--compare-dest -- copy ONLY files with content-differences between 2 directories... to a third

Kevin Korb kmk at sanitarium.net
Tue Jan 29 16:49:50 MST 2013


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

You said the magic word: source

You want git.  Maybe subversion but probably git.

On 01/29/13 18:30, John Reye wrote:
> By the way, the application of this is for the following:
> 
> If you have 2 huge source trees with only a few differences: old/ 
> new/
> 
> then I want to create 2 new minimal source trees, that contain only
> the differences: old_archive/ new_archive/
> 
> This way, I can send someone old_archive/ and new_archive/ that
> contain only the few differences, instead of sending the huge 
> source-trees old/ and new/
> 
> :)
> 
> Regards, John
> 
> 
> On Wed, Jan 30, 2013 at 12:15 AM, Kevin Korb <kmk at sanitarium.net 
> <mailto:kmk at sanitarium.net>> wrote:
> 
> That sounds more like a job for --backup and --backup-dir instead
> of --checksum and --compare-dest but I have not tried to do this
> before.
> 
> On 01/29/13 18:13, John Reye wrote:
>> Hello,
> 
>> thanks for the reply, but I must confess: I don't understand it.
> 
>> How would I go about using rsync to copy only files with content 
>> difference between folder new and old (or existance-only in
>> folder new)... from folder new to a third folder new_archive...
>> ??? along the lines of:
> 
> 
>> rsync -av  --checksum --delete --progress --stats 
>> --compare-dest=../old new/ new_archive
> 
>> (I've been trying around with --ignore-times and --size-only...
>> but that didn't lead anywhere...)
> 
>> Can this actually be done with rsync?
> 
>> Thanks, John
> 
> 
>> On Wed, Jan 30, 2013 at 12:01 AM, Kevin Korb <kmk at sanitarium.net
> <mailto:kmk at sanitarium.net>
>> <mailto:kmk at sanitarium.net <mailto:kmk at sanitarium.net>>> wrote:
> 
>> With -a you are telling rsync to copy the timestamp difference. 
>> It can't set a timestamp on nothing.
> 
>> On 01/29/13 17:58, John Reye wrote:
>>> Hi,
> 
>>> I'm having trouble with --compare-dest, to copy only files
>>> that differ in content.
> 
>>> Here are the commands used thusfar: rsync -av  --checksum 
>>> --delete --progress --stats --compare-dest=../old new/ 
>>> new_archive
> 
>>> rsync -av --checksum --delete  --progress --stats
>> --compare-dest=../new old/
>>> old_archive
> 
>>> old/ a.txt
> 
>>> new/ a.txt
> 
> 
>>> Note: both a.txt are the same (except for a different 
>>> timestamp). a.txt contains just 2 characters: 'a' and '\n'
> 
>>> Now the problem: In the output I see a.txt get copied!!! 
>>> old_archive/ a.txt
> 
>>> new_archive/ a.txt
> 
>>> I do NOT want this! Why is a.txt getting copied, when it is 
>>> identical in its content?
> 
>>> Please can you help, so that only files that DIFFER IN CONTENT 
>>> ONLY... get copied.
> 
>>> Thanks. John
> 
> 
> 
> 
>> -- Please use reply-all for most replies to avoid omitting the 
>> mailing list. To unsubscribe or change options: 
>> https://lists.samba.org/mailman/listinfo/rsync Before posting, 
>> read: http://www.catb.org/~esr/faqs/smart-questions.html
> 
> 
> 
> 
> 
> 
> -- Please use reply-all for most replies to avoid omitting the
> mailing list. To unsubscribe or change options: 
> https://lists.samba.org/mailman/listinfo/rsync Before posting,
> read: http://www.catb.org/~esr/faqs/smart-questions.html
> 
> 

- -- 
~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~
	Kevin Korb			Phone:    (407) 252-6853
	Systems Administrator		Internet:
	FutureQuest, Inc.		Kevin at FutureQuest.net  (work)
	Orlando, Florida		kmk at sanitarium.net (personal)
	Web page:			http://www.sanitarium.net/
	PGP public key available on web site.
~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.19 (GNU/Linux)
Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/

iEYEARECAAYFAlEIYB4ACgkQVKC1jlbQAQepuwCfWy8hCknU9UwvTaWBlxoSb9Ub
ogMAn2baeQUzyTwY3dhjNxCsm/upSEf+
=fayi
-----END PGP SIGNATURE-----


More information about the rsync mailing list