category.php

<?php
require_once 'abstract.php';

class Nudorm_Shell_Category extends Mage_Shell_Abstract
{
    /**
     * Run script
     *
     */
    public function run()
    {
        if (!$this->getArg('import') && !$this->getArg('export')) {
            print $this->usageHelp();
            return;
        }

        if ($this->getArg('import') && !is_readable($this->getArg('file'))) {
            printf("Provided file path '%s' is not readable.", is_readable($this->getArg('file')));
            print $this->usageHelp();
            return;
        }

        if ($this->getArg('export') && !is_writable($this->getArg('file'))) {
            printf("Provided file path '%s' is not writable.", is_readable($this->getArg('file')));
            print $this->usageHelp();
            return;
        }

        $this->stores = Mage::app()->getStores();
    }

    protected function export()
    {
        foreach ($this->stores as $store) {
          if(!is_array($this->categories[$store->getCode()])) {
            $this->categories[$store->getCode()] = array();
          }

          Mage::setCurrentStore($store->getId());

          $categoryCollection = Mage::getModel('catalog/category')->getCollection()->load();

          foreach ($categoryCollection as $category) {
              $this->categories[$store->getCode()] = $category->getData();

              unset($this->categories[$store->getCode()]['entity_id']);
          }
        }

        print_r($this->categories);
    }

    protected function import()
    {

    }

    protected function findCategory($store, $name)
    {

    }

    protected function saveCategory($store, $name)
    {

    }

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

  --file <path>                 File to use for import/export
  import                        Import categories from provided file
  export                        Export categories to provided file
  help                          This help

  <path>     Path to a file to use for import/export

USAGE;
    }
}