Mercurial > vim
annotate runtime/doc/usr_05.txt @ 23950:4279c1c66df1 v8.2.2517
patch 8.2.2517: Vim9: fix for s390 not tested on other systems
Commit: https://github.com/vim/vim/commit/7c5b3c03699a4ab31f47c24290852d441ea8c12a
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Feb 14 22:40:57 2021 +0100
patch 8.2.2517: Vim9: fix for s390 not tested on other systems
Problem: Vim9: fix for s390 not tested on other systems.
Solution: Add a test.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sun, 14 Feb 2021 22:45:03 +0100 |
| parents | 1b345fb68ae3 |
| children | d19b7aee1925 |
| rev | line source |
|---|---|
| 18879 | 1 *usr_05.txt* For Vim version 8.2. Last change: 2019 May 23 |
| 7 | 2 |
| 3 VIM USER MANUAL - by Bram Moolenaar | |
| 4 | |
| 5 Set your settings | |
| 6 | |
| 7 | |
| 8 Vim can be tuned to work like you want it to. This chapter shows you how to | |
| 9 make Vim start with options set to different values. Add plugins to extend | |
| 164 | 10 Vim's capabilities. Or define your own macros. |
| 7 | 11 |
| 12 |05.1| The vimrc file | |
| 13 |05.2| The example vimrc file explained | |
| 15729 | 14 |05.3| The defaults.vim file explained |
| 15 |05.4| Simple mappings | |
| 16 |05.5| Adding a package | |
| 17 |05.6| Adding a plugin | |
| 18 |05.7| Adding a help file | |
| 19 |05.8| The option window | |
| 20 |05.9| Often used options | |
| 7 | 21 |
| 22 Next chapter: |usr_06.txt| Using syntax highlighting | |
| 23 Previous chapter: |usr_04.txt| Making small changes | |
| 24 Table of contents: |usr_toc.txt| | |
| 25 | |
| 26 ============================================================================== | |
| 27 *05.1* The vimrc file *vimrc-intro* | |
| 28 | |
| 29 You probably got tired of typing commands that you use very often. To start | |
| 819 | 30 Vim with all your favorite option settings and mappings, you write them in |
| 31 what is called the vimrc file. Vim executes the commands in this file when it | |
| 32 starts up. | |
| 7 | 33 |
| 819 | 34 If you already have a vimrc file (e.g., when your sysadmin has one setup for |
| 35 you), you can edit it this way: > | |
| 7 | 36 |
| 819 | 37 :edit $MYVIMRC |
| 38 | |
| 39 If you don't have a vimrc file yet, see |vimrc| to find out where you can | |
| 7 | 40 create a vimrc file. Also, the ":version" command mentions the name of the |
| 41 "user vimrc file" Vim looks for. | |
| 42 | |
| 819 | 43 For Unix and Macintosh this file is always used and is recommended: |
| 7 | 44 |
| 819 | 45 ~/.vimrc ~ |
| 7 | 46 |
| 18972 | 47 For MS-Windows you can use one of these: |
| 7 | 48 |
| 819 | 49 $HOME/_vimrc ~ |
| 50 $VIM/_vimrc ~ | |
| 7 | 51 |
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52 If you are creating the vimrc file for the first time, it is recommended to |
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53 put this line at the top: > |
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54 |
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55 source $VIMRUNTIME/defaults.vim |
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56 |
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57 This initializes Vim for new users (as opposed to traditional Vi users). See |
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58 |defaults.vim| for the details. |
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59 |
| 7 | 60 The vimrc file can contain all the commands that you type after a colon. The |
| 21676 | 61 simplest ones are for setting options. For example, if you want Vim to always |
| 62 start with the 'incsearch' option on, add this line your vimrc file: > | |
| 7 | 63 |
| 64 set incsearch | |
| 65 | |
| 66 For this new line to take effect you need to exit Vim and start it again. | |
| 67 Later you will learn how to do this without exiting Vim. | |
| 68 | |
| 69 This chapter only explains the most basic items. For more information on how | |
| 70 to write a Vim script file: |usr_41.txt|. | |
| 71 | |
| 72 ============================================================================== | |
| 73 *05.2* The example vimrc file explained *vimrc_example.vim* | |
| 74 | |
| 75 In the first chapter was explained how the example vimrc (included in the | |
| 76 Vim distribution) file can be used to make Vim startup in not-compatible mode | |
| 77 (see |not-compatible|). The file can be found here: | |
| 78 | |
| 79 $VIMRUNTIME/vimrc_example.vim ~ | |
| 80 | |
| 81 In this section we will explain the various commands used in this file. This | |
| 82 will give you hints about how to set up your own preferences. Not everything | |
| 83 will be explained though. Use the ":help" command to find out more. | |
| 84 | |
| 85 > | |
