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Re: Sort files by filename



On 7/31/07, Mark Haney <mhaney ercbroadband org> wrote:
> Rodolfo Alcazar Portillo wrote:
> > Am Dienstag, den 31.07.2007, 11:00 -0400 schrieb Miner, Jonathan W (CSC)
> > (US SSA):
> >> -----Original Message-----
> >> From:        fedora-list-bounces redhat com on behalf of Mark Haney
> >> Sent:        Tue 07/31/2007 10:52 AM
> >> To:  For users of Fedora
> >> Cc:
> >> Subject:     Sort files by filename
> >>
> >> This is really a general linux question. I have a series of files in a
> >> format like this:
> >>
> >> XXXX20070515_112011_942_10.bz2
> >> XXXX20070515_112011_942_12.bz2 etc,
> >>
> >> and I am trying to find a way to do 2 things, one, sort these files in
> >> order, and then once in order, find the files that are numerically
> >> missing based on the last 2 numbers in the file name.  So if I have (as
> >> above I want to know that file XXXX20070515_112011_942_11.bz2 is
> >> missing.  Can someone get me started on this, I'm stumped.
> >
> > Just an example tip which simply works with a counter, hope helps you.
> >
> > a) Do you really need the sorting stuff? I didnt mess with that.
> >
> > b) the counter:
> >
> > [rodolfoap] /home/rodolfoap > for n in $(seq 10 40); do touch XXXX20070515_112011_942_${n}.bz2; done
> > [rodolfoap] /home/rodolfoap > rm XXXX20070515_112011_942_11.bz2
> > [rodolfoap] /home/rodolfoap > rm XXXX20070515_112011_942_22.bz2
> > [rodolfoap] /home/rodolfoap > rm XXXX20070515_112011_942_33.bz2
> > [rodolfoap] /home/rodolfoap > for n in $(seq 10 40); do if [ ! -e *_${n}.bz2 ]; then echo NOT FOUND: $n; fi; done
> > NOT FOUND: 11
> > NOT FOUND: 22
> > NOT FOUND: 33
> > [rodolfoap] /home/rodolfoap >
> >
> > Good luck.
>
> I think this would probably work except I really need to know which ones
> are out of sequence as is, changing the filename would eliminate that
> capability and the missing files are the ones I need.  See, I'm
> receiving the files from a separate server and they are sent to me in
> this format.  I need to know which ones I /don't/ receive so I know
> which ones I need to have resent.  Make sense?
>

Is there a reason why rsync cannot be used for this?

>
> Mark Haney
> Sr. Systems Administrator
> ERC Broadband
> (828) 350-2415


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