Beans_Lessc::compileFile PHP Method

    public function compileFile($fname, $outFname = null)
    {
        if (!is_readable($fname)) {
            throw new Exception('load error: failed to find ' . $fname);
        }
        $pi = pathinfo($fname);
        $oldImport = $this->importDir;
        $this->importDir = (array) $this->importDir;
        $this->importDir[] = $pi['dirname'] . '/';
        $this->addParsedFile($fname);
        $out = $this->compile($GLOBALS['wp_filesystem']->get_contents($fname), $fname);
        $this->importDir = $oldImport;
        if ($outFname !== null) {
            return $GLOBALS['wp_filesystem']->put_contents($outFname, $out);
        }
        return $out;
    }