Autarky\Utils\Diagnostic::checkReadable PHP Method

    protected function checkReadable($path, $prefix)
    {
        if (!is_readable($path)) {
            $this->errors++;
            echo "ERROR: {$prefix}: {$path} is not readable\n";
        } else {
            if ($this->verbose) {
                echo "OK: {$prefix}: {$path} is readable\n";
            }
        }
    }