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Date:      Tue, 16 Dec 2003 13:25:52 -0800
From:      Chris Pressey <cpressey@catseye.mine.nu>
To:        mrb@bmyster.com
Cc:        freebsd-questions@freebsd.org
Subject:   Re: comparison of files
Message-ID:  <20031216132552.75b0c4a9.cpressey@catseye.mine.nu>
In-Reply-To: <1191.66.63.97.2.1071610282.squirrel@new.host.name>
References:  <1191.66.63.97.2.1071610282.squirrel@new.host.name>

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On Tue, 16 Dec 2003 16:31:22 -0500 (EST)
"Brent Bailey" <mrb@bmyster.com> wrote:

> hello,
> 
> I have been trying to write a shell script that will compare 2 files
> and generate a 3rd.
> 
> i have a list of abusive IP's generated by our router. I want to
> compare it against a list of known abuse IPs ..and have it create a
> file of repeat offenders.
> 
> ive tired to use "comm" to compare file1 against file2 doing something
> like
> 
> comm -12i file1 file2 >file3
> 
> however it doesnt seem to work....any suggestions ?

Are file1 and file2 sorted?

-Chris



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