gistfile1

diff --git a/autoload/quickrun/module.vim b/autoload/quickrun/module.vim
index e81fab5..ef45604 100644
--- a/autoload/quickrun/module.vim
+++ b/autoload/quickrun/module.vim
@@ -33,6 +33,9 @@ function! s:templates.runner.run(commands, input, session)
   throw 'quickrun: A runner should implements run()'
 endfunction
 function! s:templates.runner.shellescape(str)
+  if a:str !~ '\n'
+    return a:str
+  endif
   if s:is_cmd_exe()
     return '^"' . substitute(substitute(substitute(a:str,
     \             '[&|<>()^"%]', '^\0', 'g'),