perl -MMo::Golf=golf < src/Mo/foo.pm > lib/Mo/foo.pm
This is the module that is responsible for taking Mo code (which is documented and fairly readable) and reducing it to a single undecipherable line.
To install Mo, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Mo
CPAN shell
perl -MCPAN -e shell install Mo
For more information on module installation, please visit the detailed CPAN module installation guide.