Updated hosto option parsing

scripts/bin/hosto

@@ -16,8 +16,6 @@ if [[ $# -eq 0 ]]; then
   exit 1
 fi
 
-
-POSITIONAL_ARGS=()
 INVENTORY_FILE="$(pwd)/inventory"
 
 while [[ $# -gt 0 ]]; do
@@ -35,18 +33,22 @@ while [[ $# -gt 0 ]]; do
       echo $VERSION
       exit 1
       ;;
+    -*|--*)
+      echo "hosto: unrecognized option '$1'"
+      help
+      exit 1
+      ;;
     *)
-      POSITIONAL_ARGS+=("$1")
-      shift
+      break
       ;;
   esac
 done
 
 if [ -f $INVENTORY_FILE ]; then
   sudo inv-alias add $INVENTORY_FILE
-  eval "${POSITIONAL_ARGS[@]}"
+  eval $@
   sudo inv-alias rm $INVENTORY_FILE
 else
   echo "hosto: Could not find inventory file at $INVENTORY_FILE"
-  eval "${POSITIONAL_ARGS[@]}"
+  eval $@
 fi