OT: about compressed tarball

[Tony Nelson]

At 5:36 PM +0800 6/24/06, Stephen Liu wrote:
>Hi folks,
>
>I create a tarred file then compressed with bzip with following command
>line;
>
># tar -jcpf AAA.bz2 /home/path/to/dirA
>
>dirA is about 2G in size.
>
>After working several days on dirA I want to create a new compressed
>tarred file. Instead of repeating the above command, is there a way
>starting from the old file AAA.bz2 making use of the options -u, -N,
>-G, etc. to reduce the compressing time? I looked around on man tar and
>Internet and could not sort out their combination on the command line.
>
>Could you please shed me some light. TIA

I would guess you would want to use tar's --listed-incremental feature, but
you'll have to start over.  "info tar".
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