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Re: project license [message #59996 is a reply to message #59995]

Wed, 23 April 2008 13:42

Jean H.
Messages: 472
Registered: July 2006

Senior Member

nata wrote:
> Hi gurus,
>
> Anybody knows how to put a license in a IDL project ? I want to write
> a license for my project (only available for X days). Is it possible?
>
> Thanks

You could create a license file with a large amount of random numbers
and a few numbers at known position that hold the starting date of the
license. Then, have your main program read this file, extract the date,
and compare with today's date. The good point is that you could
automate the creation of this file in any language, including PHP, so no
need to modify your code each time you want to give your program to someone!

example:
license = fix(randomu(100,10000)*10) ;0 to 9
license[51] = 2
license[489] = 3 ;day = 23
license[9851] = 0
license[3246] = 4 ;month = 04
license[921] = 2
license[8001] = 0
license[5675] = 0
license[4854] = 8 ;year = 2008

Now in your program, read only the specified indexes and voila! ... make
sure that no ones finds the indexes you use!!!

Jean

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[Message index]

		Re: project license By: David Fanning on Thu, 24 April 2008 09:18
		Re: project license By: David Fanning on Thu, 24 April 2008 06:47
		Re: project license By: David Fanning on Thu, 24 April 2008 06:41
		Re: project license By: Vince Hradil on Thu, 24 April 2008 06:35
		Re: project license By: b_gom on Wed, 23 April 2008 15:57
		Re: project license By: David Fanning on Wed, 23 April 2008 14:56
		Re: project license By: natha on Wed, 23 April 2008 14:54
		Re: project license By: Jean H. on Wed, 23 April 2008 14:25
		Re: project license By: R.G. Stockwell on Wed, 23 April 2008 14:34
		Re: project license By: natha on Wed, 23 April 2008 14:29
		Re: project license By: Bob[3] on Wed, 23 April 2008 14:09
		Re: project license By: Jean H. on Wed, 23 April 2008 13:42
		Re: project license By: David Fanning on Wed, 23 April 2008 13:54
		Re: project license By: natha on Wed, 23 April 2008 13:46
		Re: project license By: David Fanning on Wed, 23 April 2008 13:20
		Re: project license By: b_gom on Thu, 24 April 2008 10:24

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