"{$this->config['tidyBin']} -config {$this->config['tidyConfigFile']} " .
$this->config['tidyCommandLine'] . $opts, $descriptorspec, $pipes );
"{$this->config['tidyBin']} -config {$this->config['tidyConfigFile']} " .
$this->config['tidyCommandLine'] . $opts, $descriptorspec, $pipes );