Script to re-save Magento store products per store/product type

resave.php

<?php
require_once 'abstract.php';

class Mmartinovic_Shell_Resave extends Mage_Shell_Abstract
{
    protected $_stores = [];
    protected $_types = [];

    public function __construct() {
        parent::__construct();

        ini_set('memory_limit', '-1');

        $stores = Mage::app()->getStores(true, true);

        if($this->getArg('stores')) {
            $s = array_flip(explode(',', $this->getArg('stores')));
            $this->_stores = array_intersect_key(
                $stores,
                array_flip(explode(',', $this->getArg('stores')))
            );
        }

        if($this->getArg('types')) {
            $this->_types = array_intersect(
                explode(',', $this->getArg('types')),
                [
                    Mage_Catalog_Model_Product_Type::TYPE_BUNDLE,
                    Mage_Catalog_Model_Product_Type::TYPE_SIMPLE,
                    Mage_Catalog_Model_Product_Type::TYPE_CONFIGURABLE,
                    Mage_Catalog_Model_Product_Type::TYPE_GROUPED,
                    Mage_Catalog_Model_Product_Type::TYPE_VIRTUAL
                ]
            );
        }
    }

    // Shell script point of entry
    public function run() {
        /** @var Zeeandco_Custom_Model_Core_Store $store */
        foreach($this->_stores as $store) {

            printf('Processing "%s" store'.PHP_EOL, $store->getCode());

            /** @var Mage_Catalog_Model_Resource_Product_Collection $productCollection */
            $productCollection = Mage::getResourceModel('catalog/product_collection');

            $productCollection
                ->addAttributeToFilter(
                    [
                        [
                            'attribute' => Zeeandco_Custom_Model_Core_Store::STORE_ATTRIBUTE,
                            'eq' => $store->getZeeStoreOptionId()
                        ]
                    ]
                )
                ->addAttributeToFilter(
                    [
                        [
                            'attribute' => 'type_id',
                            'in' => $this->_types
                        ]
                    ]
                );

            if(!($productIds = $productCollection->getAllIds())) {
                continue;
            };

            $total = $productCollection->getSize();
            $count = 0;
            foreach($productIds as $productId) {
                printf('[%d/%d]'.PHP_EOL, ++$count, $total);

                try {
                    /** @var Mage_Catalog_Model_Product $product */
                    $product = Mage::getModel('catalog/product')
                        ->load($productId);

                    $product->setStoreId(Mage_Core_Model_App::ADMIN_STORE_ID)

                        // Schedule the partial reindex regardless to current indexer settings
                        ->setIsMassupdate(true)

                        // Do not mess with url rewrites cause nothing changed
                        ->setExcludeUrlRewrite(true)

                        ->save();
                } catch (Exception $e) {
                    printf(
                        'Error while saving product ID "%d" on store code "%d"'.PHP_EOL,
                        $productId,
                        $store->getCode()
                    );
                }

            }
        }
    }

    // Usage instructions
    public function usageHelp()
    {
        $file = basename(__FILE__);

        return <<<USAGE
Usage:  php -f $file -- [options]

This script sets memory limit to -1. Beware of the memory leak within product model!
 
  --stores <store_code_1,store_code2>       CSV of store codes to process
  --types <simple,configurable>             CSV of product types to process
 
  help                   This help
 
USAGE;
    }
}
// Instantiate
$shell = new Mmartinovic_Shell_Resave();

// Initiate script
$shell->run();