September Morn Update

Task/Menu/AWK/menu.awk

@@ -1,22 +1,24 @@
 # syntax: GAWK -f MENU.AWK
 BEGIN {
-    n = split("fee fie:huff and puff:mirror mirror:tick tock",arr,":")
+    print("you picked:",menu(""))
+    print("you picked:",menu("fee fie:huff and puff:mirror mirror:tick tock"))
+    exit(0)
+}
+function menu(str,  ans,arr,i,n) {
+    if (str == "") {
+      return
+    }
+    n = split(str,arr,":")
     while (1) {
       print("")
       for (i=1; i<=n; i++) {
         printf("%d - %s\n",i,arr[i])
       }
-      print("0 - exit")
-      printf("enter number: ")
+      printf("? ")
       getline ans
       if (ans in arr) {
-        printf("you picked '%s'\n",arr[ans])
-        continue
-      }
-      if (ans == 0) {
-        break
+        return(arr[ans])
       }
       print("invalid choice")
     }
-    exit(0)
 }