Script to recalculate all unfrozen URI values for MODX Resources in 2.1.x+

recalculateURIs.php

<?php
include 'config.core.php';
include MODX_CORE_PATH . 'model/modx/modx.class.php';
$modx = new modX();

$modx->setLogTarget(XPDO_CLI_MODE ? 'ECHO' : 'HTML');
$modx->initialize('mgr');

$modx->setLogLevel(modX::LOG_LEVEL_INFO);

$modx->exec("UPDATE {$modx->getTableName('modResource')} SET uri = '' WHERE uri_override = 0");

$modx->call('modResource', 'refreshURIs', array(&$modx));