public function convertDirectoryFilesNamesToUTF8($params = array())
	{
		if(isset($params['repertoire']) && $params['repertoire']!='')
		{
			$slash = "/";
			if(pia_substr($params['repertoire'],-1)=='/')
			{
				$slash = "";
			}
			exec("convmv -f iso-8859-1 -t utf-8 -r ".$params['repertoire'].$slash."* --notest");
		}
	}