--- /etc/hotplug/usb.agent	2004-05-04 17:12:02.234775016 +0200
+++ /etc/hotplug/usb.agent	2004-05-04 17:15:24.457032560 +0200
@@ -250,6 +250,7 @@
 	# be careful, they still get parsed by bash!
 	case "$line" in
 	\#*) continue ;;
+	"") continue ;;
 	esac
 
 	set $line