I'm using autotest with all its test driven goodness, and I believe
that uses unit-diff to present a "saner" view of test difference
output.

I'd like to do colorize the output from unit-diff so its similar to
what you see on a changeset on trac, for instance.  Does anyone know
anything that can colorize diffs in ruby, or know of a good starting
point?  Or at least where to start for outputting color in the
terminal, so I can do "#{color.red} stuff" instead of using control
characters.

thanks,
Rob

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