Data commit

Task/Menu/Ruby/menu.rb

@@ -0,0 +1,26 @@
+def select(prompt, items = [])
+  if items.empty?
+    ''
+  else
+    answer = -1
+    until (0...items.length).cover?(answer)
+      items.each_with_index {|i,j| puts "#{j}. #{i}"}
+      print "#{prompt}: "
+      begin
+        answer = Integer(gets)
+      rescue ArgumentError
+        redo
+      end
+    end
+    items[answer]
+  end
+end
+
+# test empty list
+response = select('Which is empty')
+puts "empty list returns: >#{response}<\n"
+
+# "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}<"