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views:

28

answers:

2
+1  Q: 

Displaying only the similarities between 20 or so files?

Say I've got a directory full of html pages. Their headers and footers are basically the same, but I want to be able to see only the portions of all the pages that are the same. I'd like to call it an n-way merge, but that isn't what it is, it's looking for just the similarities between the header and the footers of all the files.

(and my header I don't mean just the <head> tag, but rather the portions of the page that are alike).

Note: There are like 20 html files.

Is there a name for a tool that does this?

A: 

I use ExamDiff

Leo  2010-04-21 14:15:12
+1  A: 

If you are looking for what they have in common, you need a Clone detector. Such a tool finds the common code fragments across an arbitrarily large number of files and reports the commonality. A good one will discover commonality based on target langauge structure in spite of white space changes, etc., e.g., it isn't comparing lines but rather copy-and-pasted structures.

Ira Baxter  2010-04-22 07:30:20

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