Modern Perl installs with just one line perlbrew and cpanminus included.
For MaxOSX:
curl -L http://xrl.us/installperlosx | bash
info: http://learn.perl.org/installing/osx.html
For Linux/Unix systems:
curl -L http://xrl.us/installperlnix | bash
info: http://learn.perl.org/installing/unix_linux.html