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From Marcel Bruch <br...@cs.tu-darmstadt.de>
Subject Re: [compress] in-place updates of archive contents
Date Fri, 25 May 2012 15:18:30 GMT
Thanks Stefan.

is there any support for just appending new entries to an existing file?


On 25.05.2012, at 16:31, Stefan Bodewig wrote:

> Hi Marcel,
> 
> On 2012-05-25, Marcel Bruch wrote:
> 
>> I'm looking for a archive format and library that allows to update a
>> archive entry w/o copying the whole file as necessary with zip file
>> format.
> 
>> From what I've seen, tar may be possible but the compress API does not
>> state this use case explicitly? Is this supported?
> 
> No, it is not, at least not explicitly.
> 
>> I also saw the ChangeSetPerformer API but the test cases mostly use
>> cpio and zip, Thus, I'm not sure.
> 
> The changeset stuff is supposed to work for all archiving types (for
> which we support writing, dump is read-only) - but it works by using
> (temporary) copies as well.
> 
> Stefan
> 
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Thanks,
Marcel

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