[X4U] Re: Using gnutar in Tiger.

Robert Nicholson robert at elastica.com
Fri Mar 3 21:18:01 PST 2006


Well then it seems this little trivial test worked so I'm confused as  
to why the command line below fails to work

p1744-1222bkksp1:/tmp robert$ gnutar cvf test.tar test
test/
test/1
test/2
test/3
p1744-1222bkksp1:/tmp robert$ gnutar cvf test1.tar test -N ./test/now
test/
test/4
test/now

On Mar 4, 2006, at 11:08 AM, Robert Nicholson wrote:

> I also looked at the darwin sources to tar and saw that it supports  
> a filename as in
>
> /usr/bin/gnutar -W -v -p -X /usr/local/bruconfig/gnuxpat -N /var/ 
> backup/BACKUP-0 -cf /Volumes/External/BRUBackups/annie/ 
> backup-20060304-3.tar /
>
> but this also results in a full backup. ie. it's not considering  
> only those files that are more recent than the mtime of BACKUP-0
>
> On Mar 4, 2006, at 10:10 AM, Robert Nicholson wrote:
>
>> It's actually using the following.
>>
>>>
>>> /usr/bin/gnutar -W -v -p -X /usr/local/bruconfig/gnuxpat -N  
>>> 20060303 -cf /Volumes/External/BRUBackups/annie/ 
>>> backup-20060304-3.tar /
>>>
>>> What's happening at the moment is that the above line is actually  
>>> doing a full backup. ie. it's not considering the dates at all.
>>
>


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