Simplify --exclude parsing

}

if (@exclude) {

	foreach (@exclude) {

		given ($_) {

			when ('zug')    { $post{inclMOT_0} = undef }

			when ('s-bahn') { $post{inclMOT_1} = undef }

			when ('u-bahn') { $post{inclMOT_2} = undef }

			when ('stadtbahn') { $post{inclMOT_3} = undef }

			when ('tram')   { $post{inclMOT_4} = undef }

			when ('stadtbus') { $post{inclMOT_5} = undef }

			when ('regionalbus') { $post{inclMOT_6} = undef }

			when ('schnellbus') { $post{inclMOT_7} = undef }

			when ('seilbahn') { $post{inclMOT_8} = undef }

			when ('schiff') { $post{inclMOT_9} = undef }

			when ('ast')    { $post{inclMOT_10} = undef }

			when ('sonstige') {$post{inclMOT_11} = undef }

			default {

				print STDERR "--exclude: invalid argument '$_'\n";

	my @mapping = qw/

		zug s-bahn u-bahn stadtbahn tram stadtbus regionalbus

		schnellbus seilbahn schiff ast sonstige

	/;

	foreach my $exclude_type (@exclude) {

		for my $map_id (0 .. $#mapping) {

			if ($exclude_type eq $mapping[$map_id]) {

				$post{"inclMOT_$map_id"} = undef;

			}

		}

	}