how do i compare 2 html pages, and output only the different bits in ruby or PHP?

Question

how can i get 2 pages, and output the difference between those. getting the pages not a problem, but stuck on how to get the difference....i need a library for ruby OR php

thank you.

possible duplicate of [diff a ruby string or array](http://stackoverflow.com/questions/80091/diff-a-ruby-string-or-array) — sawa, May 23 '11 at 08:22

score 3 · Answer 1 · answered Sep 10 '09 at 01:25

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http://us3.php.net/manual/en/function.xdiff-string-diff.php

answered Sep 10 '09 at 01:25

JasonWoof

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you might want to tidy them first, if they aren't formatted the same, or have a lot of stuff on one line: http://us3.php.net/manual/en/book.tidy.php – JasonWoof Sep 10 '09 at 01:28

score 0 · Answer 2 · answered Sep 10 '09 at 01:30

0

Not exactly what you asked for, but you might find it interesting and/or useful, but there is a Javascript diff library which might work for your needs.

answered Sep 10 '09 at 01:30

Mike Buckbee

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score 0 · Answer 3 · answered Sep 10 '09 at 01:39

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For PHP, I'd suggest looking at the daisydiff project. This work was done to create a visual diff for Mediawiki.

Otherwise, the easiest thing to do would be to shell out to the diff program, and transform the results into html.

answered Sep 10 '09 at 01:39

brianegge

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how do i compare 2 html pages, and output only the different bits in ruby or PHP?

3 Answers3

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