Say what option it is that isn't recognized.

diff --git a/candi.sh b/candi.sh
index 5afb4ed190e8cb2ec54c558262eca8d763229408..1904c1e9a77147208dc2e2a20a2e7cc972a41ded 100755 (executable)
--- a/candi.sh
+++ b/candi.sh
@@ -108,7 +108,7 @@ while [ -n "$1" ]; do
         ;;
 
        *)
-           echo "invalid command line option. See -h for more information."
+           echo "invalid command line option <$param>. See -h for more information."
            exit 1
     esac
     shift