protected function cleanupOutput($output)
{
$lines = explode("\n", $output);
foreach ($lines as $index => $line) {
$line = trim(preg_replace('/^[-,]+/', '', $line, 1));
$line = preg_replace('/\\s\\s+/', ' ', $line);
$lines[$index] = $line;
}
// Remove empty lines.
$lines = array_filter($lines);
return implode("\n", $lines);
}