[sclug] strip paths from file when tarring?

[John Stumbles]

Dickon Hood wrote:
> On Sat, Mar 05, 2005 at 23:05:49 +0000, Darren Davison wrote:
> : On Sat, 2005-03-05 at 21:47 +0000, John Stumbles wrote:
> 
> : > like this?
> 
> : > tar cjf mytar.tbz2 foo/ bar/; cd long/path/to/; tar cjf mytar.tbz2 \
> : > logfile.log
> 
> : > not sure about the flags (cjf) - obviously you want to add the logfile
> : > to the now-existing archive file (and I can't be bottomed to rtfm,
> : > especially as I recall it's a $%&**! info file instead of a proper man
> : > page :-()
> 
> : I think the append flag is 'A', but you can't append to a compressed
> : archive, so I guess I have to do..
> 
> Ick.
> 
> : tar cf mytar.tar foo/ bar/
> : cd long/path/to
> : tar Af ~/mytar.tar logfile.log
> : bzip2 ~/mytar.tar
> 
> If they're on the same filesystem, personally I'd probably end up doing
> something reasonably icky as:
> 
> ln long/path/to/logfile.log .
> tar cvf - foo bar logfile.log | bzip2 > my.tar.bz2
> rm logfile.log

I was going to suggest something like:

(tar cf - foo/ bar/; cd long/path/to; tar cf - logfile.log) | bzip2

but seems bzip won't compress from stdin. You could do it with gzip... 
(I think: haven't tried it but deep within the recesses of my memory 
there lurks the notion that you can cat tar archives together.)


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John Stumbles                                      mobile 0780 866 8204
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