my %opts = (
'V|version=i' => \$version,
'L|index-level|indexlevel=s' => \$indexlevel,
'S|skip|skip-epoch=i' => \$skip_epoch,
'N|skip-artnum=i' => \$skip_artnum,
'j|jobs=i' => \$jobs,
my %opts = (
'V|version=i' => \$version,
'L|index-level|indexlevel=s' => \$indexlevel,
'S|skip|skip-epoch=i' => \$skip_epoch,
'N|skip-artnum=i' => \$skip_artnum,
'j|jobs=i' => \$jobs,