Non-interactive multivolume restore

[Warner Losh]

On Sun, Feb 3, 2019, 8:23 PM George Mitchell <george+freebsd at m5p.com wrote:

> Historically, the restore program assumed that the volumes of a
> multivolume dump were on separate physical reels of tape, and that a
> human would have to load each tape to complete the restore.  But now
> I have multivolume dumps that are simply separate online files from
> which I would like to restore without having to type each name in
> one at a time.  However, you can give only one -f option on the
> command line, and additional file names are assumed to specify the
> files you want to restore, as opposed to additional dump volumes.
>
> I thought perhaps 'cat dumpvols... | restore -x -f -', but that
> gets confused at the beginning of the second volume.
>
> What's the right way to do this?
>

Multiple -f args? Maybe a printf format to clue restore into how to
construct the names? Maybe also some pipe command with a similar %
specification to allow restore from compressed files..

Warner

>