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Editorial Team
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Asked: 2026-05-15T13:47:38+00:00

I’ve looked at diff-lcs ( http://raa.ruby-lang.org/project/diff-lcs ) but it’s poorly documented, and appears to

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I’ve looked at diff-lcs ( http://raa.ruby-lang.org/project/diff-lcs ) but it’s poorly documented, and appears to be unmaintained.

Are there any good, actively maintained ruby gems for diffing text or html files?

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  1. Editorial Team

    I looked around and couldn’t find an existing gem or library that offered a convenient way to generate diff style output from ruby.

    I just released diffy which does what I want. It’s a lightweight wrapper around diff which lets you generate text or html diffs from two strings, without a lot of fuss. I hope others find it useful. It’s in use on wiff.me for anyone wants to preview the html output.

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