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From: Joe Greco <jgreco@brasil.moneng.mei.com>
Message-Id: <199611272236.QAA19901@brasil.moneng.mei.com>
Subject: Re: Editing active file
To: admin@linkeasy.net (Mike Parks)
Date: Wed, 27 Nov 1996 16:36:09 -0600 (CST)
Cc: freebsd-isp@freebsd.org
In-Reply-To: <199611272106.NAA21365@orka.linkeasy.net> from "Mike Parks" at Nov 27, 96 01:06:24 pm
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> When I start INN I recieve error message saying duplicate comp.?.? when I
> delete the line from my active file and restart innd I get the same message
> referring to the next line of the active file.
> 
> Is there a command to search and delete all duplicate lines in this file so
> I don't have to go through them one by one.

Try this.

% awk '{print $1}' /usr/local/news/active | sort | uniq -c
alt.binaries.startrek
alt.binaries.startrek.adult
alt.binaties.startrek.adult
alt.sex.fetish.startrek
%

This will not actually delete them but it will tell you which ones are
duplicated.  That may be helpful.

... JG