No POD found for gtk_test.pl. Time to read the source?
gtk_test.pl
To install Data::TreeDumper::Renderer::GTK, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Data::TreeDumper::Renderer::GTK
CPAN shell
perl -MCPAN -e shell install Data::TreeDumper::Renderer::GTK
For more information on module installation, please visit the detailed CPAN module installation guide.