Piping output of tar(1) into another tar(1) command
mark at ukug.uk.freebsd.org
Mon Nov 20 17:04:14 GMT 2006
I'm sure this is possible, but I can't work it out....
I have a massive Gzip'd tar archive that I need to put onto tape (DAT)
as I need the disk space. I don't have enough disk space to extract the
archive to a temporary location in order to archive it to tape therefore
I need to do it directly by piping the output of the archive extraction
to the tar(1) command to write it to tape.
I tried this (using a small test archive to prevent disaters):
tar xzvf foobar.tgz | tar cvf wibble.tar -
which, as I half-expected, didn't work and neither did this:
tar xzvf foobar.tgz -C - | tar cvf wibble.tar -
tar: could not chdir to '-'
I'm sure I've seen this done, but how? Or am I thinking about when
dump(8) is used, piped into tar(1) to write it to tape?
Anyone know how to do this?
More information about the Ukfreebsd