[Commands] CTRL-X to directly execute the command

Close #162

README.md

@@ -121,15 +121,20 @@ let g:fzf_colors =
 
 #### Command-local options
 
+The right-hand-side values are the default values for the options.
+
 ```vim
 " [Buffers] Jump to the existing window if possible
-let g:fzf_buffers_jump = 1
+let g:fzf_buffers_jump = 0
 
 " [[B]Commits] Customize the options used by 'git log':
 let g:fzf_commits_log_options = '--graph --color=always --format="%C(auto)%h%d %s %C(black)%C(bold)%cr"'
 
 " [Tags] Command to generate tags file
 let g:fzf_tags_command = 'ctags -R'
+
+" [Commands] --expect expression for directly executing the command
+let g:fzf_commands_expect = 'ctrl-x'
 ```
 
 #### Advanced customization using autoload functions

autoload/fzf/vim.vim

@@ -709,9 +709,16 @@ function! s:format_cmd(line)
         \ '\=s:nbs.s:yellow(submatch(1), "Function").s:nbs', '')
 endfunction
 
-function! s:command_sink(cmd)
+function! s:command_sink(lines)
-  let cmd = matchstr(a:cmd, s:nbs.'\zs\S*\ze'.s:nbs)
+  if len(a:lines) < 2
-  call feedkeys(':'.cmd.(a:cmd[0] == '!' ? '' : ' '))
+    return
+  endif
+  let cmd = matchstr(a:lines[1], s:nbs.'\zs\S*\ze'.s:nbs)
+  if empty(a:lines[0])
+    call feedkeys(':'.cmd.(a:lines[1][0] == '!' ? '' : ' '))
+  else
+    execute cmd
+  endif
 endfunction
 
 function! s:format_excmd(ex)
@@ -752,8 +759,9 @@ function! fzf#vim#commands(...)
   let list = split(cout, "\n")
   return s:fzf({
   \ 'source':  extend(extend(list[0:0], map(list[1:], 's:format_cmd(v:val)')), s:excmds()),
-  \ 'sink':    s:function('s:command_sink'),
+  \ 'sink*':   s:function('s:command_sink'),
-  \ 'options': '--ansi --tiebreak=index --header-lines 1 -x --prompt "Commands> " -n2,3,2..3 -d'.s:nbs}, a:000)
+  \ 'options': '--ansi --expect '.get(g:, 'fzf_commands_expect', 'ctrl-x').
+  \            ' --tiebreak=index --header-lines 1 -x --prompt "Commands> " -n2,3,2..3 -d'.s:nbs}, a:000)
 endfunction
 
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