#!/bin/sh

XEMACS=/usr/bin/xemacs

usage() {
  echo "Usage: $0 FILE1 FILE2" > /dev/stderr
  echo "       or DIR1  DIR2" > /dev/stderr
  exit 1
}

if [ $# -ne 2 ] ;then
  usage
fi

if [ -f $1 -a -f $2 ] ;then
    $XEMACS -eval "(ediff \"$1\"  \"$2\")"
fi

if [ -d $1 -a -d $2 ] ;then
    $XEMACS -eval "(ediff-directories \"$1\"  \"$2\" \"\")"
fi

usage