| 15729 | 86 " Get the defaults that most users want. |
| 87 source $VIMRUNTIME/defaults.vim | |
| 16023 | 88 |
| 15729 | 89 This loads the "defaults.vim" file in the $VIMRUNTIME directory. This sets up |
| 90 Vim for how most users like it. If you are one of the few that don't, then | |
| 91 comment out this line. The commands are explained below: | |
| 92 |defaults.vim-explained| | |
| 93 | |
| 94 > | |
| 95 if has("vms") | |
| 96 set nobackup | |
| 97 else | |
| 98 set backup | |
| 99 if has('persistent_undo') | |
| 100 set undofile | |
| 101 endif | |
| 102 endif | |
| 103 | |
| 104 This tells Vim to keep a backup copy of a file when overwriting it. But not | |
| 105 on the VMS system, since it keeps old versions of files already. The backup | |
| 106 file will have the same name as the original file with "~" added. See |07.4| | |
| 107 | |
| 108 This also sets the 'undofile' option, if available. This will store the | |
| 109 multi-level undo information in a file. The result is that when you change a | |
| 110 file, exit Vim, and then edit the file again, you can undo the changes made | |
| 111 previously. It's a very powerful and useful feature, at the cost of storing a | |
| 112 file. For more information see |undo-persistence|. | |
| 113 | |
| 114 The "if" command is very useful to set options | |
| 115 only when some condition is met. More about that in |usr_41.txt|. | |
| 116 | |
| 117 > | |
| 118 if &t_Co > 2 || has("gui_running") | |
| 119 set hlsearch | |
| 120 endif | |
| 121 | |
| 122 This switches on the 'hlsearch' option, telling Vim to highlight matches with | |
| 123 the last used search pattern. | |
| 124 | |
| 125 > | |
| 126 augroup vimrcEx | |
| 127 au! | |
| 128 autocmd FileType text setlocal textwidth=78 | |
| 129 augroup END | |
| 130 | |
| 131 This makes Vim break text to avoid lines getting longer than 78 characters. | |
| 132 But only for files that have been detected to be plain text. There are | |
| 133 actually two parts here. "autocmd FileType text" is an autocommand. This | |
| 134 defines that when the file type is set to "text" the following command is | |
| 135 automatically executed. "setlocal textwidth=78" sets the 'textwidth' option | |
| 136 to 78, but only locally in one file. | |
| 137 | |
| 138 The wrapper with "augroup vimrcEx" and "augroup END" makes it possible to | |
| 139 delete the autocommand with the "au!" command. See |:augroup|. | |
| 140 | |
| 141 > | |
| 142 if has('syntax') && has('eval') | |
| 143 packadd! matchit | |
| 144 endif | |
| 145 | |
| 146 This loads the "matchit" plugin if the required features are available. | |
| 147 It makes the |%| command more powerful. This is explained at | |
| 148 |matchit-install|. | |
| 149 | |
| 150 | |
| 151 ============================================================================== | |
| 152 *05.3* The defaults.vim file explained *defaults.vim-explained* | |
| 153 | |
| 154 The |defaults.vim| file is loaded when the user has no vimrc file. When you | |
| 155 create a new vimrc file, add this line near the top to keep using it: > | |
| 156 | |
| 157 source $VIMRUNTIME/defaults.vim | |
| 158 | |
| 159 Or use the vimrc_example.vim file, as explained above. | |
| 160 | |
| 161 The following explains what defaults.vim is doing. | |
| 162 | |
| 163 > | |
| 164 if exists('skip_defaults_vim') | |
| 165 finish | |
| 166 endif | |
| 16023 | 167 |
| 15729 | 168 Loading defaults.vim can be disabled with this command: > |
| 169 let skip_defaults_vim = 1 | |
| 170 This has to be done in the system vimrc file. See |system-vimrc|. If you | |
| 171 have a user vimrc this is not needed, since defaults.vim will not be loaded | |
| 172 automatically. | |
| 16023 | 173 |
| 15729 | 174 > |
| 7 | 175 set nocompatible |
| 176 | |
| 177 As mentioned in the first chapter, these manuals explain Vim working in an | |
| 178 improved way, thus not completely Vi compatible. Setting the 'compatible' | |
| 179 option off, thus 'nocompatible' takes care of this. | |
| 180 | |
| 181 > | |
| 182 set backspace=indent,eol,start | |
| 183 | |
| 184 This specifies where in Insert mode the <BS> is allowed to delete the | |
| 185 character in front of the cursor. The three items, separated by commas, tell | |
| 186 Vim to delete the white space at the start of the line, a line break and the | |
| 15729 | 187 character before where Insert mode started. See 'backspace'. |
| 7 | 188 |
| 15729 | 189 > |
| 190 set history=200 | |
| 7 | 191 |
| 15729 | 192 Keep 200 commands and 200 search patterns in the history. Use another number |
| 193 if you want to remember fewer or more lines. See 'history'. | |
| 16023 | 194 |
| 7 | 195 > |
| 196 set ruler | |
| 197 | |
