Joomla CLI script for fixing **something**

gistfile1.php

<?php
/**
 * Cleanup Script
 *
 * @package    ABITDIRTY
 * @author     Robert Deutz <rdeutz@googlemail.com>
 *
 * @copyright  2015 Robert Deutz
 * @license    GNU General Public License version 2 or later
 **/

// Set flag that this is a parent file.
const _JEXEC = 1;

error_reporting(E_ALL | E_NOTICE);
ini_set('display_errors', 1);

// Load system defines
if (file_exists(dirname(__DIR__) . '/defines.php'))
{
	require_once dirname(__DIR__) . '/defines.php';
}

if (!defined('_JDEFINES'))
{
	define('JPATH_BASE', dirname(__DIR__));
	require_once JPATH_BASE . '/includes/defines.php';
}

require_once JPATH_LIBRARIES . '/import.legacy.php';
require_once JPATH_LIBRARIES . '/cms.php';

// Load the configuration
require_once JPATH_CONFIGURATION . '/configuration.php';

// Load the JApplicationCli class
JLoader::import('joomla.application.cli');
JLoader::import('joomla.application.component.helper');
JLoader::import('cms.component.helper');

/**
 * This script will do some magic
 *
 * @since  0.0.1
 */
class MyCleanup extends JApplicationCli
{
	/**
	 * Entry point for the script
	 *
	 * @return  mixed
	 */
	public function doExecute()
	{
		$db    = JFactory::getDBO();
		$query = $db->getQuery(true);

		$query->select('*')
			->from('#__content')
		;

		$db->setQuery($query);

		$results = $db->loadObjectList();

		foreach ($results as $result)
		{
			echo 'Content-Id= ' . $result->id . "\n";

			// do whatever has to be done
		}

		return true;
	}
}

JApplicationCli::getInstance('MyCleanup')->execute();