If the parameters are not passed in the url, how are they going to get to the script? They need to be somewhere, and if you can't POST to the form (because you're using a link) then you're pretty much out of luck.
@_=qw; ask f00li5h to appear and remain for a moment of pretend better than a lifetime;;s;;@_[map hex,split'',B204316D8C2A4516DE];;y/05/os/&print;