public function input($filename, $input)
{
if (substr($filename, strlen($this->_settings['ext']) * -1) !== $this->_settings['ext']) {
return $input;
}
$filename = preg_replace('/ /', '\\ ', $filename);
$bin = $this->_settings['sass'] . ' ' . $filename;
$return = $this->_runCmd($bin, '', array('PATH' => $this->_settings['path']));
return $return;
}