编辑器设置：

• syntax on 语法高亮
• set number 显示行号
• set autoindent set cindent 自动缩进
• 自动加入文件头:
  autocmd BufNewFile .py,.cpp,.sh,.java exec ":call SetTitle()"
  func SetTitle()
  if &filetype == 'sh'
  call setline(1,"#!/bin/bash")
  call append(line("."), "# Author:Byrd")
  call append(line(".")+1, "# Version:0.1")
  call append(line(".")+2, "# Site:www.t4x.org")
  call append(line(".")+3, "# Contact:root#t4x.org")
  call append(line(".")+4, "")
  elseif &filetype == 'cpp'
  call setline(1,"// File Name: ".expand("%"))
  call append(line("."), "// Author: Byrd")
  call append(line(".")+1, "// Created Time: ".strftime("%c"))
  call append(line(".")+2, "")
  call append(line(".")+3, "#include<iostream>")
  call append(line(".")+4, "#include<string>")
  call append(line(".")+5, "#include<algorithm>")
  call append(line(".")+6, "#include<cstdlib>")
  call append(line(".")+7, "using namespace std;")
  call append(line(".")+8, "int main(){")
  call append(line(".")+9, "")
  call append(line(".")+10, " return 0")
  call append(line(".")+11,"}")
  elseif &filetype == 'python'
  call setline(1,"#!/usr/bin/env python")
  call append(line("."), "# Author: Byrd")
  call append(line(".")+1, "# Created Time: ".strftime("%c"))
  call append(line(".")+2, "")
  else
  call setline(1,"/")
  call append(line("."), " Author: Byrd")
  call append(line(".")+1, "* Created Time: ".strftime("%c"))
  call append(line(".")+2, "*/")
  call append(line(".")+3, "")
  endif
  endfunc

"新建文件后，自动定位到文件末尾
autocmd BufNewFile * normal G
"ts是tabstop的缩写，设TAB宽4个空格

set ts=4
set expandtab