# Xmldiff in ruby

**URL:** <https://www.ruby-forum.com/t/xmldiff-in-ruby/49155>\
**Category:** Ruby\
**Created:** [November 30, 2005, 7:28pm UTC](https://www.ruby-forum.com/t/xmldiff-in-ruby/49155 "2005-11-30T19:28:40Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![sunh11373](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/f9ae1b/32.png) [@sunh11373](https://www.ruby-forum.com/u/sunh11373)\
**Post date:** [November 30, 2005, 7:28pm UTC](https://www.ruby-forum.com/t/xmldiff-in-ruby/49155/1 "2005-11-30T19:28:40Z")

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Hi,

Does anyone know a xmldiff like library in ruby?

Thanks

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**Author:** ![sunh11373](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/f9ae1b/32.png) [@sunh11373](https://www.ruby-forum.com/u/sunh11373)\
**Post date:** [December 1, 2005, 3:14am UTC](https://www.ruby-forum.com/t/xmldiff-in-ruby/49155/2 "2005-12-01T03:14:14Z")

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On Nov 30, 2005, at 11:24 AM, hsun wrote:

> Does anyone know a xmldiff like library in ruby?

I don’t, but I want one.

What I really want is a port of 3DM[1] in Ruby. I started going  
through the thesis[2] and algorithms a few months ago, but I started  
getting overwhelmed when it got into the formal math for measuring  
node similarity around page 60.

So…someone do it for me 🙂

[1] [http://www.cs.hut.fi/~ctl/3dm/](http://www.cs.hut.fi/~ctl/3dm/)  
[2] [http://www.cs.hut.fi/~ctl/3dm/thesis.pdf](http://www.cs.hut.fi/~ctl/3dm/thesis.pdf)