matchup.rb

TIGERS = {1 => 'Morgan, Kiera, John', 2 => 'Dave, Bruno, Max', 
          3 => 'David, Nick, Lionel', 4 => 'Elmer, Juke, Robert',
          5 => 'Tom, Tyler, Gary', 6 => 'Sunny, Daniel, Nathan',
          7 => 'Doug, Rao, Nishant'}

class Console
  def initialize
    @gophers = {}
    puts "Welcome to GroupMatcher(tm)!"
    puts "When you've finished all groups, type 'Match!'"
    get_new_group
  end

  def get_new_group
    puts "#{@gophers.empty? ? 'A' : 'Another'} group contains these three students:"
    names = []
    3.times do 
      print "Student first name:"
      name = gets.chomp
      if name == 'Match!'
        @gophers[@gophers.size] = names.join(', ') unless names.empty?
        match_em_up!
      end
      names << name
    end
    @gophers[@gophers.size] = names.join(', ')
    get_new_group
  end 

  def match_em_up!
    pairs = TIGERS.keys.shuffle.zip(@gophers.keys)
    puts "Your pairs are:"
    pairs.each {|pair| puts "#{TIGERS[pair[0]].ljust(30)} | #{@gophers[pair[1]]}"}
    exit
  end
end

console = Console.new