That works for floats, but again, [unpack s] won't take -1. David hasn't said much about what types of arguments he expects. -1 for floats and noop for symbols would seem to work. -Chuckk On 2/18/07, hard off <hard.off at gmail.com> wrote: > oh yeah, sorry. that's why i would use -1 or another integer instead of noop. > -- http://www.badmuthahubbard.com