Comparing two lists

Polytropon freebsd at
Sat May 7 00:33:27 UTC 2011

On Sat, 07 May 2011 02:09:26 +0200, Rolf Nielsen <listreader at> wrote:
> Hello all,
> 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?

I would suggest using a combination of sort, uniq and diff.
Those are base system tools.

Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...

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