This is Perl module String::Diff.

INSTALLATION

String::Diff installation is straightforward. If your CPAN shell is set up, you should just be able to do

% cpan String::Diff

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

% perl Makefile.PL
% make && make test

Then install it:

% make install

DOCUMENTATION

String::Diff documentation is available as in POD. So you can do:

% perldoc String::Diff

to read the documentation online with your favorite pager.

Kazuhiro Osawa