| 198 Always display the current cursor position in the lower right corner of the | |
| 15729 | 199 Vim window. See 'ruler'. |
| 7 | 200 |
| 201 > | |
| 202 set showcmd | |
| 203 | |
| 204 Display an incomplete command in the lower right corner of the Vim window, | |
| 205 left of the ruler. For example, when you type "2f", Vim is waiting for you to | |
| 206 type the character to find and "2f" is displayed. When you press "w" next, | |
| 207 the "2fw" command is executed and the displayed "2f" is removed. | |
| 208 | |
| 209 +-------------------------------------------------+ | |
| 210 |text in the Vim window | | |
| 211 |~ | | |
| 212 |~ | | |
| 213 |-- VISUAL -- 2f 43,8 17% | | |
| 214 +-------------------------------------------------+ | |
| 215 ^^^^^^^^^^^ ^^^^^^^^ ^^^^^^^^^^ | |
| 216 'showmode' 'showcmd' 'ruler' | |
| 217 | |
| 15729 | 218 |
| 219 > | |
| 220 set wildmenu | |
| 221 | |
| 222 Display completion matches in a status line. That is when you type <Tab> and | |
| 223 there is more than one match. See 'wildmenu'. | |
| 224 | |
| 225 > | |
| 226 set ttimeout | |
| 227 set ttimeoutlen=100 | |
| 228 | |
| 229 This makes typing Esc take effect more quickly. Normally Vim waits a second | |
| 230 to see if the Esc is the start of an escape sequence. If you have a very slow | |
| 231 remote connection, increase the number. See 'ttimeout'. | |
| 232 | |
| 233 > | |
| 234 set display=truncate | |
| 235 | |
| 236 Show @@@ in the last line if it is truncated, instead of hiding the whole | |
| 16808 | 237 line. See 'display'. |
| 15729 | 238 |
| 7 | 239 > |
| 240 set incsearch | |
| 241 | |
| 15729 | 242 Display the match for a search pattern when halfway typing it. See |
| 243 'incsearch'. | |
| 244 | |
| 245 > | |
| 246 set nrformats-=octal | |
| 247 | |
| 248 Do not recognize numbers starting with a zero as octal. See 'nrformats'. | |
| 7 | 249 |
| 250 > | |
| 251 map Q gq | |
| 252 | |
| 253 This defines a key mapping. More about that in the next section. This | |
| 254 defines the "Q" command to do formatting with the "gq" operator. This is how | |
| 255 it worked before Vim 5.0. Otherwise the "Q" command starts Ex mode, but you | |
| 256 will not need it. | |
| 257 | |
| 258 > | |
| 15729 | 259 inoremap <C-U> <C-G>u<C-U> |
| 16023 | 260 |
| 15729 | 261 CTRL-U in insert mode deletes all entered text in the current line. Use |
| 262 CTRL-G u to first break undo, so that you can undo CTRL-U after inserting a | |
| 263 line break. Revert with ":iunmap <C-U>". | |
| 264 | |
| 265 > | |
| 266 if has('mouse') | |
| 267 set mouse=a | |
| 268 endif | |
| 269 | |
| 270 Enable using the mouse if available. See 'mouse'. | |
| 271 | |
| 272 > | |
| 43 | 273 vnoremap _g y:exe "grep /" . escape(@", '\\/') . "/ *.c *.h"<CR> |
| 7 | 274 |
| 43 | 275 This mapping yanks the visually selected text and searches for it in C files. |
| 15729 | 276 You can see that a mapping can be used to do quite complicated things. Still, |
| 277 it is just a sequence of commands that are executed like you typed them. | |
| 7 | 278 |
| 279 > | |
| 15729 | 280 syntax on |
| 7 | 281 |
| 15729 | 282 Enable highlighting files in color. See |syntax|. |
| 7 | 283 |
| 284 *vimrc-filetype* > | |
| 285 filetype plugin indent on | |
| 286 | |
| 287 This switches on three very clever mechanisms: | |
| 288 1. Filetype detection. | |
| 289 Whenever you start editing a file, Vim will try to figure out what kind of | |
| 290 file this is. When you edit "main.c", Vim will see the ".c" extension and | |
| 291 recognize this as a "c" filetype. When you edit a file that starts with | |
| 292 "#!/bin/sh", Vim will recognize it as a "sh" filetype. | |
| 293 The filetype detection is used for syntax highlighting and the other two | |
| 294 items below. | |
| 295 See |filetypes|. | |
| 296 | |
| 297 2. Using filetype plugin files | |
| 298 Many different filetypes are edited with different options. For example, | |
| 299 when you edit a "c" file, it's very useful to set the 'cindent' option to | |
| 300 automatically indent the lines. These commonly useful option settings are | |
| 301 included with Vim in filetype plugins. You can also add your own, see | |
| 302 |write-filetype-plugin|. | |
| 303 | |
| 304 3. Using indent files | |
| 305 When editing programs, the indent of a line can often be computed | |
| 306 automatically. Vim comes with these indent rules for a number of | |
| 307 filetypes. See |:filetype-indent-on| and 'indentexpr'. | |
| 308 | |
| 309 | |
| 15729 | 310 *restore-cursor* *last-position-jump* > |
| 311 autocmd BufReadPost * | |
| 312 \ if line("'\"") >= 1 && line("'\"") <= line("$") && &ft !~# 'commit' | |
| 313 \ | exe "normal! g`\"" | |
| 314 \ | endif | |
