This won't work:
> ssh remotehost 'tar cvf - 1.jpg | ssh yoursourcehost "cat > 1.jpg.tar"'
but this will:
ssh remotehost 'tar cvf - 1.jpg | ssh yoursourcehost "cat - > 1.jpg.tar"'
will work.
The dash in the left of the 'pipe (|)' means stdin, and in the right means
stdout.
Once the SSH connection is established, you can do magic, and you could
possible 'extract' anything.
However, if one of the boxes is Linux, I'd go sshfs.
ET
Mike Ballon writes:
> Yes and no. You can't directly, like this won't work:
>
> tar xvf remotehost:test.tar .
>
> This would, but you're really just copying the file and then
> extracting with separate commands
>
> scp remotehost:test.tar . ; tar xvf test.tar
>
> Now you can tunnel with something like sshfs or you can actually pipe
> to ssh. For instance I can tar a file up and send it over ssh like so:
>
> tar cvf - 1.jpg | ssh remotehost "cat > 1.jpg.tar"
>
> You could also do that in the opposite direction as well, although to
> do this with a "reverse" would take some thinking :)
>
> I suppose something like the following, although I can't test it right now.
>
> ssh remotehost 'tar cvf - 1.jpg | ssh yoursourcehost "cat > 1.jpg.tar"'
>
> maybe use the modifer -t with ssh "ssh -t" so you don't miss any
> output. give a try see what happens. half the fun of *nix is figuring
> out what works and what doesn't.
>
> On Thu, Mar 15, 2012 at 3:01 PM, kitepilot@kitepilot.com
> <kitepilot@kitepilot.com> wrote:
>> Yes, scp (like cp) will copy back or forth, the 2 commands below are legal:
>> scp myuser@remotebox:/that/file /this/path
>> scp /this/path myuser@remotebox:/that/file
>> 1st one will 'retrieve' /that/file from 'remotebox' into /this/path
>> 2nd one will copy /this/path to /that/file in 'remotebox'.
>> ET
>>
>> joe@actionline.com writes:
>>>
>>>
>>> This is interesting. Does this really mean that
>>> scp in reverse is possible by using a similar syntax
>>> with the dot at the end to extract a file from a remote
>>> computer to my local computer?
>>> -----------------
>>> Mike Ballon wrote (in part) ... scp in reverse:
>>> scp 192.168.0.4:Pictures/2009-Move.from.Florida .
>>> I'm guessing the path of the pictures and take note of the dot at the end
>>>
>>>
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