Introduction To Vim Customization

Vim is one of a handful of text editors ubiquitous in nearly all Unix systems. While an initial learning curve is unavoidable, Vim aims to be a hyperefficient text editor and provides an extensive plug-in system which can be configured to user preferences. It also supports hundreds of programming languages and file extensions.

This guide details the configuration of the Vim text editor and aims at those who are interested in taking the next step into customization. An array of methods for customizing Vim’s execution of certain tasks and response to user input will be introduced, along with a plug-in management system.

Upon the completion of this tutorial, you will have fine-tuned your Vim editor to behave more intelligently, as well as acquired exposure to managing external plug-ins.

1. A basic understanding of how to work within the Vim environment is necessary to complete this tutorial. Readers should be familiar with the steps for editing documents with Vim.

2. Working through this tutorial requires the use of a limited user account. If you have yet to create one, follow the steps in the Securing Your Server guide.

It is possible to customize Vim on a per-user basis or set configurations to apply system-wide. Integrating both options is also possible - and useful in situations where you would like some settings to apply to all accounts on the system, and other settings to apply to your own user account exclusively.

The configurations in this section will apply system-wide across all user accounts.

1. A default Vim installation will feature a file containing Vim’s core global settings called vimrc. This file will be located at either /etc/vim/vimrc or etc/vimrc, depending on your Linux distribution.

   Note

   Prefixing the sudo command is necessary when editing files where read and/or write permissions are not granted to your user account.

2. Open the vimrc file for editing. The file may syntactically differ between Linux distributions, but the core settings remain the same. In the file below, the segment containing the bulk of the configuration options is shown. Uncomment the lines whose behavior you wish to enable.

File: /etc/vimrc

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set showcmd› › " Show (partial) command in status line. set showmatch› › " Show matching brackets. set ignorecase›› " Do case insensitive matching set smartcase› › " Do smart case matching set incsearch› › " Incremental search set autowrite› › " Automatically save before commands like :next and :make set hidden›› " Hide buffers when they are abandoned set mouse=a› › " Enable mouse usage (all modes)

The configurations in this section will apply only to the active user account.

1. During Vim’s loading sequence, it will automatically check the current user’s home directory for a .vimrc file. All settings specified in this file will override explicitly contradicted settings in any previously loaded config files, which in this case is the global vimrc file.

From your active Vim session, create a .vimrc file in your home directory. The contents below consist of basic configuration settings most users would find helpful when utilizing Vim in any circumstance. You may pick and choose which settings you would like to add to your personal .vimrc file.

File: ~/.vimrc

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" Set compatibility to Vim only. set nocompatible " Helps force plug-ins to load correctly when it is turned back on below. filetype off " Turn on syntax highlighting. syntax on " For plug-ins to load correctly. filetype plugin indent on " Turn off modelines set modelines=0 " Automatically wrap text that extends beyond the screen length. set wrap " Vim's auto indentation feature does not work properly with text copied from outside of Vim. Press the <F2> key to toggle paste mode on/off. nnoremap <F2> :set invpaste paste?<CR> imap <F2> <C-O>:set invpaste paste?<CR> set pastetoggle=<F2> " Uncomment below to set the max textwidth. Use a value corresponding to the width of your screen. " set textwidth=79 set formatoptions=tcqrn1 set tabstop=2 set shiftwidth=2 set softtabstop=2 set expandtab set noshiftround " Display 5 lines above/below the cursor when scrolling with a mouse. set scrolloff=5 " Fixes common backspace problems set backspace=indent,eol,start " Speed up scrolling in Vim set ttyfast " Status bar set laststatus=2 " Display options set showmode set showcmd " Highlight matching pairs of brackets. Use the '%' character to jump between them. set matchpairs+=<:> " Display different types of white spaces. set list set listchars=tab:›\ ,trail:•,extends:#,nbsp:. " Show line numbers set number " Set status line display set statusline=%F%m%r%h%w\ [FORMAT=%{&ff}]\ [TYPE=%Y]\ [POS=%l,%v][%p%%]\ [BUFFER=%n]\ %{strftime('%c')} " Encoding set encoding=utf-8 " Highlight matching search patterns set hlsearch " Enable incremental search set incsearch " Include matching uppercase words with lowercase search term set ignorecase " Include only uppercase words with uppercase search term set smartcase " Store info from no more than 100 files at a time, 9999 lines of text, 100kb of data. Useful for copying large amounts of data between files. set viminfo='100,<9999,s100 " Map the <Space> key to toggle a selected fold opened/closed. nnoremap <silent> <Space> @=(foldlevel('.')?'za':"\<Space>")<CR> vnoremap <Space> zf " Automatically save and load folds autocmd BufWinLeave *.* mkview autocmd BufWinEnter *.* silent loadview"