| 7 | 315 |
| 316 Another autocommand. This time it is used after reading any file. The | |
| 317 complicated stuff after it checks if the '" mark is defined, and jumps to it | |
| 318 if so. The backslash at the start of a line is used to continue the command | |
| 319 from the previous line. That avoids a line getting very long. | |
| 320 See |line-continuation|. This only works in a Vim script file, not when | |
| 321 typing commands at the command-line. | |
| 322 | |
| 15729 | 323 > |
| 324 command DiffOrig vert new | set bt=nofile | r ++edit # | 0d_ | diffthis | |
| 325 \ | wincmd p | diffthis | |
| 326 | |
| 327 This adds the ":DiffOrig" command. Use this in a modified buffer to see the | |
| 16023 | 328 differences with the file it was loaded from. See |diff| and |:DiffOrig|. |
| 15729 | 329 |
| 330 > | |
| 331 set nolangremap | |
| 332 | |
| 333 Prevent that the langmap option applies to characters that result from a | |
| 334 mapping. If set (default), this may break plugins (but it's backward | |
| 335 compatible). See 'langremap'. | |
| 336 | |
| 7 | 337 ============================================================================== |
| 15729 | 338 *05.4* Simple mappings |
| 7 | 339 |
| 340 A mapping enables you to bind a set of Vim commands to a single key. Suppose, | |
| 341 for example, that you need to surround certain words with curly braces. In | |
| 342 other words, you need to change a word such as "amount" into "{amount}". With | |
| 343 the :map command, you can tell Vim that the F5 key does this job. The command | |
| 344 is as follows: > | |
| 345 | |
| 346 :map <F5> i{<Esc>ea}<Esc> | |
| 347 < | |
| 348 Note: | |
| 349 When entering this command, you must enter <F5> by typing four | |
| 350 characters. Similarly, <Esc> is not entered by pressing the <Esc> | |
| 351 key, but by typing five characters. Watch out for this difference | |
| 352 when reading the manual! | |
| 353 | |
| 354 Let's break this down: | |
| 355 <F5> The F5 function key. This is the trigger key that causes the | |
| 356 command to be executed as the key is pressed. | |
| 357 | |
| 358 i{<Esc> Insert the { character. The <Esc> key ends Insert mode. | |
| 359 | |
| 360 e Move to the end of the word. | |
| 361 | |
| 362 a}<Esc> Append the } to the word. | |
| 363 | |
| 364 After you execute the ":map" command, all you have to do to put {} around a | |
| 365 word is to put the cursor on the first character and press F5. | |
| 366 | |
| 367 In this example, the trigger is a single key; it can be any string. But when | |
| 368 you use an existing Vim command, that command will no longer be available. | |
| 369 You better avoid that. | |
| 370 One key that can be used with mappings is the backslash. Since you | |
| 371 probably want to define more than one mapping, add another character. You | |
| 164 | 372 could map "\p" to add parentheses around a word, and "\c" to add curly braces, |
| 373 for example: > | |
| 7 | 374 |
| 375 :map \p i(<Esc>ea)<Esc> | |
| 376 :map \c i{<Esc>ea}<Esc> | |
| 377 | |
| 378 You need to type the \ and the p quickly after another, so that Vim knows they | |
| 379 belong together. | |
| 380 | |
| 381 The ":map" command (with no arguments) lists your current mappings. At | |
| 382 least the ones for Normal mode. More about mappings in section |40.1|. | |
| 383 | |
| 384 ============================================================================== | |
| 15729 | 385 *05.5* Adding a package *add-package* *matchit-install* |
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387 A package is a set of files that you can add to Vim. There are two kinds of |
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388 packages: optional and automatically loaded on startup. |
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389 |
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390 The Vim distribution comes with a few packages that you can optionally use. |
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391 For example, the matchit plugin. This plugin makes the "%" command jump to |
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392 matching HTML tags, if/else/endif in Vim scripts, etc. Very useful, although |
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393 it's not backwards compatible (that's why it is not enabled by default). |
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394 |
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395 To start using the matchit plugin, add one line to your vimrc file: > |
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396 packadd! matchit |
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397 |
