Mine

on *:text:~k*:#:{
  if ($nick isop $chan) || ($nick ishop $chan) {
    if ($2-) {
      var %Command $iif($left($1,3) == b,ban -k $chan $2 $iif($3 == $null,Pwned, $3-), kick $chan $2 $iif($3 == $null,Kicked , $3-))
    }
    else  msg $chan the syntax is ~k(b) nick reason 
  }
  else { notice $nick op and hop only }
}