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Date: Fri, 18 Feb 2005 11:39:54 +0200
From: Maxim Sobolev <sobomax@portaone.com>
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Subject: Re: Change tar to GNU
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Bernd Walter wrote:
> On Fri, Feb 18, 2005 at 10:27:09AM +0100, Stijn Hoop wrote:
> 
>>On Fri, Feb 18, 2005 at 09:36:40AM +0100, Dag-Erling Smørgrav wrote:
>>
>>>Steve Kargl <sgk@troutmask.apl.washington.edu> writes:
>>>
>>>>find $PATH -newermt 20050214 | xargs tar cf new.tar
>>>
>>>Bad idea, for a number of different reasons (including file names
>>>containing spaces or other special characters, and command line length
>>>limits).  The following is slightly better, but will still fail if you
>>>have files with newlines in them:
>>>
>>>find $PATH -newermt 2005-02-14 | tar -c -f new.tar -T/dev/stdin
>>
>>Won't find -print0 | xargs -0 ... work in all cases?
> 
> 
> xargs possibly starts tar several times and tar overwrites the archive
> every time.
> Even if you get tar to append to an existing archive it can't know
> about hardlinked files spanning multiple calls.

That's a valid point. I think kientzle is likely to be interested in 
adding that functionality.

-Maxim