Hide Magento 1 products with configurable parents

hide_children_products.php

<?php

require_once 'abstract.php';

class Hide_Children_Products extends Mage_Shell_Abstract {

    /**
     * Hide products having at least one configurable parent
     */
    public function run()
    {
        $products = Mage::getModel('catalog/product')
                ->getCollection()
                ->addAttributeToSelect('*')
                ->addAttributeToFilter('type_id', array('eq' => 'configurable'));

        foreach ($products as $product) {
            
            $product = Mage::getModel('catalog/product')->load($product->getId());
            $children = $product->getTypeInstance()->getUsedProducts($product);
            foreach ($children as $child) {
                if ($product->getStatus() && 
                    $product->getVisiblity() != Mage_Catalog_Model_Product_Visibility::VISIBILITY_NOT_VISIBLE && 
                    $child->getVisibility() != Mage_Catalog_Model_Product_Visibility::VISIBILITY_NOT_VISIBLE
                    ) {
                         $child = Mage::getModel('catalog/product')->load($child->getId());
                         $this->output($child->getName());
                         $child->setVisibility(Mage_Catalog_Model_Product_Visibility::VISIBILITY_NOT_VISIBLE);
                         $child->save();
                }
            }
        }
    }

}

$shell = new Hide_Children_Products();
$shell->run();