On Tue, Nov 06, 2012 at 09:07:36AM +0100, Gour wrote:
> Hello!
> 
> I've a dump slit into 3 parts which I'd like to re-assemble into
> working tar archive in order to do selective restore.
> 
> So far, I did amrestore 2 images from the tapes and glued them together
> into one file named 'whole'.
> 
> Due to being tight on HD space and trying to  avoid dismantling my
> raid-1 array I wonder how could I concatenate the last (3rd) image
> directly from the tape onto the 'whole' file representing image1+image2?
> 
> 
> Sincerely,
> Gour

Assuming they are compressed with gzip you might try this
untested piece.

  for p in part1 part2 part3
  do
        dd if=$p bs=32k skip1 | gzip -d
  done | gzip > allparts.gzt


Jon
-- 
Jon H. LaBadie                 [email protected]
 11226 South Shore Rd.          (703) 787-0688 (H)
 Reston, VA  20190              (609) 477-8330 (C)

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