My .vimrc VIM config file.

.vimrc

set encoding=utf-8
scriptencoding utf-8

" statusline - help.txt[-][RO][HELP]   1C,1/221L 1%   @20:00 [utf-8][unix][help]
set statusline=%F%m%r%h%w\ %3vC,%l/%LL\ %p%%
set statusline+=%=\ " \<space>

function FormatTime(t)

  if a:t == -1
    return ""
  endif

  let lt = localtime()

  if strftime("%Y%m%d", lt) == strftime("%Y%m%d", a:t)
    let df = "@%H:%M "
  elseif strftime("%Y", lt) == strftime("%Y", a:t)
    let df = "@%m/%d %H:%M "
  else
    let df = "@%Y/%m/%d "
  endif

  " "@2016/09/03 01:02" -> "@2016/9/3 1:02"
  let dstr = substitute(strftime(df, a:t), "@0", "@", "g")
  let dstr = substitute(dstr, "/0", "/", "g")
  let dstr = substitute(dstr, " 0", " ", "g")

  return dstr

endfunction

set statusline+=%{FormatTime(getftime(expand('%:p')))}
set statusline+=[%{has('multi_byte')&&\&fileencoding!=''?&fileencoding:&encoding}][%{&fileformat}]%y

set laststatus=2
set cmdheight=1
set wildmenu

set list
set listchars=tab:»\ ,trail:␣,extends:»,precedes:«
set autoindent
set smartindent

set ignorecase
set smartcase
set incsearch
set hlsearch

syntax on

set nobackup
set noundofile


autocmd BufRead,BufNewFile *.c set tabstop=4
autocmd BufRead,BufNewFile *.cpp set tabstop=4
autocmd BufRead,BufNewFile *.h set tabstop=4