Untitled

highlight {
  var %a = 1, %b = $nick(#,0), %c
  while ($nick(#,%a)) {
    %c = %c $iif(%a == %b,and) $+($nick(#,%a),$iif(%a < %b,$iif(%a != $calc(%b - 1),$chr(44)),.))
    inc %a
  }
  msg # %c
}