$ cpanm -i PDL::Graphics::PLplot
--> Working on PDL::Graphics::PLplot
Fetching http://www.cpan.org/authors/id/D/DH/DHUNT/PDL-Graphics-PLplot-0.74.tar.gz ... OK
Configuring PDL-Graphics-PLplot-0.74 ... OK
Building and testing PDL-Graphics-PLplot-0.74 ... OK
Successfully installed PDL-Graphics-PLplot-0.74
1 distribution installed
$