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398 That's all! After restarting Vim you can find help about this plugin: > |
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399 :help matchit |
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400 |
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401 This works, because when `:packadd` loaded the plugin it also added the |
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402 package directory in 'runtimepath', so that the help file can be found. |
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403 |
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404 You can find packages on the Internet in various places. It usually comes as |
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405 an archive or as a repository. For an archive you can follow these steps: |
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406 1. create the package directory: > |
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407 mkdir -p ~/.vim/pack/fancy |
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408 < "fancy" can be any name of your liking. Use one that describes the |
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409 package. |
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410 2. unpack the archive in that directory. This assumes the top |
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411 directory in the archive is "start": > |
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412 cd ~/.vim/pack/fancy |
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413 unzip /tmp/fancy.zip |
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414 < If the archive layout is different make sure that you end up with a |
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415 path like this: |
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416 ~/.vim/pack/fancy/start/fancytext/plugin/fancy.vim ~ |
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417 Here "fancytext" is the name of the package, it can be anything |
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418 else. |
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419 |
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420 More information about packages can be found here: |packages|. |
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421 |
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422 ============================================================================== |
| 15729 | 423 *05.6* Adding a plugin *add-plugin* *plugin* |
| 7 | 424 |
| 425 Vim's functionality can be extended by adding plugins. A plugin is nothing | |
| 426 more than a Vim script file that is loaded automatically when Vim starts. You | |
| 427 can add a plugin very easily by dropping it in your plugin directory. | |
| 428 {not available when Vim was compiled without the |+eval| feature} | |
| 429 | |
| 430 There are two types of plugins: | |
| 431 | |
| 432 global plugin: Used for all kinds of files | |
| 433 filetype plugin: Only used for a specific type of file | |
| 434 | |
| 435 The global plugins will be discussed first, then the filetype ones | |
| 436 |add-filetype-plugin|. | |
| 437 | |
| 438 | |
| 439 GLOBAL PLUGINS *standard-plugin* | |
| 440 | |
| 441 When you start Vim, it will automatically load a number of global plugins. | |
| 442 You don't have to do anything for this. They add functionality that most | |
| 443 people will want to use, but which was implemented as a Vim script instead of | |
| 444 being compiled into Vim. You can find them listed in the help index | |
| 445 |standard-plugin-list|. Also see |load-plugins|. | |
| 446 | |
| 447 *add-global-plugin* | |
| 448 You can add a global plugin to add functionality that will always be present | |
| 449 when you use Vim. There are only two steps for adding a global plugin: | |
| 450 1. Get a copy of the plugin. | |
| 451 2. Drop it in the right directory. | |
| 452 | |
| 453 | |
| 454 GETTING A GLOBAL PLUGIN | |
| 455 | |
| 456 Where can you find plugins? | |
| 14372 | 457 - Some are always loaded, you can see them in the directory $VIMRUNTIME/plugin. |
| 7 | 458 - Some come with Vim. You can find them in the directory $VIMRUNTIME/macros |
| 14372 | 459 and its sub-directories and under $VIM/vimfiles/pack/dist/opt/. |
| 800 | 460 - Download from the net. There is a large collection on http://www.vim.org. |
| 7 | 461 - They are sometimes posted in a Vim |maillist|. |
| 462 - You could write one yourself, see |write-plugin|. | |
| 463 | |
| 800 | 464 Some plugins come as a vimball archive, see |vimball|. |
| 465 Some plugins can be updated automatically, see |getscript|. | |
| 466 | |
| 7 | 467 |
| 468 USING A GLOBAL PLUGIN | |
