on *:TEXT:!brb*:#: { 
  if (%status == die) { halt }
  .set %away. $+ $address($nick,2) $ctime 
  msg $chan 4 $+ $nick 3will be gone for a bit. Reason: $+ 4 $2- $+ 3. 
} 
on *:TEXT:back:#: {  
  if (%status == die) { halt }
  if ($($+(%,away.,$address($nick,2)),2)) { 
    msg $chan 4 $+ $nick 3is back from4 $2- $+ 3.
    msg $chan 3You were gone for the total time of $+ 4 $duration($calc($ctime - $ifmatch)) 
    unset %away. $+ $address($nick,2) 
  }