Q6 of python challenge

python_challenge_q6.rb

require "zip/zip"
zipfilename = "/home/haidao/Downloads/channel.zip"
Zip::ZipFile.open(zipfilename) do |zipfile|
  s = zipfile.get_input_stream("readme.txt").read
  num = s.match(/\d{2,6}/)
  output = Array.new
  while num do
    entry = zipfile.find_entry("#{num}.txt")
    s = entry.get_input_stream.read
    num = s.match(/\d{2,6}/)
    comment = entry.comment
    output.push comment
  end
  puts output.join
end