Re: Synchronize two folders in both way; criteria: last changed
On 25-07-2008, Andrew Sackville-West <andrew@farwestbilliards.com> wrote:
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> On Fri, Jul 25, 2008 at 07:23:46PM +0200, Dvorzhetsky wrote:
>> Hello,
>>
>> First I'll explain the situation: I have an archive folder with images, =
>=20
>> text and other type of files. I used to backup this folder from time to =
>=20
>> time but at some point I stop doing that and got confuse (or messy:) and =
>=20
>> start to edit files in the backup and/or to add files to the 'current' =
>=20
>> folder.
>>
>> I'd like to rationalized that by synchronizing the backup and current in =
>=20
>> both way:
>>
>> - keeping only the version of the files which have been the most =20
>> recently changed.
>> - if a file or a subfolder is present in one folder and not the other =20
>> I'd like to always keep it.
>>
>> I look into mann rsync but I'm always asked to choose one source and one =
>=20
>> destination, which is obviously not what I want to do. Is there a way to =
>=20
>> do that with rsync? How?
>>
>> Maybe with another software?
>
> you could get unison to do it I think. That seems to fit the model of
> what it does. I use it, but it's been so long since I started using
> it, that I don't know how it reacts the first time you use
> it. Certainly worth a shot though.
>
Unison when first running will give you a pretty good choice folloing
your criteria... But this is not for sure. You can tune the way it do it
through option like -prefer and -preferpartial...
Regards,
Sylvain Le Gall
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