This is Perl module Warn::Colorful. INSTALLATION Type the following command: $ curl -L http://cpanmin.us | perl - Warn::Colorful Or install cpanm and then run the following command to install Warn::Colorful: $ cpanm Warn::Colorful If you get an archive of this distribution, unpack it and build it as per the usual: $ tar xzf Warn-Colorful-$version.tar.gz $ cd Warn-Colorful-$version $ perl Makefile.PL $ make && make test Then install it: $ make install DOCUMENTATION Warn::Colorful documentation is available as in POD. So you can do: $ perldoc Warn::Colorful to read the documentation online with your favorite pager. LICENSE AND COPYRIGHT Copyright (c) 2013, NAGATA Hiroaki . All rights reserved. This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.