How to resynchronize meta-data files?

tabdata, parent_tabdata and user_privilege meta-data files can be resynchronized with following script.

<?php

$Vtiger_Utils_Log = true;
include_once 'vtlib/Vtiger/Module.php';

Vtiger_Module::syncfile();
Vtiger_Menu::syncfile();
Vtiger_Access::syncSharingAccess();

echo "DONE";