gistfile1.txt

<?php
/**
 * File mymodule.drush.inc.php
**/
/**
 * Implementation of hook_drush_command().
 */
function mymodule_drush_command() {
  $items['mymodule-action'] = array(
    'description' => 'Your pretty description to show on drush help',
    'bootstrap' => DRUSH_BOOTSTRAP_DRUSH, // your level access required (into a drupal, outside a drupal, etc.)
  );
  return $item;
  }
  
/**
 * Implements mymodule-action command callback.
 *
**/
function drusn_mymodule_mymodule_command (){
  // your drush actions comes here
  drush_print ('hola k ase');
}