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From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Date: Mon, 29 Oct 2007 09:48:46 -0400
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	(Steve Franks's message of "Sun\, 28 Oct 2007 10\:17\:11 -0700")
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Cc: User Questions <freebsd-questions@freebsd.org>
Subject: Re: cp --verify?
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"Steve Franks" <stevefranks@ieee.org> writes:

> I don't see a --verify switch on cp, so I presume it does not.  Is
> there an automated way to ensure a copy has gone well byte-for-byte
> without writing a script to filter diff?  I want to be relatively sure
> my family pics are in the destination and not currupted before I wipe
> my flash card - got burned by ms windows on that bigtime last year...

I like to use mtree(1) for this.