Improved system 'sleep'. Could be used like: $ sleeptill 1 7 30 && mplayer -o loop superannoyingringer.mp3 =)

sleeptill

#!/usr/bin/ruby

# == SleepTill ==
#
# Improved system 'sleep'. Could be used like:
# $ sleeptill 1 7 30 && mplayer -o loop superannoyingringer.mp3 =)

require 'rubygems'
require 'active_support'

if (ARGV.length == 0) || (ARGV[0] == '--help')
  puts "USAGE: sleeptill [day](0 - today, 1 - tomorrow, etc.) [hour](0-23) [minute](0-59)\n"
else
  ARGV.collect!(&:to_i)
  seconds = (Date.today + ARGV[0].days + ARGV[1].hours + ARGV[2].minutes) - Time.now
  system "sleep #{seconds.round}" unless seconds < 0
end