[CentOS] an rsync question

Wed Feb 27 18:39:12 UTC 2013
m.roth at 5-cent.us <m.roth at 5-cent.us>

Stuart Barkley wrote:
> On Wed, 27 Feb 2013 at 11:34 -0000, m.roth at 5-cent.us wrote:
>
>> Is there any way to have rsync compare against a file with a *different*
>> name?
>>
>> What I'd like to do is compare a vm - whatsit.img against a backup -
>> whatsit.current, that's a symlink to whatsit.timestamp, and if
>> different, *then* make the copy (which my script will then move to
>> whatsit.newtimestamp, and change the symlink to point to the new one,
>> then remove the old (or maybe save an older copy or two).
<snip>
> I'm not quite sure what you are trying to do.  A couple of things that
> I do include:
<snip>
> 3) Preserve historic backups as hard links (using 'cp').  This leaves
> 'backup/whatsit' as the current version (slightly inconsistent during
> the backup operation).
<snip>
THANK YOU!

Duhhhhh... Lost: small, squishy wrinkled grey thing. If found, return
here, sentimental value only.

I think
rsync -HPavx whatsit.img backup_dir/
ln backup_dir/whatsit.img backup_dir/whatsit.<timestamp>
solves my problem.

       mark