Make DVD ISO image sequentially

dvd_copy.rb

#!/usr/bin/env ruby
require 'date'

HDD_PATH = '/Volumes/HFS_disks_from_japan/mushu_avs'

while true do
  d = DateTime.now

  status = `drutil status`
  if status =~ /^\s+Type: [-A-Z]+\s+Name: (.+)$/
    device = $1
    mount = `mount`
    if mount =~ /^#{device} on (.+) \(.+\)$/
      dvd_path = $1

      output_path = HDD_PATH + '/' + d.strftime('%Y%m%d%H%M%S.iso')
      puts "From #{dvd_path} To #{output_path}"
      system "hdiutil makehybrid -iso -joliet -o '#{output_path}' '#{dvd_path}' && drutil tray eject"
      end_message = 'end end end'
      system "say #{end_message}"
    end
  end

  sleep 1
end