alarm which rings until your google reader entries are all read

alarm.rb

require 'rubygems'
require 'net/http'
require 'nokogiri'
require 'time'

Auth = 'YOUR AUTH KEY'

def unread_items
  headers = {'Authorization' => "GoogleLogin auth=#{Auth}" }

  http = Net::HTTP.new(host='www.google.com')
  http.start

  req = Net::HTTP::Get.new('/reader/api/0/unread-count?all=true', initheader = headers)
  response = http.request(req)

  doc = Nokogiri::XML(response.body)
  objects = doc/'/object/list/object'

  !objects.empty?
end

def timestr str
  time = Time.parse(str)
  if time < Time.now
    time += 24 * 60 * 60
  end
  time
end

def alarm
  pipe = IO.popen('mplayer -loop 0 ~/.alarm.wav')
  $stdin.gets
  Process.kill 'TERM', pipe.pid
  pipe.close
end

alarmtime = timestr(ARGV[0])

sleep(alarmtime - Time.now)

puts
puts "Wake up!"
puts "ENTER TO PAUSE!"
puts

loop do
  alarm

  puts
  puts "Alarm paused."
  puts "Will ring again if news is not read"
  puts

  sleep 5

  break unless unread_items
end