How is it that during extraction of a zip, I get two files of the same name in the same path?

Posted by Howiecamp on Super User See other posts from Super User or by Howiecamp
Published on 2010-12-20T19:20:52Z Indexed on 2011/03/07 0:12 UTC
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zip

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7-zip

I'm extracting a zip (self-extracting, but that probably doesn't matter) and for a few files I'm getting a dialog asking me if I want to replace a file that was already extracted with a file that's just about to be extracted. At first glance I didn't understand how a zip could contain the same file in the same place more than once. I then browsed to the file in question using 7zip (or any tool) and found this:

http://www.flickr.com/photos/46007162@N03/5278220416/

The difference is in the block number. What's actually happening here?

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