public function all($args, $assoc_args)
  {
    $result = self::replace_content($args,$assoc_args);

    if ( isset($assoc_args['dry-run']) )
      WP_CLI::success("Found {$result['replaced_count']} from {$result['considered_count']} attachments to replace.");
    else
      WP_CLI::success("Replaced {$result['replaced_count']} from {$result['considered_count']} attachments.");
  }