gistfile1.rbx

RESULTS = %w(H H H H H H A A A A A D)

def result
  RESULTS[rand(RESULTS.length)]
end

require 'readline'

def prompt(prompt="> ")
  input = nil
  lines = []
  prompt += " " unless prompt =~ /\s$/
  loop do
    input = Readline.readline(prompt, true)
    break if input == "."
    lines.push input
  end
  return lines
end

fixtures = prompt

results = fixtures.map do |fixture|
  if fixture.empty?
    fixture
  else
    fixture + result
  end
end

puts results