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Re: 6.3 reactions? [message #48662 is a reply to message #48556]

Wed, 10 May 2006 09:33

Haje Korth
Messages: 651
Registered: May 1997

Senior Member

Craig,
we had a similar discussion with RSI here at APL when the VM first came
out. While I understand that you could theoretically have a free fully
licensed IDL version, in pratice the person trying to rewrite the IDLDE
as a widget in IDL must be a complete nut. And I still claim that, if
one wanted to, and I most certainly do NOT encourage anyone to do so,
there are far easier methods to get around licensing mechanisms. FLEXLM
is useful for license management to ensure that an appropriate number
of licenses is available in an organization, but its use as copy
protection to prevent illegal use is in my opinion nothing but smoke
and mirrors.

It is rather worth investigating how execute could be allowed in VM.
Illegal use would be to read a text file line for line and execute each
statement. But what if one would limit the number of execute statements
per second or add a small delay after each execute. This would allow
occasional use of execute, but using it for whole programs would make
it painfully slow. Not sure whether this would be worth the effort, but
there must be some way.

Haje

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[Message index]

		6.3 reactions? By: Richard French on Mon, 01 May 2006 20:31
		Re: 6.3 reactions? By: codepod on Fri, 05 May 2006 07:25
		Re: 6.3 reactions? By: JD Smith on Fri, 05 May 2006 09:24
		Re: 6.3 reactions? By: Haje Korth on Thu, 04 May 2006 09:28
		Re: 6.3 reactions? By: R.Bauer on Thu, 04 May 2006 01:26
		Re: 6.3 reactions? By: codepod on Thu, 11 May 2006 13:15
		Re: 6.3 reactions? By: wem on Thu, 11 May 2006 10:26
		Re: 6.3 reactions? By: Haje Korth on Thu, 11 May 2006 10:06
		Re: 6.3 reactions? By: Foldy Lajos on Wed, 10 May 2006 10:24
		Re: 6.3 reactions? By: Haje Korth on Wed, 10 May 2006 09:33
		Re: 6.3 reactions? By: Craig Markwardt on Wed, 10 May 2006 08:23
		Re: 6.3 reactions? By: Mark Hadfield on Tue, 09 May 2006 16:21
		Re: 6.3 reactions? By: JD Smith on Tue, 09 May 2006 11:54
		Re: 6.3 reactions? By: JD Smith on Tue, 09 May 2006 11:59
		Re: 6.3 reactions? By: David Fanning on Tue, 09 May 2006 10:50
		Re: 6.3 reactions? By: codepod on Tue, 09 May 2006 10:30
		Re: 6.3 reactions? By: Richard French on Mon, 08 May 2006 21:23
		Re: 6.3 reactions? By: JD Smith on Mon, 08 May 2006 13:25
		Re: 6.3 reactions? By: codepod on Mon, 08 May 2006 07:29
		Re: 6.3 reactions? By: David Fanning on Fri, 05 May 2006 09:55

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