create url rewrite by sku

url_rewrites.php

<?php
define('MAGENTO', realpath(dirname(__FILE__)));
ini_set('memory_limit', '512M');
set_time_limit (0);
require_once MAGENTO . '/app/Mage.php';


Mage::app();

$products = array(

    "41020300"=>"product.html/ekologisk-docka-i-gots-certifierat-tyg-stoppad-med-ekologisk-ull-blavit-randig-troja-vita-skor-och-roda-byxor"
    
);

foreach($products as $sku => $request) {
    $mageProduct = Mage::getModel('catalog/product')->loadByAttribute('sku',$sku);
    if(is_object($mageProduct)) {
        $target = $mageProduct->getUrlKey();
        $id = $mageProduct->getId();

        Mage::getModel('core/url_rewrite')
            ->setIsSystem(0)
            ->setStoreId(1)
            ->setOptions('RP')
            ->setIdPath('product/' . $id)
            ->setTargetPath($target . '.html')
            ->setRequestPath($request)->save();
    } else {
        Mage::log('sku:' . $sku,null,'urlrewrite.log');
    }


}
?>