A Magento shell script to mass delete customer accounts created by spam

customer.php

<?php

require_once 'abstract.php';

class Mage_Shell_Customer extends Mage_Shell_Abstract
{

    /**
     * Run script
     *
     */
    public function run()
    {

        $collection = Mage::getModel('customer/customer')->getCollection()
           ->addAttributeToSelect('firstname')
           ->addAttributeToSelect('lastname')
           ->addAttributeToSelect('email');

        if (!$this->getArg('delete') && !$this->getArg('print')) {
            printf("ERROR: Either --delete or --print must be specified\n");
            exit(1);
        }

        if ($name = $this->getArg('firstname'))
            $collection->addAttributeToFilter('firstname', array('like' => $name));

        if ($name = $this->getArg('lastname'))
            $collection->addAttributeToFilter('lastname', array('like' => $name));

        if ($name = $this->getArg('email'))
            $collection->addAttributeToFilter('email', array('like' => $name));


        foreach ($collection as $item) {
            if ($this->getArg('delete')) {
                printf("Deleting ID:%s\n", $item->getId());
                $item->delete();
            } else {
                printf("%s\t%s\n",
                    str_pad($item->getFirstname() . $item->getLastname(), 50),
                    $item->getEmail()
                );
            }
        }

    }

    /**
     * Retrieve Usage Help Message
     *
     */
    public function usageHelp()
    {
        return <<<USAGE
Usage:  php -f customer.php -- [options]

    --firstname     Filter by first name
    --lastname      Filter by last name
    --email         Filter by email

    --delete        Delete matching users
    --print         Display matching users
    
Examples:

    php shell/customer.php --lastname "%qq.com%" --list
    php shell/customer.php --email "%.ru" --delete

USAGE;
    }

}

$customer = new Mage_Shell_Customer();
$customer->run();

There is an mistake in the script. When you use the option email, it still searches for lastname.

There is an mistake in the script. When you use the option email, it still searches for lastname.

Updated

        if ($name = $this->getArg('email'))
            $collection->addAttributeToFilter('email', array('like' => $name));