tea.rb

#!/usr/bin/env ruby
require "rubygems"
require "g"

# check "Listen for incoming notifications" in your Growl preference pane

begin
  raise if ARGV.size != 1
  fork do
    Process.setpgrp
    sleep(ARGV[0].to_f * 60)
    g "Tea!"
  end
  
rescue
  puts "usage: tea minutes"
  exit -1
end