IVT data-timer Domoticz

commandArray = {}
t1 = os.time()
s = uservariables_lastupdate['IVTData']
-- returns a date time like 2013-07-11 17:23:12

year = string.sub(s, 1, 4)
month = string.sub(s, 6, 7)
day = string.sub(s, 9, 10)
hour = string.sub(s, 12, 13)
minutes = string.sub(s, 15, 16)
seconds = string.sub(s, 18, 19)

t2 = os.time{year=year, month=month, day=day, hour=hour, min=minutes, sec=seconds}
difference = (os.difftime (t1, t2))

print("IVTData last updated: " .. s .. " (" .. difference .. " seconds)." )

textDeviceIdx = 461
commandArray[textDeviceIdx] = {['UpdateDevice'] = textDeviceIdx..'|0|'.. difference}

if (difference > 300) then
   commandArray['SendNotification']='IVTData!#IVTData saknas sen mer än 5 minuter!'
end

return commandArray