1 files changed, 7 insertions, 1 deletions
diff --git a/start.sh b/start.sh
index c7560e5..0414224 100755
--- a/start.sh
+++ b/start.sh
@@ -2,19 +2,25 @@
 #Bash script for automating evaluate
 echo "Dots and Boxes Agent Shell Script: Ver 1.0RC2: adding options"
 
-while getopts 'w:p:h:' opt; do
+while getopts ':w:p:h:' opt; do
     case $opt in
         w) WEB=$OPTARG;;
         p) PORT=$OPTARG;;
         h) echo "Usage: ./start.sh -w (web port) -p (starting agent port)"
             exit 0;;
+        \?)
+            echo "Invalid option: -$OPTARG" >&2
+            echo "Usage: ./start.sh -w (web port) -p (starting agent port)"
+            exit 1;;
         *) echo "Usage: ./start.sh -w (web port) -p (starting agent port)"
             exit 1;;
+        
     esac
 done
 
 (python3 python/dotsandboxes/dotsandboxesserver.py $WEB) >> server.log  &
 echo "Web server running on http://127.0.0.1:$WEB"
+PORT=`expr $PORT - 1`;
 
 for a in 1 2
 do