ComputerCraft lzLights

--[[
      lzLights v0.1
      (C) LayZee 2013
--]]

local times = {
    sunset = 12,
    sunrise = 24
}

local function waitFor (time)
  local alarm = os.setAlarm(time)

  repeat
    local _, id = os.pullEvent("alarm")
  until id == alarm
end

local function lightsOnAtSunset ()
  waitFor(times.sunset)

  --Turn lights on
  --rs.setOutput("back", true) --or something
end

local function lightsOffAtSunrise ()
  waitFor(times.sunrise)

  --Turn lights off
  --rs.setOutput("back", false) --or something
end

--Main program
while true do
  parallel.waitForAny(lightsOffAtSunrise, lightsOnAtSunset)
end