Something

on $*:Text:/^[!@]t(emp)?b(an)?/Si:#: {
if ($nick isop $chan) && ($me isop $chan) {
var %user = $iif($2 ison $chan,$2,$iif($3 ison $chan,$3,$nick))
var %time = $calc($iif($3 isnum,$3,$iif($2 isnum,$2,2)) * 60)
var %message = $iif($4,$4-,Requested)
ban $+(-ku,%time) $chan %user %message
}
}