perl -MPPM -e"PPM::InstallPackage( package => 'http://crazyinsomniac.perlmonk.org/perl/ppm/5.8/Devel-Size.ppd');"

#!/usr/bin/perl
use PPM;
my $pack = 'http://crazyinsomniac.perlmonk.org/perl/ppm/5.8/Devel-Size.ppd';
PPM::InstallPackage( package => $pack );