#!/bin/sh
  
  # get list of available X windows.
  x=`emacsclient --alternate-editor '' --eval '(x-display-list)' 2>/dev/null`
  
  if [ -z "$x" ] || [ "$x" = "nil" ] ;then
      # Create one if there is no X window yet.
      emacsclient --alternate-editor "" --create-frame "$@"
  else
      # prevent creating another X frame if there is at least one present.
      emacsclient --alternate-editor "" "$@"
  fi