public function filters(CommandBuilder $builder, array $filters)
 {
     for ($i = 0; $i <= count($filters) - 1; $i++) {
         $builder->push('-iname')->addArgs($filters[$i]);
         if ($i < count($filters) - 1) {
             $builder->push('-o');
         }
     }
 }
 /**
  * 
  * @param CommandBuilder $builder
  * @param type $included
  */
 protected function makeIncludedText(CommandBuilder $builder, $included)
 {
     $builder->push('| xargs grep -r "' . $included . '"');
 }