| 469 | |
| 470 First read the text in the plugin itself to check for any special conditions. | |
| 471 Then copy the file to your plugin directory: | |
| 472 | |
| 473 system plugin directory ~ | |
| 474 Unix ~/.vim/plugin/ | |
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475 PC $HOME/vimfiles/plugin or $VIM/vimfiles/plugin |
| 7 | 476 Amiga s:vimfiles/plugin |
| 477 Macintosh $VIM:vimfiles:plugin | |
| 478 Mac OS X ~/.vim/plugin/ | |
| 479 | |
| 480 Example for Unix (assuming you didn't have a plugin directory yet): > | |
| 481 | |
| 482 mkdir ~/.vim | |
| 483 mkdir ~/.vim/plugin | |
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484 cp /tmp/yourplugin.vim ~/.vim/plugin |
| 7 | 485 |
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486 That's all! Now you can use the commands defined in this plugin. |
| 7 | 487 |
| 548 | 488 Instead of putting plugins directly into the plugin/ directory, you may |
| 489 better organize them by putting them into subdirectories under plugin/. | |
| 490 As an example, consider using "~/.vim/plugin/perl/*.vim" for all your Perl | |
| 491 plugins. | |
| 541 | 492 |
| 7 | 493 |
| 494 FILETYPE PLUGINS *add-filetype-plugin* *ftplugins* | |
| 495 | |
| 496 The Vim distribution comes with a set of plugins for different filetypes that | |
| 497 you can start using with this command: > | |
| 498 | |
| 499 :filetype plugin on | |
| 500 | |
| 501 That's all! See |vimrc-filetype|. | |
| 502 | |
| 503 If you are missing a plugin for a filetype you are using, or you found a | |
| 504 better one, you can add it. There are two steps for adding a filetype plugin: | |
| 505 1. Get a copy of the plugin. | |
| 506 2. Drop it in the right directory. | |
| 507 | |
| 508 | |
| 509 GETTING A FILETYPE PLUGIN | |
| 510 | |
| 511 You can find them in the same places as the global plugins. Watch out if the | |
| 512 type of file is mentioned, then you know if the plugin is a global or a | |
| 513 filetype one. The scripts in $VIMRUNTIME/macros are global ones, the filetype | |
| 514 plugins are in $VIMRUNTIME/ftplugin. | |
| 515 | |
| 516 | |
| 517 USING A FILETYPE PLUGIN *ftplugin-name* | |
| 518 | |
| 519 You can add a filetype plugin by dropping it in the right directory. The | |
| 520 name of this directory is in the same directory mentioned above for global | |
| 521 plugins, but the last part is "ftplugin". Suppose you have found a plugin for | |
| 522 the "stuff" filetype, and you are on Unix. Then you can move this file to the | |
| 523 ftplugin directory: > | |
| 524 | |
| 525 mv thefile ~/.vim/ftplugin/stuff.vim | |
| 526 | |
| 527 If that file already exists you already have a plugin for "stuff". You might | |
| 528 want to check if the existing plugin doesn't conflict with the one you are | |
| 529 adding. If it's OK, you can give the new one another name: > | |
| 530 | |
| 531 mv thefile ~/.vim/ftplugin/stuff_too.vim | |
| 532 | |
| 533 The underscore is used to separate the name of the filetype from the rest, | |
| 10 | 534 which can be anything. If you use "otherstuff.vim" it wouldn't work, it would |
| 535 be loaded for the "otherstuff" filetype. | |
| 7 | 536 |
| 18972 | 537 On MS-DOS like filesystems you cannot use long filenames. You would run into |
| 538 trouble if you add a second plugin and the filetype has more than six | |
| 539 characters. You can use an extra directory to get around this: > | |
| 7 | 540 |
| 541 mkdir $VIM/vimfiles/ftplugin/fortran | |
| 542 copy thefile $VIM/vimfiles/ftplugin/fortran/too.vim | |
| 543 | |
| 544 The generic names for the filetype plugins are: > | |
| 545 | |
| 546 ftplugin/<filetype>.vim | |
| 547 ftplugin/<filetype>_<name>.vim | |
| 548 ftplugin/<filetype>/<name>.vim | |
| 549 | |
| 550 Here "<name>" can be any name that you prefer. | |
| 551 Examples for the "stuff" filetype on Unix: > | |
| 552 | |
| 553 ~/.vim/ftplugin/stuff.vim | |
| 554 ~/.vim/ftplugin/stuff_def.vim | |
| 555 ~/.vim/ftplugin/stuff/header.vim | |
| 556 | |
| 557 The <filetype> part is the name of the filetype the plugin is to be used for. | |
| 558 Only files of this filetype will use the settings from the plugin. The <name> | |
| 559 part of the plugin file doesn't matter, you can use it to have several plugins | |
| 560 for the same filetype. Note that it must end in ".vim". | |
| 561 | |
| 562 | |
| 563 Further reading: | |
| 564 |filetype-plugins| Documentation for the filetype plugins and information | |
| 565 about how to avoid that mappings cause problems. | |
| 566 |load-plugins| When the global plugins are loaded during startup. | |
| 567 |ftplugin-overrule| Overruling the settings from a global plugin. | |
| 568 |write-plugin| How to write a plugin script. | |
