This is Perl module DBIx::DSN::Resolver.

INSTALLATION

DBIx::DSN::Resolver installation is straightforward. If your CPAN shell is set up,
you should just be able to do

    % cpan DBIx::DSN::Resolver

Download it, unpack it, then build it as per the usual:

    % perl Makefile.PL
    % make && make test

Then install it:

    % make install

DOCUMENTATION

DBIx::DSN::Resolver documentation is available as in POD. So you can do:

    % perldoc DBIx::DSN::Resolver

to read the documentation online with your favorite pager.

Masahiro Nagano