on *:JOIN:#:{ 
  if ($me isop $chan) {
    set %whoisnick Whois: $nick 
    set %whoischan $chan
    whois $nick 
  }
}
raw 319:*:{ msg $chan %whoischan 3 $+ %whoisnick Is On:0,1 $3- } { unset %whoisnick | unset %whoischan }