Re: [Bug-tar] Modifying Volume Label with tar.

[Joerg Schilling]

Helmut Waitzmann <address@hidden> wrote:

> Ralph Corderoy <address@hidden> writes:
>
> >tar -V something -cf bar.tar dummyfile
>
> >And is there any way to create a tar file with nothing but the volume
> >label, i.e. remove the need for dummyfile above?
>
> You could give
>
> $ tar -V something -cf bar.tar --files-from=/dev/null

Be careful, a conforming writes 2 zeroed 512 byte blocks at the end.
Even if a tar implementation does not open the file with O_TRUNC, 
this will kill some blocks in the middle of the old
archive

Jörg

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