From owner-freebsd-questions  Tue Jan 15 19:34: 4 2002
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Date: Wed, 16 Jan 2002 05:33:09 +0200
From: Giorgos Keramidas <keramida@FreeBSD.org>
To: ann kok <annkok2001@yahoo.com>
Cc: Jan Grant <Jan.Grant@bristol.ac.uk>,
	questions <questions@FreeBSD.org>
Subject: Re: crontab to backup mail in date format
Message-ID: <20020116033309.GB25005@hades.hell.gr>
References: <Pine.GSO.4.31.0201141625490.20828-100000@mail.ilrt.bris.ac.uk> <20020116024727.49626.qmail@web20108.mail.yahoo.com> <20020116030821.GA25005@hades.hell.gr>
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On 2002-01-16 05:08:22, Giorgos Keramidas wrote:
>
> Sort backup archives by date, and erase everything that is older than
> 3 days.  If you have files called:
>
> 	% ls -1 mail.*
> 	mail.2002.01.08.tar.gz
> 	mail.2002.01.09.tar.gz
> 	mail.2002.01.10.tar.gz
> 	mail.2002.01.11.tar.gz
> 	mail.2002.01.12.tar.gz
>
> and you want to erase all but the 3 last, you can use commands like:
>
> 	% ls -1 mail.*.tar.gz | sort -3 | sed -e '1,3d'

Of course that should read: sort -r

Bleh, I should stop replying to mail after 03:00 am.

-- 
Giorgos Keramidas . . . . . . . . . keramida@{ceid.upatras.gr,freebsd.org}
FreeBSD Documentation Project . . . http://www.freebsd.org/docproj/
FreeBSD: The power to serve . . . . http://www.freebsd.org/

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