Already produced diff, you mean a patch file?

https://metacpan.org/search?q=syntax+highlight+diff

Text::Highlight has no .diff/.patch support , but these say they do

Syntax::Highlight::Universal

Syntax::Highlight::Engine::Kate::Diff

this one I know does :) Text::VimColor - Syntax highlight text using Vim

In reply to Re: See if it exists before I reinvent it (.patch .diff syntax highlighter) by Anonymous Monk
in thread See if it exists before I reinvent it by mpersico

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