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The Thursday 2007-05-17 at 12:26 +0100, David Bolt wrote:

> On Thu, 17 May 2007, Ciro Iriarte wrote:-
> 
> >RAR also provides a options to "Create recovery volumes"....
> 
> AFAIK[0], you can't _create_ a RAR file under Linux, only unpack them.
> If that is still the case, being able to create recovery volumes isn't
> much help.

There is, I think, a linux shareware version of rar, which I tried years 
ago and found lacking a lot. Maybe they have improved, dunno. Also, the 
first version of the algorithm was some kind of opensource, but I haven't 
seen a linux version of that (and it couldn't compete with any of the 
current compressors, any way).

The wikipedia says (under "Archiver features"):

   Variable amounts of redundancy (recovery record) can be added to an 
  archive, making it more resistant to corruption. Even if parts of an 
  archive are damaged, it is possible to fully recover the stored data if 
  a large enough recovery record exists.

It is, of course, interesting, that a compression algorithm handles 
internally things like volume spanning and redundancy.

[...]

Yes, there is a current shareware linux version here: 

<http://www.rarlab.com/download.htm>


- -- 
Cheers,
       Carlos E. R.
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