autofind_nerdtree.vim

" ----------------------------------------------------------------------------
" NERDTree
" ----------------------------------------------------------------------------
function! NERDTreeFindOrToggle()
  let s:empty = @% == "" || filereadable(@%) == 0 || line('$') == 1 && col('$') == 1
  if s:empty || exists("b:fugitive_type") || exists("t:NERDTreeBufName") && bufwinnr(t:NERDTreeBufName) != -1
    :NERDTreeToggle
  else
    :NERDTreeFind
  endif
endfunction
map <silent> <Leader>n :call NERDTreeFindOrToggle()<CR>