1 files changed, 9 insertions, 2 deletions
diff --git a/vbox b/vbox
index cb9dc85..42dd8af 100755
--- a/vbox
+++ b/vbox
@@ -8,6 +8,12 @@ BASENAME="`basename $0`"
 COMMAND="$1"
 VM="$2"
 
+# Usage
+function usage {
+  echo "usage: $BASENAME <command> [vm]"
+  exit 1
+}
+
 # Build options
 if [ ! -z "$VM" ]; then
   if [ "$COMMAND" == "up" ]; then
@@ -19,13 +25,14 @@ if [ ! -z "$VM" ]; then
   elif [ "$COMMAND" == "halt" ]; then
     OPTIONS="poweroff"
     COMMAND="controlvm"
+  else
+    usage
   fi
 elif [ "$COMMAND" == "status" ]; then
   OPTIONS="runningvms"
   COMMAND="list"
 else
-  echo "usage: $BASENAME <command> [vm]"
-  exit 1
+  usage
 fi
 
 # Dispatch