function upgradefilenames($request)
 {
     if ($folderID = intval($request->param("ID"))) {
         $verbose = Director::is_ajax() ? false : true;
         if ($count = MetaTagCMSControlFileUse::upgrade_file_names($folderID, $verbose)) {
             Session::set("MetaTagCMSControlMessage", _t("MetaTagCMSControl.NAMESUPDATED", "Updated {$count} file names."));
             return $this->returnAjaxOrRedirectBack($verbose);
         }
     }
     Session::set("MetaTagCMSControlMessage", _t("MetaTagCMSControl.NAMESNOTUPDATED", "ERROR: Did not update any file names"));
     return $this->returnAjaxOrRedirectBack();
 }