Plug-ins are a powerful way to customize your Vim instance; they can grant you additional capabilities which can help address more specific usage needs.

The most effective way to install and manage plug-ins requires the use of a plug-in management tool. Instructions for installing Vim-Plug are provided below.

1. Install curl.

   Fedora/RHEL based

   sudo yum install curl
   

   Debian based

   sudo apt install curl
   

   Arch Linux

   sudo pacman -Syy curl
   

2. Create the installation directories, download, and install Vim-Plug from Github.

   sudo curl -fLo ~/.vim/autoload/plug.vim --create-dirs https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
   

Using a plug-in manager automates both the installation and setup of any plug-ins you choose to add.

1. Create a separate file to manage your plug-ins, and a new directory to store them.

   touch ~/.vimrc.plug
   mkdir ~/vimplug-plugins
   

2. Open .vimrc in the Vim editor and add the following text at the bottom to call the .vimrc.plug file.

   File: ~/.vimrc

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   . . . " Call the .vimrc.plug file if filereadable(expand("~/.vimrc.plug")) source ~/.vimrc.plug endif

3. Now, open the .vimrc.plug file in Vim. Populate the file with the contents below to add the Fugitive Vim plug-in, a Github wrapper. With this plug-in installed, you can now run a Git terminal from within Vim!

   Note

   Any additional plug-ins to be installed need to be added between the “plug#begin” and “plug#end” lines.

   File: ~/.vimrc.plug

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   call plug#begin('~/.vim/plugged') "Fugitive Vim Github Wrapper Plug 'tpope/vim-fugitive' call plug#end()

   Note

   If after this step you receive an error similar to E117 Unknown Function: plug#end check the user permissions over ~/.vim/ you may need to `chmod -R 0755

4. After saving and closing the .vimrc.plug file, exit and restart Vim. The final installation procedure is to issue the PlugInstall command in command mode. This will open the plug-in manager within Vim and proceed to install all plug-ins listed in the *vimrc.plug file. Installed plug-ins will automatically load the next time Vim is started.

   :PlugInstall
   

5. Additional commands for managing plug-ins via Vim-Plug are listed below.

   Command	Description
   PlugInstall	Install plugins
   PlugUpdate	Install or update plugins
   PlugClean[!]	Delete removed plugins
   PlugUpgrade	Upgrade Vim-Plug
   PlugStatus	List plugins and current status
   PlugDiff	Display changes made during updates
   PlugSnapshot[1] [/output/path]	Generate script for restoring current plugins

6. The commands listed above are by no means exhaustive. Most plug-ins also offer support documentation when installed, which can be accessed by typing help in command mode and browsing the Local Additions section.

Many additional plug-ins and tools exist to enhance your Vim experience. The Vim official website and online wiki offer additional ways to customize Vim as well as fully documenting its available features and commands. If a visual and interactive approach to creating your .vimrc file is desired, the Vim-Config website simplifies the process and auto generates the file.

One of the best places to search for additional plug-ins is on the VimAwesome website. Most of the plug-ins available for Vim are hosted there in a well-organized and easily searchable environment, along with instructions for installation for all the most popular plug-in management tools.

Lastly, if you want to gain a deeper understanding of Vim-Plug, the project’s Github page is an excellent place to start. Links for all these websites are provided in the External Resources section.

More Information

You may wish to consult the following resources for additional information on this topic. While these are provided in the hope that they will be useful, please note that we cannot vouch for the accuracy or timeliness of externally hosted materials.

• Vim official home page
• Vim-Config
• VimAwesome
• Vim-Plug Project Github Page
• The Vim Tips Wiki