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Re: reverse problem [message #46176 is a reply to message #46053]

Fri, 04 November 2005 12:27

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

R.G. Stockwell writes:

> Yeah, I've always wanted to change that. However, it goes against my
> geological sedimentation style of programming. I still have every program
> I have ever written (and a quick look shows that I have 2278 files in my
> personal IDL library). These have carefully been layered over the years,
> and some of the older one are starting to fossilize. The point being, many
> routine will break because I have all kinds of parenthesis function calls,
> and
> other things that surely are no longer allowed.

The great thing (I guess) about the compiler options
is that they only take effect in the program module
in which they are declared. Thus, if you declare
a compile_opt at the main IDL level, they are not
in effect for the procedures and functions you run
at the main level, unless you have placed a
compile_opt command in those procedures and functions.

This makes is possible to move forward with new ideas
(that is, put a COMPILE_OPT statement in all the *new*
procedures and functions you write) and still be able to
run your rapidly fossilizing ones. :-)

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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[Message index]

		reverse problem By: news.qwest.net on Thu, 03 November 2005 16:24
		Re: reverse problem By: David Fanning on Fri, 04 November 2005 14:31
		Re: reverse problem By: savoie on Fri, 04 November 2005 14:03
		Re: reverse problem By: news.qwest.net on Fri, 04 November 2005 13:16
		Re: reverse problem By: David Fanning on Fri, 04 November 2005 12:27
		Re: reverse problem By: news.qwest.net on Fri, 04 November 2005 10:42
		Re: reverse problem By: David Fanning on Fri, 04 November 2005 09:22
		Re: reverse problem By: news.qwest.net on Fri, 04 November 2005 09:04
		Re: reverse problem By: MarioIncandenza on Fri, 04 November 2005 08:59
		Re: reverse problem By: Paolo Grigis on Fri, 04 November 2005 08:25
		Re: reverse problem By: liamgumley on Fri, 04 November 2005 07:41
		Re: reverse problem By: news.qwest.net on Fri, 04 November 2005 07:38

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