From: Brendan Halpin (brendan.halpin at domain ul.ie)
Date: Wed 10 Apr 2002 - 15:43:23 IST
Nick Murtagh <murtaghn at domain tcd.ie> writes:
> On Wednesday 10 April 2002 15:00, Brendan wrote:
> > I'm interested in the recent suggestion that differential backups
> > are better than incremental: i.e. after first run, do daily backups
> > of all changed since first run, not since last run. Any ideas how
> > to accomplish this with this setup?
> One way is to use the --newer option to tar. You have to store the date of
> the last full backup, and then every incremental one should pick up files
> that have changed since then. I don't think you can do this as I've described
> with a tar one-liner though...
tar --file Tuesday.tar.gz --newer `clever-command Monday.tar.gz`???
Is there a good way of achieving that? ie extract the creation date
of the first-run archive.
What I'd be happier with would be a way of reading the .snar file
created by the first-run, without updating it...
-- Brendan Halpin, Dept of Government and Society, Limerick University, Ireland Tel: w +353-61-213147 f +353-61-202569 h +353-61-385276; Room F2-025 x 3147 <mailto:brendan.halpin at domain ul.ie> <http://wivenhoe.staff8.ul.ie/~brendan>
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