Fixed https://github.com/amix/vimrc/issues/321

vimrcs/basic.vim

@@ -373,3 +373,26 @@ function! <SID>BufcloseCloseIt()
      execute("bdelete! ".l:currentBufNum)
    endif
 endfunction
+
+function! CmdLine(str)
+    exe "menu Foo.Bar :" . a:str
+    emenu Foo.Bar
+    unmenu Foo
+endfunction 
+
+function! VisualSelection(direction, extra_filter) range
+    let l:saved_reg = @"
+    execute "normal! vgvy"
+
+    let l:pattern = escape(@", "\\/.*'$^~[]")
+    let l:pattern = substitute(l:pattern, "\n$", "", "")
+
+    if a:direction == 'gv'
+        call CmdLine("Ack '" . l:pattern . "' " )
+    elseif a:direction == 'replace'
+        call CmdLine("%s" . '/'. l:pattern . '/')
+    endif
+
+    let @/ = l:pattern
+    let @" = l:saved_reg
+endfunction