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On Thu, 11 Jun 1998, matthew green wrote:

>i thought i removed the --fast-read option from the pkg tools?  might
>be a local change only -- i'm using pax as tar/cpio locally.  pax does
>this by default.  only tar seems to continue to read the archive after
>it has found all the members listed... lame.

IIRC, the tar format doesn't have room for replace functionality (as
it's designed to be streamed), so the `proper' way to replace a file in
a tar archive is to add another copy to the end of the archive.  Thus
tar keeps reading in case this has been done.  --fast-read allows you to
indicate to tar that you know that this hasn't been done, but is not
correct behavior in the general case, IMHO.

- -- 
				Jim Wise
				jwise@unicast.com

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