execute_env_file (env_file)
      char *env_file;
{
  char *fn;

  if (env_file && *env_file)
    {
      fn = expand_string_unsplit_to_string (env_file, Q_DOUBLE_QUOTES);
      if (fn && *fn)
	maybe_execute_file (fn, 1);
      FREE (fn);
    }
}