Merge pull request #586 from rtlechow/47-hi-lo-ruby

47_Hi-Lo Ruby

47_Hi-Lo/ruby/README.md

@@ -1,3 +1,3 @@
 Original source downloaded [from Vintage Basic](http://www.vintage-basic.net/games.html)
 
-Conversion to [Ruby](https://www.ruby-lang.org/en/)
+Conversion to [Ruby](https://www.ruby-lang.org/en/) by [R.T. Lechow](https://github.com/rtlechow)

47_Hi-Lo/ruby/hi_lo.rb

@@ -0,0 +1,59 @@
+#!/usr/bin/env ruby
+MAX_TRIES = 6
+RANGE = (1..100)
+
+def intro
+  puts <<~END_OF_INTRO
+    #{'HI LO'.center(74)}
+    #{"CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY\n\n\n".center(76)}
+    THIS IS THE GAME OF HI LO.\n
+    YOU WILL HAVE #{MAX_TRIES} TRIES TO GUESS THE AMOUNT OF MONEY IN THE
+    HI LO JACKPOT, WHICH IS BETWEEN #{RANGE.min} AND #{RANGE.max} DOLLARS.  IF YOU
+    GUESS THE AMOUNT, YOU WIN ALL THE MONEY IN THE JACKPOT!
+    THEN YOU GET ANOTHER CHANCE TO WIN MORE MONEY.  HOWEVER,
+    IF YOU DO NOT GUESS THE AMOUNT, THE GAME ENDS.\n\n
+  END_OF_INTRO
+end
+
+def make_guess
+  puts 'YOUR GUESS?'
+  @guess = gets.to_i
+end
+
+def check_guess
+  if @guess == @number
+    @guessed_correctly = true
+    @total_winnings += @number
+    puts <<~END_OF_WIN_TEXT
+      GOT IT!!!!!!!!!!   YOU WIN #{@number} DOLLARS.
+      YOUR TOTAL WINNINGS ARE NOW #{@total_winnings} DOLLARS.
+    END_OF_WIN_TEXT
+  else
+    puts "YOUR GUESS IS TOO #{@guess > @number ? 'HIGH' : 'LOW'}.\n\n"
+  end
+end
+
+def blew_it
+  @total_winnings = 0
+  puts "YOU BLEW IT...TOO BAD...THE NUMBER WAS #{@number}"
+end
+
+def outro
+  puts "\nSO LONG.  HOPE YOU ENJOYED YOURSELF!!!"
+end
+
+intro
+@total_winnings = 0
+loop do
+  @guessed_correctly = false
+  @number = rand(RANGE)
+  MAX_TRIES.times do
+    make_guess
+    check_guess
+    break if @guessed_correctly
+  end
+  blew_it unless @guessed_correctly
+  puts "\nPLAY AGAIN (YES OR NO)?"
+  break if gets.start_with?(/n/i)
+end
+outro