configuration file for vim

.vimrc

set background=dark
syntax enable
set mouse=n
set number
set wildmenu
set ruler
set backspace=eol,start,indent
set whichwrap+=<,>,h,l
set ignorecase
set smartcase
set incsearch
set showmatch
set smarttab
set shiftwidth=8
set tabstop=8
set ai
set si
set wrap

match ErrorMsg '\%>68v.\+\|\s\+$\| \+\ze\t'

fun! CleanExtraSpaces()
    let save_cursor = getpos(".")
    let old_query = getreg('/')
    silent! %s/\s\+$//e
    call setpos('.', save_cursor)
    call setreg('/', old_query)
endfun

if has("autocmd")
    autocmd BufWritePre *.txt,*.js,*.py,*.wiki,*.sh,*.coffee :call CleanExtraSpaces()
endif