- my %a = @_;
- my @discnumber = @{$a{discnumber} // []};
- my $tracknumber = $a{tracknumber} // die('tracknumber required');
- my $title = $a{title} // die('title required');
+ my ($tracknumber, $tags) = @_;
+ my $title = $tags->{TITLE} // die('title required');
+ my @discnumber = @{$tags->{DISCNUMBER} // []};
+ my @partnumber = @{$tags->{PARTNUMBER} // []};
+ my @version = @{$tags->{VERSION} // []};