.vimrc

        NeoBundle 'Shougo/vimfiler'
            nnoremap <silent> fv :VimFiler<cr>
            let g:vimfiler_as_default_explorer=1
            let g:vimfiler_execute_file_list={}
            let g:vimfiler_execute_file_list["_"]="vim"
            let g:vimfiler_edit_action="vsplit"
            let g:vimfiler_directory_display_top=1
            let g:vimfiler_safe_mode_by_default=0
            let g:vimfiler_enable_auto_cd=1