Re: The tar trick !!!

On Sun, 07 Jun 2009 22:38:25 +0100, Chris Davies wrote:

Robert Heller <heller@xxxxxxxxxxxx> wrote:
tar cf - myfile . | ssh anna@server1 'cd /home/anna/server1; tar xvf -
' Although this is also wrong ('myfile' will get copied twice).

If the cd on the remote end fails, the tar will extract to the user's
home directory - not necessarily what you want. You can handle this by
using the && construct. As a further potential optimisation, given the
assumption that anna@server1 has a home directory of /home/anna, you can
combine the two and use this:

tar cf - . | ssh anna@server1 'cd server1 && tar xvf -'

Is the "cd server1" needed?

tar -cf - . | ssh anna@server1 'tar -xv -C server1 -f -'

.

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