cache.php

<?php
/**
 * Clear cache cli style
 *
 *
 * @category    Mage
 * @package     Mage_Shell
 * @copyright   Copyright (c) 2015 Bjarne Oeverli (http://bjarneo.codes)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

require_once 'abstract.php';

/**
 * Magento Cache Shell Script
 *
 * @category    Mage
 * @package     Mage_Shell
 * @author      Bjarne Oeverli <bjarne.oeverli@gmail.com>
 */
class Mage_Shell_Cache extends Mage_Shell_Abstract
{

    /**
     * Get Mage app
     *
     */
    private function _getApp()
    {
        return Mage::app();
    }

    /**
     * Run script
     *
     */
    public function run()
    {
        if ($this->getArg('clear')) {

            if ($cache = $this->_getApp()->getCache()) {

                $cache->clean();

                echo 'Cache cleared'.PHP_EOL;
            }

        } elseif ($this->getArg('enable')) {

            $this->toggleCache(true);

            echo 'Cache enabled'.PHP_EOL;

        } elseif ($this->getArg('disable')) {

            $this->toggleCache(false);

            echo 'Cache disabled'.PHP_EOL;

        } else {

            echo $this->usageHelp();

        }
    }

    /**
     * Enable/disable caches
     *
     * @param boolean $enable
     */
    protected function toggleCache($enable)
    {
        $caches = $this->_getApp()->useCache();

        foreach($caches as $cache => $status){

            if($status != $enable) $caches[$cache] = $enable;

        }

        $this->_getApp()->saveUseCache($caches);

    }

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

  clear                         Clear cache
  enable                       Enable cache
  disable                       Disable cache
  help                          This help

USAGE;
    }
}

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