proper-epoch.js

(function() {
  return {name: "russelltemp"}
})

function go(msg){
  if (msg.method == "irc.privmsg") {
    var epoch_match = /^!russelltemp(\s+(\S+))$/.exec(msg.params.message)
    if(epoch_match) {
      var sensor_id = epoch_match[2]
      var rows = russelltemp(sensor_id)
      var lastrow = rows[rows.length-2]
      var datetemp = lastrow.split(' ')
      var tempdate = new Date(parseInt(datetemp[0])*1000)
      var ago = agowords(tempdate)
      var temp = datetemp[1]
      bot.say(msg.params.channel, "russell "+sensor_id+" "+ago+" "+temp+"C (from "+JSON.stringify(lastrow)+")")
    }
  }
}

function russelltemp(id) {
  var now = Math.floor(new Date()/1000)
  var epoch_today = now - (now % 86400)
  var url = "https://klickitat.com/data/"+id+"/"+epoch_today+".log"
  bot.say(bot.admin_channel, url)
  var rows =  http.get(url).split('\n')
  return rows
}

function agowords(date) {
  var parts = []
  var min_ago = (new Date() - date)/1000/60
  parts.push(min_ago.toFixed(1))
  parts.push('min ago')
  return parts.join(' ')
}