Added help

1 files changed, 19 insertions, 14 deletions

diff --git a/god/licht b/god/licht
index 2b05b9f3..8ece3510 100755
--- a/god/licht
+++ b/god/licht
@@ -1,15 +1,20 @@
 #!/bin/bash
-LAMPE=`echo $1 | sed -n '/^[1-2]*[0-9]*[0-9]$/p' | xargs echo "obase=16;" | bc` 
-TOGGLE=`echo $2 | sed -n '/^[0-1]$/p'` 
-if ! [ "$LAMPE" -a "$TOGGLE" ];then
-  echo "you are made of stupid"
-  exit 1
-fi
-STRING="\xA5\x5A\x$LAMPE\x$TOGGLE"
-if [ $# != 2 ]
-then
-    echo -ne "Usage: licht <lampe> <0/1>"
-else
-    echo "$LAMPE$TOGGLE" 
-    echo -ne "$STRING" | nc -u -w1 licht.shack 1337
-fi
+case "$1" in
+  (--help) echo "Toggle the lights";;
+  (*)
+  LAMPE=`echo $1 | sed -n '/^[1-2]*[0-9]*[0-9]$/p' | xargs echo "obase=16;" | bc` 
+  TOGGLE=`echo $2 | sed -n '/^[0-1]/p'` 
+  if ! [ "$LAMPE" -a "$TOGGLE" ];then
+    echo "you are made of stupid"
+   exit 1
+  fi
+  STRING="\xA5\x5A\x$LAMPE\x$TOGGLE"
+  if [ $# != 2 ]
+  then
+     echo -ne "Usage: licht <lampe> <0/1>"
+  else
+    echo "Toggle light $LAMPE ($TOGGLE)" 
+     echo -ne "$STRING" | nc -u -w1 licht.shack 1337
+  fi
+  ;;
+esac