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From "Jon Skeet" <>
Subject RE: How to update a jar?
Date Thu, 10 May 2001 14:32:28 GMT
> You know, I always used to believe that too, but once 
> I made a comment on some mailing list (I forget 
> which now) and was flamed to death by some guy who 
> said he'd written 'XXXX' a popular Zip tool and he 
> knew for a fact you could append entries. I suspect 
> the Java classes that do Zip compression aren't so flexible...

It may well be that you can add new entries, but I suspect you
can't *update* entries without either sacrificing space eg by
leaving the old version around. As far as I know, zip doesn't
support files split across different parts of the zip file.


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