add 33 dice in ruby

33 Dice/ruby/dice.rb

@@ -0,0 +1,51 @@
+def intro
+  puts "                                  DICE
+               CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY
+
+
+
+THIS PROGRAM SIMULATES THE ROLLING OF A
+PAIR OF DICE.
+YOU ENTER THE NUMBER OF TIMES YOU WANT THE COMPUTER TO
+'ROLL' THE DICE.  WATCH OUT, VERY LARGE NUMBERS TAKE
+A LONG TIME.  IN PARTICULAR, NUMBERS OVER 5000.
+
+"
+end
+
+def get_rolls
+  while true
+    number = gets.chomp
+    return number.to_i if /^\d+$/.match(number)
+    puts "!NUMBER EXPECTED - RETRY INPUT LINE"
+    print "? "
+  end
+end
+
+def dice_roll = rand(6) + 1 # ruby 3, woot!
+
+def print_rolls(rolls)
+  values = Array.new(11, 0)
+  (1..rolls).each { values[dice_roll + dice_roll - 2] += 1 }
+  puts "\nTOTAL SPOTS   NUMBER OF TIMES"
+  (0..10).each { |k| puts " %-2d            %-2d" % [k + 2, values[k]] }
+end
+
+def main
+  intro
+  loop do
+    print "HOW MANY ROLLS? "
+    rolls = get_rolls
+
+    print_rolls(rolls)
+
+    print "\n\nTRY AGAIN? "
+    option = (gets || '').chomp.upcase
+    break unless option == 'YES'
+    puts
+  end
+end
+
+trap "SIGINT" do puts; exit 130 end
+
+main