Date: Mon, 14 Mar 2005 16:10:34 -0600 From: David Kelly <dkelly@hiwaay.net> To: Brian John <brianjohn@fusemail.com> Cc: freebsd-questions@freebsd.org Subject: Re: Re: bad CRC in rar file Message-ID: <20050314221034.GA31388@Grumpy.DynDNS.org> In-Reply-To: <4534.209.87.176.4.1110834790.fusewebmail-19592@webmail.fusemail.com> References: <4534.209.87.176.4.1110834790.fusewebmail-19592@webmail.fusemail.com>
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On Mon, Mar 14, 2005 at 03:13:10PM -0600, Brian John wrote: > > > > Generally one uses par files to validate and repair rar files before > > reassembling the original image. To generate par files for this > > purpose one has to start with a good set of rar files. > > > par files? I've never heard of those. What is the purpose of par > files if you already have a good set of rar files? Is the idea that > the same person that distributes the original rar files will also > distribute par files with them? Yes. "Par" as in parity. The par files would contain redundant information which is intended to be used to verify/repair broken file(s) (not necessarily rar files). Essentially the same as Forward Error Correction. If you have incomplete or damaged files then you need par files to repair. Can not create par files out of bad files. -- David Kelly N4HHE, dkelly@HiWAAY.net ======================================================================== Whom computers would destroy, they must first drive mad.
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