My Vim configuration

.vimrc

" https://github.com/tpope/vim-pathogen
call pathogen#infect()

syntax on
set number
set expandtab     " no real tabs
set softtabstop=2
set tabstop=4

" make backspace work normally
set backspace=indent,eol,start

"###################################################
"# http://amix.dk/vim/vimrc.html
"###################################################

" Sets how many lines of history VIM has to remember
set history=700

"Always show current position
set ruler


" Configure backspace so it acts as it should act
" set backspace=eol,start,indent
" set whichwrap+=<,>,h,l

" Highlight search results
set hlsearch

" For regular expressions turn magic on
set magic


" No annoying sound on errors
" set noerrorbells
" set novisualbell
" set t_vb=
" set tm=500


"###################################################
"# NERDTREE
"# http://kennedysgarage.com/articles/nerdtree
"###################################################

"Show hidden files in NerdTree  
let NERDTreeShowHidden=1
 
" Enable NERDTree plugin
autocmd VimEnter * NERDTree

filetype plugin indent on


" Close NERDTree, then vim
autocmd WinEnter * call s:CloseIfOnlyNerdTreeLeft()

" Close all open buffers on entering a window if the only
" buffer that's left is the NERDTree buffer
function! s:CloseIfOnlyNerdTreeLeft()
  if exists("t:NERDTreeBufName")
    if bufwinnr(t:NERDTreeBufName) != -1
      if winnr("$") == 1
        q
      endif
    endif
  endif
endfunction

" Close all open buffers on entering a window if the only
" buffer that's left is the NERDTree buffer

"autopen NERDTree and focus cursor in new document  
autocmd VimEnter * NERDTree  
autocmd VimEnter * wincmd p