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created 2007 · complexity basic · author Datagrok · version 7.0
Many tips that you find on this site and others will tell you to add some code to your
.vimrc file. (Or on Windows, your
_vimrc file.) :help vimrc-intro
Once you do this a few times, it can get pretty big and confusing, especially if the bits of configuration you are adding are each specific to a single language. Worse, some settings might be incompatible with others.
Happily, Vim has a very nice built-in way to organize and manage language-specific options by breaking them out into files and directories. You can learn all about it by reading :help vimfiles, :help ftplugin-overrule, :help after-directory.
The quick way to get started is to move all the language-specific stuff from your .vimrc file into a file named
$HOME/vimfiles/ftplugin/language.vim on Windows).
This turns a .vimrc that looks like this:
autocmd FileType * set tabstop=2|set shiftwidth=2|set noexpandtab autocmd FileType python set tabstop=4|set shiftwidth=4|set expandtab au BufEnter *.py set ai sw=4 ts=4 sta et fo=croql
" File ~/.vimrc " ($HOME/_vimrc on Windows) " Global settings for all files (but may be overridden in ftplugin). set tabstop=2 set shiftwidth=2 set noexpandtab " File ~/.vim/ftplugin/python.vim " ($HOME/vimfiles/ftplugin/python.vim on Windows) " Python specific settings. setlocal tabstop=4 setlocal shiftwidth=4 setlocal expandtab setlocal autoindent setlocal smarttab setlocal formatoptions=croql
If there is a filetype plugin distributed with Vim that you want to completely disable, make your own (perhaps empty) settings file and adding this line:
let b:did_ftplugin = 1
If you like most of what Vim's filetype plugin is doing, but you want to override something specific, you can place your settings in
$HOME/vimfiles/after/ftplugin/language.vim on Windows). See :help after-directory
If there is a new file extension that you want Vim to recognize, don't muck about with
augroup in your .vimrc, put the settings in the right place. See :help ftdetect
There is a lot more you can do with your
~/.vim directory (
$HOME/vimfiles on Windows).
~/.vim/compiler is a good place to keep configuration that gets applied on a per-compiler basis (for example, I might need to use any of javac, jikes, ant, or make to compile and parse the compiler output for a java source file.) I also like to keep a couple color schemes in
~/.vim/colors, and I keep notes in vimhelp format in
~/.vim/doc. Periodically running
:helptags ~/.vim/doc lets me jump to a tag in those notes using
:h. :help helptags :help vimfiles
This tip suggests moving language-specific settings to a suitable ftplugin file. For that to work, you need to have file type detection enabled. Enter the command
:filetype to determine whether detection is enabled on your system. On some Linux distributions, file type detection is disabled, in which case you should add a command like the following to your vimrc:
filetype plugin on " Alternative: use the following to also enable language-dependent indenting. filetype plugin indent on
A minor point: It's "recommended" to keep 'tabstop' at 8 when using 'expandtab', since that will ensure that the text or code looks the same way in dumb viewers and when printing. (Spiiph 13:50, 28 July 2009 (UTC))
However, the tabstop = 8 rule is nowhere near universal. For instance, in Java and Python, tabs are usually 4 spaces. Meviin 15:22, June 27, 2012 (UTC)
- I don't know Java, but in Python, where indenting is important, the standards of the language mandate that hard tabs MUST be interpreted as equivalent to as many spaces would be needed to reach the next multiple of 8, not 4. This applies when not using 'expandtab', since when you use it you are inserting spaces anyway, as Fritzophrenic said. — Tonymec (talk) 04:38, February 13, 2013 (UTC)
- Python is a perfect example of how no tabstop setting is universal. The official style guide (PEP8) currently defines one indentation level as 4 spaces with the caveat "For really old code that you don't want to mess up, you can continue to use 8-space tabs." --Pydave (talk) 23:19, March 3, 2013 (UTC)
- With Python, this isn't just a matter of style, it's a matter of syntax. Python syntax explicitly interprets a tab as being 8-space aligned. As a matter of style, you can do what you like, but if tabs and spaces are mixed in a single Python file, that 8-space alignment is what Python will use when it interprets your script. See . Me and (talk) 11:00, October 9, 2013 (UTC)
When using 'expandtab', it should always look the same in "dumb" viewers anyway, since you're inserting spaces instead of tabs. --Fritzophrenic 16:22, June 27, 2012 (UTC)
I agree with --Fritzophrenic. I do that for years. The best way to configure is setting 'expandtab' to '1' and setting 'tabstop' to something you like. I always replaced tabs with spaces. Even before I started to use Vim (many years ago). User:antonello.ale 01:17, November 21, 2012 (UTC)