Avery Pennarun wrote:
>On Tue, Sep 16, 2008 at 3:41 AM, Sergio Callegari
><sergio.callegari@xxxxxxxxx> wrote:
>> Johannes Sixt wrote:
>IIRC zip files keep their index at the end of the file, which means
>zipping in a pipeline is efficient (you can write all the blocks
>first, then drop the final index at the end) but unzipping that way is
>really hard.
Well, the index *is* at the end, yes, however, almost all (if not all) the
information in the index is present directly in front of the files as
well, so unzipping from stdin is possible without seeks (though the
standard unzip doesn't support that (yet) because it tries to verify
integrity and speed up lists using the index at the end).
--
Sincerely,
Stephen R. van den Berg.
Human beings were created by water to transport it uphill.
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