Date: Sat, 07 May 2011 07:38:09 +0100 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: freebsd-questions@freebsd.org Subject: Re: Comparing two lists Message-ID: <4DC4E8D1.5010007@infracaninophile.co.uk> In-Reply-To: <4DC48DB6.8030907@lazlarlyricon.com>
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On 07/05/2011 01:09, Rolf Nielsen wrote:
> I have two text files, quite extensive ones. They have some lines in
> common and some lines are unique to one of the files. The lines that do
> exist in both files are not necessarily in the same location. Now I need
> to compare the files and output a list of lines that exist in both
> files. Is there a simple way to do this? diff? awk? sed? cmp? Or a
> combination of two or more of them?
comm(1)
Which does exactly what you want -- showing lines that belong to one
file or another, and lines that belong to both. The limitation is that
the files need to be sorted before being compared.
Cheers,
Matthew
--
Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard
Flat 3
PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate
JID: matthew@infracaninophile.co.uk Kent, CT11 9PW
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