efa: Add option checking for --exclude

1 files changed, 5 insertions, 0 deletions

diff --git a/bin/efa b/bin/efa
index 3ce7da9..a1a0f1f 100755
--- a/bin/efa
+++ b/bin/efa
@@ -300,14 +300,19 @@ if (@exclude) {
 		zug s-bahn u-bahn stadtbahn tram stadtbus regionalbus
 		schnellbus seilbahn schiff ast sonstige
 	/;
+	my $ok = 0;
 
 	foreach my $exclude_type (@exclude) {
 		for my $map_id (0 .. $#mapping) {
 			if ($exclude_type eq $mapping[$map_id]) {
 				$post{"inclMOT_$map_id"} = undef;
+				$ok = 1;
 			}
 		}
 	}
+	if (not $ok) {
+		die("Invalid argument. See manpage for --exclude usage\n");
+	}
 }
 
 if (defined($maxinter)) {