xxdiff is a computer program that allows a user (usually a software developer
of some sort) to easily visualize the differences between files.  The manner
and goal for which this process is applied over multiple files is highly
dependent on the application, and most of the time is driven by custom user
scripts.

For example, a configuration management engineer in a company might provide
some kind of merge policing environment, that allows software developers to
review changes in files for the purpose of accepting or rejecting a submitted
changeset to a codebase.  Another example is that of a developer wishing to
review the changes he made to a checkout of files from a source-code
management system such as CVS, Subversion, ClearCase, Perforce, etc.

xxdiff has been developed in a corporate environment with hundreds of users.
Over time, it has been progressively augmented with features to allow it to
better interact with caller scripts, and many of Python scripts were provided
as open source on the internet, to perform various common tasks.  It was
only natural that at some point in time common code between these programs
should be shared in a library, and a Python package provided to ease the
task of writing other, new, custom scripts.

Homepage:
http://furius.ca/xxdiff/