| 569 |plugin-details| For more information about using plugins or when your | |
| 570 plugin doesn't work. | |
| 571 |new-filetype| How to detect a new file type. | |
| 572 | |
| 573 ============================================================================== | |
| 15729 | 574 *05.7* Adding a help file *add-local-help* |
| 7 | 575 |
| 576 If you are lucky, the plugin you installed also comes with a help file. We | |
| 577 will explain how to install the help file, so that you can easily find help | |
| 578 for your new plugin. | |
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579 Let us use the "doit.vim" plugin as an example. This plugin comes with |
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580 documentation: "doit.txt". Let's first copy the plugin to the right |
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581 directory. This time we will do it from inside Vim. (You may skip some of |
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582 the "mkdir" commands if you already have the directory.) > |
| 7 | 583 |
| 584 :!mkdir ~/.vim | |
| 585 :!mkdir ~/.vim/plugin | |
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586 :!cp /tmp/doit.vim ~/.vim/plugin |
| 7 | 587 |
| 18972 | 588 The "cp" command is for Unix, on MS-Windows you can use "copy". |
| 22 | 589 |
| 7 | 590 Now create a "doc" directory in one of the directories in 'runtimepath'. > |
| 591 | |
| 592 :!mkdir ~/.vim/doc | |
| 593 | |
| 594 Copy the help file to the "doc" directory. > | |
| 595 | |
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596 :!cp /tmp/doit.txt ~/.vim/doc |
| 7 | 597 |
| 598 Now comes the trick, which allows you to jump to the subjects in the new help | |
| 599 file: Generate the local tags file with the |:helptags| command. > | |
| 600 | |
| 601 :helptags ~/.vim/doc | |
| 602 | |
| 603 Now you can use the > | |
| 604 | |
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605 :help doit |
| 7 | 606 |
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607 command to find help for "doit" in the help file you just added. You can see |
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608 an entry for the local help file when you do: > |
| 7 | 609 |
| 610 :help local-additions | |
| 611 | |
| 612 The title lines from the local help files are automagically added to this | |
| 613 section. There you can see which local help files have been added and jump to | |
| 614 them through the tag. | |
| 615 | |
| 616 For writing a local help file, see |write-local-help|. | |
| 617 | |
| 618 ============================================================================== | |
| 15729 | 619 *05.8* The option window |
| 7 | 620 |
| 621 If you are looking for an option that does what you want, you can search in | |
| 622 the help files here: |options|. Another way is by using this command: > | |
| 623 | |
| 624 :options | |
| 625 | |
| 626 This opens a new window, with a list of options with a one-line explanation. | |
| 627 The options are grouped by subject. Move the cursor to a subject and press | |
| 628 <Enter> to jump there. Press <Enter> again to jump back. Or use CTRL-O. | |
| 629 | |
| 630 You can change the value of an option. For example, move to the "displaying | |
| 631 text" subject. Then move the cursor down to this line: | |
| 632 | |
| 633 set wrap nowrap ~ | |
| 634 | |
| 635 When you hit <Enter>, the line will change to: | |
| 636 | |
| 637 set nowrap wrap ~ | |
| 638 | |
| 639 The option has now been switched off. | |
| 640 | |
| 641 Just above this line is a short description of the 'wrap' option. Move the | |
| 642 cursor one line up to place it in this line. Now hit <Enter> and you jump to | |
| 643 the full help on the 'wrap' option. | |
| 644 | |
| 645 For options that take a number or string argument you can edit the value. | |
| 646 Then press <Enter> to apply the new value. For example, move the cursor a few | |
| 647 lines up to this line: | |
| 648 | |
| 649 set so=0 ~ | |
| 650 | |
| 651 Position the cursor on the zero with "$". Change it into a five with "r5". | |
| 652 Then press <Enter> to apply the new value. When you now move the cursor | |
| 653 around you will notice that the text starts scrolling before you reach the | |
| 654 border. This is what the 'scrolloff' option does, it specifies an offset | |
| 655 from the window border where scrolling starts. | |
| 656 | |
| 657 ============================================================================== | |
| 15729 | 658 *05.9* Often used options |
| 7 | 659 |
| 660 There are an awful lot of options. Most of them you will hardly ever use. | |
| 661 Some of the more useful ones will be mentioned here. Don't forget you can | |
