diff --git a/.vim/autoload/vimrc.vim b/.vim/autoload/vimrc.vim
--- a/.vim/autoload/vimrc.vim
+++ b/.vim/autoload/vimrc.vim
@@ -47,3 +47,16 @@ func! vimrc#Hgcd() abort
   pwd
 endfunc
 
+func! vimrc#SafeFilterFile(cmd)
+  let errors = tempname()
+  try
+    exec 'silent %!' . a:cmd . ' 2>' . shellescape(errors)
+    if v:shell_error
+      for line in readfile(errors)
+        echomsg line
+      endfor
+    endif
+  finally
+    call delete(errors)
+  endtry
+endfunc