kathmandu:/home/build/perl-5.8.0# upx -9 microperl -omicroperl.upx
                     Ultimate Packer for eXecutables
            Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001
UPX 1.20         Markus F.X.J. Oberhumer & Laszlo Molnar        May 23rd 2001

        File size         Ratio      Format      Name
   --------------------   ------   -----------   -----------
    721956 ->    315924   43.75%    linux/386    microperl.upx

Packed 1 file.