Re: Use tar to append?

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Cameron Simpson wrote:

Maybe:

  tar Af tarfile more-files...

First one needs tar cf...
Apparently tar Af does not work unless the tar file already
exists.

Seems like it should do the trick. It should be efficient if the tarfile is
not compressed. But I'm saying this on the basis of the info file for
GNU tar, and I'm presuming that "A" is more efficient than "r", though
the info file is... vague... about this (to be charitable).

Yes, indeed.

Well, I tried it, and it's taking longer and l.o.n.g.e.r and
l..o..n..g..e..r for each new diretory. It just timed /usr/src
and it took over 2 minutes to back up 48 kilobytes. It's copying
and copying or seeking and seeking or sth.

Mike
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