A-M baby

Task/Menu/Ruby/menu.rb

@@ -0,0 +1,23 @@
+def select(prompt, items)
+  return "" if items.length == 0
+  while true
+    items.each_index {|i| puts "#{i}. #{items[i]}"}
+    print "#{prompt}: "
+    begin
+      answer = Integer(gets())
+    rescue ArgumentError
+      redo
+    end
+    return items[answer] if answer.between?(0, items.length - 1)
+  end
+end
+
+# test empty list
+response = select("Which is empty", [])
+puts "empty list returns: >#{response}<"
+puts ""
+
+# "real" test
+items = ['fee fie', 'huff and puff', 'mirror mirror', 'tick tock']
+response = select("Which is from the three pigs", items)
+puts "you chose: >#{response}<"