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From: David Kelly <dkelly@hiwaay.net>
Date: Thu, 28 Jan 2010 20:40:13 -0600
To: CyberLeo Kitsana <cyberleo@cyberleo.net>
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Cc: "Aryeh M. Friedman" <aryeh.friedman@gmail.com>,
	freebsd-questions@freebsd.org
Subject: Re: OT: finding every file not in a list
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On Jan 28, 2010, at 4:23 PM, CyberLeo Kitsana wrote:

> Aryeh M. Friedman wrote:
>> I have a list of files that should be in a dir tree and want to remove
>> any files from the tree not in list (i.e. if it is on the list keep it
>> else rm it)... any quick way to do this?
> 
> # ls -1F
> keep
> old/

[...]

I think mtree(8) is the proper tool for this job. Especially the -r option:

     -r    Remove any files in the file hierarchy that are not described in
           the specification.

--
David Kelly N4HHE, dkelly@HiWAAY.net
========================================================================
Whom computers would destroy, they must first drive mad.