differential backup using deltas.

[Matt McCutchen]

On 1/19/07, Craig Hammond <craig at sbisolutions.com.au> wrote:
> I am storing many copies of this database as a backup at the moment,
> which take up a GB every backup.
> It would be a lot more efficient on disk space if I only had to store
> the original, then the rsync differences. Then have some way way to
> combine the two to end up with the complete modified file.

rdiff-backup ( http://www.nongnu.org/rdiff-backup/ ) does this.

Matt