| 662 find more help on these options with the ":help" command, with single quotes | |
| 663 before and after the option name. For example: > | |
| 664 | |
| 665 :help 'wrap' | |
| 666 | |
| 667 In case you have messed up an option value, you can set it back to the | |
| 10 | 668 default by putting an ampersand (&) after the option name. Example: > |
| 7 | 669 |
| 670 :set iskeyword& | |
| 671 | |
| 672 | |
| 673 NOT WRAPPING LINES | |
| 674 | |
| 675 Vim normally wraps long lines, so that you can see all of the text. Sometimes | |
| 676 it's better to let the text continue right of the window. Then you need to | |
| 10 | 677 scroll the text left-right to see all of a long line. Switch wrapping off |
| 678 with this command: > | |
| 7 | 679 |
| 680 :set nowrap | |
| 681 | |
| 682 Vim will automatically scroll the text when you move to text that is not | |
| 683 displayed. To see a context of ten characters, do this: > | |
| 684 | |
| 685 :set sidescroll=10 | |
| 686 | |
| 687 This doesn't change the text in the file, only the way it is displayed. | |
| 688 | |
| 689 | |
| 690 WRAPPING MOVEMENT COMMANDS | |
| 691 | |
| 692 Most commands for moving around will stop moving at the start and end of a | |
| 693 line. You can change that with the 'whichwrap' option. This sets it to the | |
| 694 default value: > | |
| 695 | |
| 696 :set whichwrap=b,s | |
| 697 | |
| 698 This allows the <BS> key, when used in the first position of a line, to move | |
| 699 the cursor to the end of the previous line. And the <Space> key moves from | |
| 700 the end of a line to the start of the next one. | |
| 701 | |
| 702 To allow the cursor keys <Left> and <Right> to also wrap, use this command: > | |
| 703 | |
| 704 :set whichwrap=b,s,<,> | |
| 705 | |
| 706 This is still only for Normal mode. To let <Left> and <Right> do this in | |
| 707 Insert mode as well: > | |
| 708 | |
| 709 :set whichwrap=b,s,<,>,[,] | |
| 710 | |
| 711 There are a few other flags that can be added, see 'whichwrap'. | |
| 712 | |
| 713 | |
| 714 VIEWING TABS | |
| 715 | |
| 716 When there are tabs in a file, you cannot see where they are. To make them | |
| 717 visible: > | |
| 718 | |
| 719 :set list | |
| 720 | |
| 1278 | 721 Now every tab is displayed as ^I. And a $ is displayed at the end of each |
| 7 | 722 line, so that you can spot trailing spaces that would otherwise go unnoticed. |
| 723 A disadvantage is that this looks ugly when there are many Tabs in a file. | |
| 724 If you have a color terminal, or are using the GUI, Vim can show the spaces | |
| 725 and tabs as highlighted characters. Use the 'listchars' option: > | |
| 726 | |
| 727 :set listchars=tab:>-,trail:- | |
| 728 | |
| 729 Now every tab will be displayed as ">---" (with more or less "-") and trailing | |
| 730 white space as "-". Looks a lot better, doesn't it? | |
| 731 | |
| 732 | |
| 733 KEYWORDS | |
| 734 | |
| 735 The 'iskeyword' option specifies which characters can appear in a word: > | |
| 736 | |
| 737 :set iskeyword | |
| 738 < iskeyword=@,48-57,_,192-255 ~ | |
| 739 | |
| 740 The "@" stands for all alphabetic letters. "48-57" stands for ASCII | |
| 741 characters 48 to 57, which are the numbers 0 to 9. "192-255" are the | |
| 742 printable latin characters. | |
| 743 Sometimes you will want to include a dash in keywords, so that commands | |
| 744 like "w" consider "upper-case" to be one word. You can do it like this: > | |
| 745 | |
| 746 :set iskeyword+=- | |
| 747 :set iskeyword | |
| 748 < iskeyword=@,48-57,_,192-255,- ~ | |
| 749 | |
| 750 If you look at the new value, you will see that Vim has added a comma for you. | |
| 751 To remove a character use "-=". For example, to remove the underscore: > | |
| 752 | |
| 753 :set iskeyword-=_ | |
| 754 :set iskeyword | |
| 755 < iskeyword=@,48-57,192-255,- ~ | |
| 756 | |
| 757 This time a comma is automatically deleted. | |
| 758 | |
| 759 | |
| 760 ROOM FOR MESSAGES | |
| 761 | |
| 762 When Vim starts there is one line at the bottom that is used for messages. | |
| 763 When a message is long, it is either truncated, thus you can only see part of | |
| 764 it, or the text scrolls and you have to press <Enter> to continue. | |
| 765 You can set the 'cmdheight' option to the number of lines used for | |
| 766 messages. Example: > | |
| 767 | |
| 768 :set cmdheight=3 | |
| 769 | |
| 770 This does mean there is less room to edit text, thus it's a compromise. | |
| 771 | |
| 772 ============================================================================== | |
| 773 | |
| 774 Next chapter: |usr_06.txt| Using syntax highlighting | |
| 775 | |
| 14519 | 776 Copyright: see |manual-copyright| vim:tw=78:ts=8:noet:ft=help:norl: |