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From Dean Gaudet <>
Subject Re: [PATCH] some cleanups and bug fixes
Date Mon, 04 Aug 1997 02:50:21 GMT
Actually I was concerned more with the potential that it could be modified
and still end up with the same etag later in its life.  But this is a
problem regardless of the mtime used.  Too bad unix doesn't keep an md5
handy for every file. 


On Sun, 3 Aug 1997, Roy T. Fielding wrote:

> >Ya know, isn't it bogus to be using mtime to generate an etag if mtime >
> >now ?
> Nope.  Etag comparison is straight equal/not-equal, whereas IMS comparison
> is a greater-than-or-equal.  So only the latter is subject to problems
> if a filesystem date or untarring sets mtime far in the future, which
> makes the next modification seem like it is moving back in time.
> ....Roy

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