Data commit

Task/Menu/AWK/menu.awk

@@ -0,0 +1,24 @@
+# syntax: GAWK -f MENU.AWK
+BEGIN {
+    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])
+      }
+      printf("? ")
+      getline ans
+      if (ans in arr) {
+        return(arr[ans])
+      }
+      print("invalid choice")
+    }
+}