They said it couldn't be done... see Industrial strength archiving

But I have managed to wrap Archive::Tar to produce a version that operates on a tar file on-disk rather than in-memory.

You supply it with a file handle that you have already opened. If you use IO::Zlib tieing, this will do compression-on-the-fly as well.

It's on CPAN as Archive::Tar::Streamed. Comments... feedback... bugs...

--
I'm Not Just Another Perl Hacker

In reply to RFC: Archive::Tar::Streamed by rinceWind

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