This is Perl module Data::Recursive::Encode.
INSTALLATION
Data::Recursive::Encode installation is straightforward. If your CPAN shell is set up,
you should just be able to do
% cpan Data::Recursive::Encode
Download it, unpack it, then build it as per the usual:
% perl Makefile.PL
% make && make test
Then install it:
% make install
DOCUMENTATION
Data::Recursive::Encode documentation is available as in POD. So you can do:
% perldoc Data::Recursive::Encode
to read the documentation online with your favorite pager.
Tokuhiro Matsuno