From: Giampiero Zanchi <cidza@...>
Date: 2010-07-27T23:41:35+09:00
Subject: Re: stop program with entering a key...

def menu
  p "Write a number"
  p "Q to stop"
  the_replay = gets.chomp
end

def do_exit
  p "Bye bye"
  exit
end

while 1 == 1 do
  the_reply = menu
  case the_reply
  when "q" then do_exit
  when "Q" then do_exit
  end
  p the_reply
end
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