritePost writing to filter temp file | |
1660 FileAppendCmd FileAppendPre FileAppendPost appending to a file | |
1661 FileWriteCmd FileWritePre FileWritePost any other file write | |
1662 | |
1663 When there is a matching "*Cmd" autocommand, it is assumed it will do the | |
1664 writing. No further writing is done and the other events are not triggered. | |
1665 |Cmd-event| | |
1666 | |
1667 Note that the *WritePost commands should undo any changes to the buffer that | |
1668 were caused by the *WritePre commands; otherwise, writing the file will have | |
1669 the side effect of changing the buffer. | |
1670 | |
1671 Before executing the autocommands, the buffer from which the lines are to be | |
1672 written temporarily becomes the current buffer. Unless the autocommands | |
1673 change the current buffer or delete the previously current buffer, the | |
1674 previously current buffer is made the current buffer again. | |
1675 | |
1676 The *WritePre and *AppendPre autocommands must not delete the buffer from | |
1677 which the lines are to be written. | |
1678 | |
1679 The '[ and '] marks have a special position: | |
1680 - Before the *ReadPre event the '[ mark is set to the line just above where | |
1681 the new lines will be inserted. | |
1682 - Before the *ReadPost event the '[ mark is set to the first line that was | |
1683 just read, the '] mark to the last line. | |
26 | 1684 - Before executing the *WriteCmd, *WritePre and *AppendPre autocommands the '[ |
1685 mark is set to the first line that will be written, the '] mark to the last | |
1686 line. | |
7 | 1687 Careful: '[ and '] change when using commands that change the buffer. |
1688 | |
1689 In commands which expect a file name, you can use "<afile>" for the file name | |
1690 that is being read |:<afile>| (you can also use "%" for the current file | |
1691 name). "<abuf>" can be used for the buffer number of the currently effective | |
14123 | 1692 buffer. This also works for buffers that don't have a name. But it doesn't |
7 | 1693 work for files without a buffer (e.g., with ":r file"). |
1694 | |
1695 *gzip-example* | |
1696 Examples for reading and writing compressed files: > | |
1697 :augroup gzip | |
1698 : autocmd! | |
1699 : autocmd BufReadPre,FileReadPre *.gz set bin | |
1700 : autocmd BufReadPost,FileReadPost *.gz '[,']!gunzip | |
1701 : autocmd BufReadPost,FileReadPost *.gz set nobin | |
27903 | 1702 : autocmd BufReadPost,FileReadPost *.gz execute ":doautocmd BufReadPost " .. expand("%:r") |
7 | 1703 : autocmd BufWritePost,FileWritePost *.gz !mv <afile> <afile>:r |
1704 : autocmd BufWritePost,FileWritePost *.gz !gzip <afile>:r | |
1705 | |
1706 : autocmd FileAppendPre *.gz !gunzip <afile> | |
1707 : autocmd FileAppendPre *.gz !mv <afile>:r <afile> | |
1708 : autocmd FileAppendPost *.gz !mv <afile> <afile>:r | |
1709 : autocmd FileAppendPost *.gz !gzip <afile>:r | |
1710 :augroup END | |
1711 | |
1712 The "gzip" group is used to be able to delete any existing autocommands with | |
1713 ":autocmd!", for when the file is sourced twice. | |
1714 | |
1715 ("<afile>:r" is the file name without the extension, see |:_%:|) | |
1716 | |
1717 The commands executed for the BufNewFile, BufRead/BufReadPost, BufWritePost, | |
1718 FileAppendPost and VimLeave events do not set or reset the changed flag of the | |
1719 buffer. When you decompress the buffer with the BufReadPost autocommands, you | |
1720 can still exit with ":q". When you use ":undo" in BufWritePost to undo the | |
1721 changes made by BufWritePre commands, you can still do ":q" (this also makes | |
1722 "ZZ" work). If you do want the buffer to be marked as modified, set the | |
1723 'modified' option. | |
1724 | |
1725 To execute Normal mode commands from an autocommand, use the ":normal" | |
1726 command. Use with care! If the Normal mode command is not finished, the user | |
1727 needs to type characters (e.g., after ":normal m" you need to type a mark | |
1728 name). | |
1729 | |
1730 If you want the buffer to be unmodified after changing it, reset the | |
1731 'modified' option. This makes it possible to exit the buffer with ":q" | |
1732 instead of ":q!". | |
1733 | |
1734 *autocmd-nested* *E218* | |
16023 | 1735 By default, autocommands do not nest. For example, if you use ":e" or ":w" in |
