vim configuration

_vimrc

source $VIMRUNTIME/vimrc_example.vim
source $VIMRUNTIME/mswin.vim
behave mswin

set diffexpr=MyDiff()
function MyDiff()
  let opt = '-a --binary '
  if &diffopt =~ 'icase' | let opt = opt . '-i ' | endif
  if &diffopt =~ 'iwhite' | let opt = opt . '-b ' | endif
  let arg1 = v:fname_in
  if arg1 =~ ' ' | let arg1 = '"' . arg1 . '"' | endif
  let arg2 = v:fname_new
  if arg2 =~ ' ' | let arg2 = '"' . arg2 . '"' | endif
  let arg3 = v:fname_out
  if arg3 =~ ' ' | let arg3 = '"' . arg3 . '"' | endif
  if $VIMRUNTIME =~ ' '
    if &sh =~ '\<cmd'
      if empty(&shellxquote)
        let l:shxq_sav = ''
        set shellxquote&
      endif
      let cmd = '"' . $VIMRUNTIME . '\diff"'
    else
      let cmd = substitute($VIMRUNTIME, ' ', '" ', '') . '\diff"'
    endif
  else
    let cmd = $VIMRUNTIME . '\diff'
  endif
  silent execute '!' . cmd . ' ' . opt . arg1 . ' ' . arg2 . ' > ' . arg3
  if exists('l:shxq_sav')
    let &shellxquote=l:shxq_sav
  endif
endfunction

" Must come first because it changes other options
set nocompatible

" Turn on syntax highlighting
syntax enable
" Turn on file type detection
filetype plugin indent on

" Load the matchit plugin
runtime macros/matchit.vim

" Display incomplete commands
set showcmd
" Display the mode you're in
set showmode

" Intuitive backspacing
set backspace=indent,eol,start

" Handle multiple buffers better
set hidden

" Enhanced command line completion
set wildmenu
" Complete files like a shell
set wildmode=list:longest

" Case-insensitive searching
set ignorecase
" But case-sensitive if expression contains a capital letter
set smartcase

" Show line numbers
set number
" Show cursor position
set ruler

" Highlight matches as you type
set incsearch
" Highlight matches
set hlsearch

" Turn on line wrapping
set wrap
" Show 3 lines of context around the cursor
set scrolloff=3

" Set the terminal's title
set title

" No beeping
set visualbell

" store backup, undo and swap files into temp directory
set directory=$HOME/temp//
set backupdir=$HOME/temp//
set undodir=$HOME/temp//

" Don't make a backup before overwriting a file
set nobackup
" And again
set nowritebackup
" Keep swap files in one location
set directory=$HOME/.vim/tmp//,.

" Automaticatlly use the current file's directory as the working directory
set autochdir

" Set tab stop to be 2 spaces
set tabstop=2
set shiftwidth=2
set expandtab

" Show the status line all the time
set laststatus=2
" Useful status information at bottom of screen
set statusline=[%n]\ %<%.99f\ %h%w%m%r%y\ %{exists('*CapsLockStatusline')?CapsLockStatusline():''}%=%-16(\ %l,%c-%v\ %)%P