if (!file.canRead()) { env.warning(L.l("{0} cannot be read", file.getFullPath()));
if (! file.canRead()) {
  public static boolean chmod(Env env, Path file, int mode)  {    if (!file.canRead()) {      env.warning(L.l("{0} cannot be read", file.getFullPath()));      return false;    }    // quercus/160j    // XXX: safe_mode    file.chmod(mode);    return true;  }