go {
  if (%at) {
    amsg I'm back.  I was away because $awaymsg .
    var %t = $duration($awaytime)
    msg $me You were gone for %t
    unset %at
    unset %t
    /nick Gau
    /ns identify password
    away
  }
  else    {
    /nick GauAway
    away $1-
    set %at $ctime
    amsg I'm away because $awaymsg .
  }
}