Vim

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Vim (Vi improved) is a text editor based on the vi text editor. It can be used from the command-line or as a standalone application with a graphical user interface.

Installation

USE flags

USE flags for app-editors/vim Vim, an improved vi-style text editor

X Link console vim against X11 libraries to enable title and clipboard features in xterm local
acl Add support for Access Control Lists global
cscope Enable cscope interface -- in vim for example global
debug Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces global
gpm Add support for sys-libs/gpm (Console-based mouse driver) global
lua Enable Lua scripting support global
luajit Use dev-lang/luajit instead of dev-lang/lua local
minimal Install a very minimal build (disables, for example, plugins, fonts, most drivers, non-critical features) global
nls Add Native Language Support (using gettext - GNU locale utilities) global
perl Add optional support/bindings for the Perl language global
python Add optional support/bindings for the Python language global
racket Enable support for Scheme using dev-scheme/racket local
ruby Add support/bindings for the Ruby language global
selinux !!internal use only!! Security Enhanced Linux support, this must be set by the selinux profile or breakage will occur global
tcl Add support the Tcl language global
vim-pager Install vimpager and vimmanpager links local

Vim command-line

If X Window System support is not needed, install app-editors/vim:

root #emerge --ask app-editors/vim

Vim GUI

To install Vim with both the ncurses-based interface (/usr/bin/vim) as well as the graphical interface (for the X Window System - /usr/bin/gvim), install app-editors/gvim:

root #emerge --ask app-editors/gvim

There is also an experimental Qt interface called app-editors/vim-qt which can also be installed.

Extensions

The category app-vim provides a lot of additional syntax definitions, plugins and other Vim related stuff.

Use emerge or eix to get an overview of available packages in the app-vim category:

user $emerge --search "%@^app-vim"
user $eix -cC app-vim

Configuration

Files

Vim can be configured on a per-user basis or through a system-wide configuration file:

  • /etc/vim/vimrc - The system wide (global) settings file.
  • ~/.vimrc - The user-specific (local) configuration file. The tilde (~) means it is in the user's home directory.

Usage

Getting started

Vim has a built-in tutorial which should require around 30 min to go through. Start it using the vimtutor command:

user $vimtutor

Tips and Tricks

Using Vim like ex or ed from the command line

It is possible to use Vim for one-liners — commands that can be used in scripts or on the command line to make changes in an unattended manner.

For instance, the following command adds # to the beginning of each line in the file.txt file:

user $vim -c ":%s/^/#/g" -c ":x" file.txt

What happens is that Vim interprets the passed on commands (through the -c option). The first command is Vim's substitution command (which is very similar to sed's), the second one is Vim's instruction to save and exit the editor.

Change file encoding

To change the file encoding of a file to UTF-8, use the following command (in Vim command mode):

:e ++enc=utf8

As shown in the previous trick, it is possible to do this from the command line as well:

user $vim -c ":wq! ++enc=utf8" file.txt

See also

  • Vim Guide - Explains how to use Vim in greater detail.

External resources