example.vimrc

" An example for a vimrc file.
"
" Maintainer:   Bram Moolenaar <Bram@vim.org>
" Last change:  2008 Jul 02
"
" To use it, copy it to
"     for Unix and OS/2:  ~/.vimrc
"             for Amiga:  s:.vimrc
"  for MS-DOS and Win32:  $VIM\_vimrc
"           for OpenVMS:  sys$login:.vimrc

" When started as "evim", evim.vim will already have done these settings.
if v:progname =~? "evim"
  finish
endif

" Use Vim settings, rather then Vi settings (much better!).
" This must be first, because it changes other options as a side effect.
set nocompatible

" allow backspacing over everything in insert mode
set backspace=indent,eol,start

if has("vms")
  set nobackup          " do not keep a backup file, use versions instead
else
  set backup            " keep a backup file
endif
set history=50          " keep 50 lines of command line history
set ruler               " show the cursor position all the time
set showcmd             " display incomplete commands
set incsearch           " do incremental searching

" For Win32 GUI: remove 't' flag from 'guioptions': no tearoff menu entries
" let &guioptions = substitute(&guioptions, "t", "", "g")

" Don't use Ex mode, use Q for formatting
map Q gq

" CTRL-U in insert mode deletes a lot.  Use CTRL-G u to first break undo,
" so that you can undo CTRL-U after inserting a line break.
inoremap <C-U> <C-G>u<C-U>

" In many terminal emulators the mouse works just fine, thus enable it.
if has('mouse')
  set mouse=a
endif

" Switch syntax highlighting on, when the terminal has colors
" Also switch on highlighting the last used search pattern.
if &t_Co > 2 || has("gui_running")
  syntax on
  set hlsearch
endif

" Only do this part when compiled with support for autocommands.
if has("autocmd")

  " Enable file type detection.
  " Use the default filetype settings, so that mail gets 'tw' set to 72,
  " 'cindent' is on in C files, etc.
  " Also load indent files, to automatically do language-dependent indenting.
  filetype plugin indent on

  " Put these in an autocmd group, so that we can delete them easily.
  augroup vimrcEx
  au!

  " For all text files set 'textwidth' to 78 characters.
  autocmd FileType text setlocal textwidth=78

  " When editing a file, always jump to the last known cursor position.
  " Don't do it when the position is invalid or when inside an event handler
  " (happens when dropping a file on gvim).
  " Also don't do it when the mark is in the first line, that is the default
  " position when opening a file.
  autocmd BufReadPost *
    \ if line("'\"") > 1 && line("'\"") <= line("$") |
    \   exe "normal! g`\"" |
    \ endif

  augroup END

else

  set autoindent                " always set autoindenting on

endif " has("autocmd")

" Convenient command to see the difference between the current buffer and the
" file it was loaded from, thus the changes you made.
" Only define it when not defined already.
if !exists(":DiffOrig")
  command DiffOrig vert new | set bt=nofile | r # | 0d_ | diffthis
                  \ | wincmd p | diffthis
endif

" mine settings - nuclight

set formatoptions=tcrql1
set ignorecase smartcase

" im particular allows to use FreeBSD's crontab -e
set backupskip=/tmp/*,/var/tmp/*

"<F7> EOL format (dos <CR><NL>,unix <NL>,mac <CR>) 
set  wildmenu 
set  wcm=<Tab> 
menu EOL.unix :set fileformat=unix<CR> 
menu EOL.dos  :set fileformat=dos<CR> 
menu EOL.mac  :set fileformat=mac<CR> 
map  <F7> :emenu EOL.<Tab>

""<F8> Change encoding 
set  wildmenu 
set  wcm=<Tab> 
menu EEnc.cp1251     :e ++enc=cp1251<CR> 
menu EEnc.koi8-r     :e ++enc=koi8-r<CR> 
menu EEnc.cp866      :e ++enc=ibm866<CR> 
menu EEnc.utf-8      :e ++enc=utf-8<CR> 
menu EEnc.ucs-2le    :e ++enc=ucs-2le<CR> 
map  <F8> :emenu EEnc.<Tab>

"<Shift+F8> Convert file encoding 
set  wildmenu 
set  wcm=<Tab> 
menu FEnc.cp1251    :set fenc=cp1251<CR> 
menu FEnc.koi8-r    :set fenc=koi8-r<CR> 
menu FEnc.cp866     :set fenc=ibm866<CR> 
menu FEnc.utf-8     :set fenc=utf-8<CR> 
menu FEnc.ucs-2le   :set fenc=ucs-2le<CR> 
map  <S-F8> :emenu FEnc.<Tab>

set modifiable
map <F2> :emenu <Tab>

" folding etc. by jerom
au BufNewFile,BufRead /usr/ports/UPDATING se foldmethod=indent
au BufNewFile,BufRead /usr/ports/UPDATING se sw=2
au BufNewFile,BufRead /usr/ports/UPDATING syn match date "^20[01][0-9][0-9][0-9][0-9][0-9]:.*"
au BufNewFile,BufRead /usr/ports/UPDATING syn match author "^  AUTHORS\?:.*"
au BufNewFile,BufRead /usr/ports/UPDATING syn match affects "^  AFFECTS:.*"
au BufNewFile,BufRead /usr/ports/UPDATING hi date ctermfg=darkgreen
au BufNewFile,BufRead /usr/ports/UPDATING hi author ctermfg=blue
au BufNewFile,BufRead /usr/ports/UPDATING hi affects ctermfg=red

" autocompletion on Ctrl-Space as in typical IDE
inoremap <expr> <C-Space> pumvisible() \|\| &omnifunc == '' ? "\<lt>C-n>" :
                        \ "\<lt>C-x>\<lt>C-o><c-r>=pumvisible() ?" . 
                        \ "\"\\<lt>c-n>\\<lt>c-p>\\<lt>c-n>\" :" .
                        \ "\" \\<lt>bs>\\<lt>C-n>\"\<CR>"
imap <C-@> <C-Space>
inoremap <Down> <C-R>=pumvisible() ? "\<lt>C-N>" : "\<lt>Down>"<CR>
inoremap <Up> <C-R>=pumvisible() ? "\<lt>C-P>" : "\<lt>Up>"<CR>

" folding
let g:sh_fold_enabled=3
set foldnestmax=2
set foldminlines=8

" dark-blue is unreadable on black
hi Comment      guifg=#80a0ff ctermfg=lightblue