--compare-dest -- copy ONLY files with content-differences between 2 directories... to a third
Kevin Korb
kmk at sanitarium.net
Tue Jan 29 16:15:20 MST 2013
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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>> 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
>
>
>
>
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- --
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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/
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