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