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Date: Thu, 6 Nov 2014 13:20:37 -0600
From: Alex Stangl <alex@stangl.us>
To: freebsd-questions@freebsd.org
Subject: Re: uniq(1) on last field
Message-ID: <20141106192037.GA15248@scout.stangl.us>
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 <20141106184306.GA14996@scout.stangl.us>
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On Thu, Nov 06, 2014 at 12:43:06PM -0600, Alex Stangl wrote:
> On Thu, Nov 06, 2014 at 11:03:19AM -0500, Janos Dohanics wrote:
> > Would you please help with a shell scripting problem. I have a samba
> > audit log file which after some parsing has entries like this:
> > 
> > Nov 5 15:07:10   testuser 10.10.10.72 pluto pwrite ok COMMON/Solidworks Parts & Assemblies/CDE - Beck/Tube Baffle Coalescer Model/~$40in OD Shell.SLDPRT
> > 
> > I would like to use uniq(1) on the file name, which is of course the
> > last field if / is used as field separator. 
> 
> $ awk -F'/' '{printf "%s%s%s\n", $NF, "/", $0}' yourfile.txt | sort -k '1,1' -u -t'/' | cut -f2- -d'/'

Or, even shorter,

$ awk -F'/' '{printf "%s/%s\n", $NF, $0}' yourfile.txt | sort -k '1,1' -u -t'/' | cut -f2- -d'/'


Alex