1736 an autocommand, Vim does not execute the BufRead and BufWrite autocommands for | |
7 | 1737 those commands. If you do want this, use the "nested" flag for those commands |
1738 in which you want nesting. For example: > | |
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Bram Moolenaar <Bram@vim.org>
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16023
diff
changeset
|
1739 :autocmd FileChangedShell *.c ++nested e! |
7 | 1740 The nesting is limited to 10 levels to get out of recursive loops. |
1741 | |
1742 It's possible to use the ":au" command in an autocommand. This can be a | |
1743 self-modifying command! This can be useful for an autocommand that should | |
1744 execute only once. | |
1745 | |
590 | 1746 If you want to skip autocommands for one command, use the |:noautocmd| command |
1747 modifier or the 'eventignore' option. | |
7 | 1748 |
1749 Note: When reading a file (with ":read file" or with a filter command) and the | |
1750 last line in the file does not have an <EOL>, Vim remembers this. At the next | |
1751 write (with ":write file" or with a filter command), if the same line is | |
1752 written again as the last line in a file AND 'binary' is set, Vim does not | |
1753 supply an <EOL>. This makes a filter command on the just read lines write the | |
1754 same file as was read, and makes a write command on just filtered lines write | |
1755 the same file as was read from the filter. For example, another way to write | |
1756 a compressed file: > | |
1757 | |
1758 :autocmd FileWritePre *.gz set bin|'[,']!gzip | |
1759 :autocmd FileWritePost *.gz undo|set nobin | |
1760 < | |
1761 *autocommand-pattern* | |
1762 You can specify multiple patterns, separated by commas. Here are some | |
1763 examples: > | |
1764 | |
1765 :autocmd BufRead * set tw=79 nocin ic infercase fo=2croq | |
1766 :autocmd BufRead .letter set tw=72 fo=2tcrq | |
1767 :autocmd BufEnter .letter set dict=/usr/lib/dict/words | |
1768 :autocmd BufLeave .letter set dict= | |
1769 :autocmd BufRead,BufNewFile *.c,*.h set tw=0 cin noic | |
1770 :autocmd BufEnter *.c,*.h abbr FOR for (i = 0; i < 3; ++i)<CR>{<CR>}<Esc>O | |
1771 :autocmd BufLeave *.c,*.h unabbr FOR | |
1772 | |
1773 For makefiles (makefile, Makefile, imakefile, makefile.unix, etc.): > | |
1774 | |
1775 :autocmd BufEnter ?akefile* set include=^s\=include | |
1776 :autocmd BufLeave ?akefile* set include& | |
1777 | |
1778 To always start editing C files at the first function: > | |
1779 | |
1780 :autocmd BufRead *.c,*.h 1;/^{ | |
1781 | |
1782 Without the "1;" above, the search would start from wherever the file was | |
1783 entered, rather than from the start of the file. | |
1784 | |
1785 *skeleton* *template* | |
1786 To read a skeleton (template) file when opening a new file: > | |
1787 | |
1788 :autocmd BufNewFile *.c 0r ~/vim/skeleton.c | |
1789 :autocmd BufNewFile *.h 0r ~/vim/skeleton.h | |
1790 :autocmd BufNewFile *.java 0r ~/vim/skeleton.java | |
1791 | |
1792 To insert the current date and time in a *.html file when writing it: > | |
1793 | |
1794 :autocmd BufWritePre,FileWritePre *.html ks|call LastMod()|'s | |
1795 :fun LastMod() | |
1796 : if line("$") > 20 | |
1797 : let l = 20 | |
1798 : else | |
1799 : let l = line("$") | |
1800 : endif | |
27903 | 1801 : exe "1," .. l .. "g/Last modified: /s/Last modified: .*/Last modified: " .. |
7 | 1802 : \ strftime("%Y %b %d") |
1803 :endfun | |
1804 | |
1805 You need to have a line "Last modified: <date time>" in the first 20 lines | |
1806 of the file for this to work. Vim replaces <date time> (and anything in the | |
1807 same line after it) with the current date and time. Explanation: | |
1808 ks mark current position with mark 's' | |
1809 call LastMod() call the LastMod() function to do the work | |
1810 's return the cursor to the old position | |
1811 The LastMod() function checks if the file is shorter than 20 lines, and then | |
1812 uses the ":g" command to find lines that contain "Last modified: ". For those | |
1813 lines the ":s" command is executed to replace the existing date with the | |
1814 current one. The ":execute" command is used to be able to use an expression | |
1815 for the ":g" and ":s" commands. The date is obtained with the strftime() | |
