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Re: .sav format [message #52377 is a reply to message #52298]

Tue, 30 January 2007 05:21

Haje Korth
Messages: 651
Registered: May 1997

Senior Member

Mike,
Here is what I don't understand. In the first part of the notice that is
embedded in the sav files says that ANY reverse engineering is prohibited.
It does not distinguish between data and code elements. Thus it is my
understanding that nobody will ever be legally allowed to develop any
routine that messes with the sav file since it would automatically mean that
you would have to apply some sort of reverse engineering magic. The second
part of the notice says that I need a license for any non-RSI software that
reads/writes sav files. Doesn't that mean that anyone applying for such
license automatically incriminates himself/herself???

I am a scientist not a lawyer (if I where a lawyer I probably would not use
IDL as my tool of the trade) and I don't really understand this legal mumbo
jumbo (nor will I ever intend to understand it). Therefore I stay away from
using sav files and use any of the other numerous file formats that are
cross plattform, cross program compatible.

I wonder why Christopher was set on sav files and needed the docs? I guess
he never explained, so I may be overlooking something.

Haje

<mgalloy@gmail.com> wrote in message
news:1170101297.922961.279850@q2g2000cwa.googlegroups.com...
> Interesting. More poking around at Craig's site, reveals the following
> license for CMSVLIB:
>
> http://cow.physics.wisc.edu/~craigm/idl/down/LICENSE.RSI
>
> In particular, note point 5:
>
> ; 5. Allowed use of this software is limited to reading and writing
> ; IDL variable related portions of IDL Save files. It may not be
> ; used as a basis for reverse engineering, or otherwise
> ; accessing any other portions of an IDL save file, including but
> ; not limited to, those portions that encode executable IDL
> programs.
> ; Such use is in violation of the IDL EULA, and will be prosecuted
> ; to the fullest extent possible by Research Systems, Inc. It is
> ; permissible to read such sections of an IDL save file for the
> ; sole purpose of transferring it without examination or
> interpretation
> ; to another save file.
>
> So it appears you would need a similar license from ITTVIS for
> examining data .sav files (i.e. directly examining, there is an
> IDL_Savefile class in IDL 6.1 that can do a lot of this for data .sav
> files anyway) and it is strictly forbidden to examine code .sav files.
>
> Mike
> --
> www.michaelgalloy.com
>

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[Message index]

		.sav format By: ChristopherFlorio on Mon, 29 January 2007 04:50
		Re: .sav format By: JD Smith on Tue, 30 January 2007 09:58
		Re: .sav format By: Michael Galloy on Tue, 30 January 2007 09:40
		Re: .sav format By: Paolo Grigis on Tue, 30 January 2007 07:36
		Re: .sav format By: Haje Korth on Tue, 30 January 2007 05:21
		Re: .sav format By: Michael Galloy on Mon, 29 January 2007 13:01
		Re: .sav format By: Craig Markwardt on Sat, 03 February 2007 23:04
		Re: .sav format By: JD Smith on Mon, 29 January 2007 12:49
		Re: .sav format By: Haje Korth on Wed, 07 February 2007 05:10
		Re: .sav format By: JD Smith on Tue, 06 February 2007 15:45
		Re: .sav format By: JD Smith on Tue, 06 February 2007 15:44
		Re: .sav format By: Haje Korth on Tue, 06 February 2007 12:00
		Re: .sav format By: Craig Markwardt on Sun, 11 February 2007 13:53
		Re: .sav format By: Guillermo on Tue, 06 February 2007 11:04
		Re: .sav format By: David Fanning on Tue, 06 February 2007 07:42
		Re: .sav format By: Haje Korth on Mon, 05 February 2007 15:02
		Re: .sav format By: JD Smith on Mon, 05 February 2007 12:46
		Re: .sav format By: Haje Korth on Mon, 05 February 2007 10:27
		Re: .sav format By: JD Smith on Mon, 05 February 2007 09:58
		Re: .sav format By: Craig Markwardt on Sun, 11 February 2007 13:47

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