protected function commandList()
{
$setlist = iterator_to_array(new \RegexIterator(new \FilesystemIterator($this->setpath), '/\\.json$/'));
ksort($setlist);
foreach ($setlist as $setfile) {
$info = json_decode(file_get_contents($setfile));
printf("%-10s => %s\n", strstr($setfile->getBasename(), '.', true), $info->desc);
}
}