on *:text:.kb*:#: { 
if ($me isop $chan) || ($me ishop $chan) {
if ($nick isop $chan) || ($nick ishop $chan) {
if ($3 == $null) {
ban -k $chan $address($2,2) Reason: None given
}
else if ($3 != $null) {
ban -k $chan $address($2,2) Reason: $3-
}
}
}
}

;; Usage: .kb nick reason
;; OR: .kb nick