1816 function. You can change its argument to get another date string. | |
1817 | |
1818 When entering :autocmd on the command-line, completion of events and command | |
1819 names may be done (with <Tab>, CTRL-D, etc.) where appropriate. | |
1820 | |
1821 Vim executes all matching autocommands in the order that you specify them. | |
1822 It is recommended that your first autocommand be used for all files by using | |
1823 "*" as the file pattern. This means that you can define defaults you like | |
1824 here for any settings, and if there is another matching autocommand it will | |
1825 override these. But if there is no other matching autocommand, then at least | |
1826 your default settings are recovered (if entering this file from another for | |
1827 which autocommands did match). Note that "*" will also match files starting | |
1828 with ".", unlike Unix shells. | |
1829 | |
1830 *autocmd-searchpat* | |
1831 Autocommands do not change the current search patterns. Vim saves the current | |
1832 search patterns before executing autocommands then restores them after the | |
1833 autocommands finish. This means that autocommands do not affect the strings | |
1834 highlighted with the 'hlsearch' option. Within autocommands, you can still | |
1835 use search patterns normally, e.g., with the "n" command. | |
1836 If you want an autocommand to set the search pattern, such that it is used | |
1837 after the autocommand finishes, use the ":let @/ =" command. | |
1838 The search-highlighting cannot be switched off with ":nohlsearch" in an | |
1839 autocommand. Use the 'h' flag in the 'viminfo' option to disable search- | |
1840 highlighting when starting Vim. | |
1841 | |
1842 *Cmd-event* | |
1843 When using one of the "*Cmd" events, the matching autocommands are expected to | |
1061 | 1844 do the file reading, writing or sourcing. This can be used when working with |
1845 a special kind of file, for example on a remote system. | |
7 | 1846 CAREFUL: If you use these events in a wrong way, it may have the effect of |
1847 making it impossible to read or write the matching files! Make sure you test | |
1848 your autocommands properly. Best is to use a pattern that will never match a | |
1849 normal file name, for example "ftp://*". | |
1850 | |
1851 When defining a BufReadCmd it will be difficult for Vim to recover a crashed | |
1852 editing session. When recovering from the original file, Vim reads only those | |
1853 parts of a file that are not found in the swap file. Since that is not | |
1854 possible with a BufReadCmd, use the |:preserve| command to make sure the | |
1855 original file isn't needed for recovery. You might want to do this only when | |
1856 you expect the file to be modified. | |
1857 | |
1061 | 1858 For file read and write commands the |v:cmdarg| variable holds the "++enc=" |
1859 and "++ff=" argument that are effective. These should be used for the command | |
1860 that reads/writes the file. The |v:cmdbang| variable is one when "!" was | |
1861 used, zero otherwise. | |
7 | 1862 |
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Bram Moolenaar <bram@vim.org>
parents:
2345
diff
changeset
|
1863 See the $VIMRUNTIME/plugin/netrwPlugin.vim for examples. |
7 | 1864 |
590 | 1865 ============================================================================== |
1866 11. Disabling autocommands *autocmd-disable* | |
1867 | |
1868 To disable autocommands for some time use the 'eventignore' option. Note that | |
1869 this may cause unexpected behavior, make sure you restore 'eventignore' | |
1870 afterwards, using a |:try| block with |:finally|. | |
1871 | |
1872 *:noautocmd* *:noa* | |
1873 To disable autocommands for just one command use the ":noautocmd" command | |
1874 modifier. This will set 'eventignore' to "all" for the duration of the | |
1875 following command. Example: > | |
1876 | |
1877 :noautocmd w fname.gz | |
1878 | |
1879 This will write the file without triggering the autocommands defined by the | |
1880 gzip plugin. | |
1881 | |
16023 | 1882 Note that some autocommands are not triggered right away, but only later. |
1883 This specifically applies to |CursorMoved| and |TextChanged|. | |
1884 | |
40 | 1885 |
14421 | 1886 vim:tw=78:ts=8:noet:ft=help:norl: |