better error handling in whatnow2

if the command is unknown then usage is printed and if usage is
called with an argument other then 0 exit 1 is forced.

diff --git a/uip/whatnow2.sh b/uip/whatnow2.sh
index dbddb55..4f957e2 100755 (executable)
--- a/uip/whatnow2.sh
+++ b/uip/whatnow2.sh
@@ -38,7 +38,7 @@ usage()
                exit 0
        fi
        printhelp 1>&2
-       exit $1
+       exit 1
 }
 
 get_editor()
@@ -293,4 +293,7 @@ w|wh|who|whom)
 -V|-Ve|-Ver|-Vers|-Versi|-Versio|-Version)
        version $#
        ;;
+*)
+       usage 1
+       ;;
 esac