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Re: main or procedure [message #54625 is a reply to message #54624]

Wed, 20 June 2007 07:24

Carsten Lechte
Messages: 124
Registered: August 2006

Senior Member

David Fanning wrote:
> If programs are written correctly, they don't have to
> be compiled manually, hence they work on ANY level. :-)

If programs were written correctly, there would be no need to
debug them in the first place. Since they aren't, there is a need,
hence the trap of writing some ad-hoc data displaying code to
find out why the program stopped, and running said code by
compiling it into a new main program (which is what IDLWAVE's
very useful idlwave-shell-run-region function will do).

Then realising you should have run the code by either entering
it into the command line, or putting it into a named function
or procedure. Then swear profusely at IDL for returning to the
main level and destroying all the data you would have needed
for proper error diagnostic.

Of all the crimes against usability, throwing away the
user's data without asking is one of the worst.

chl

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[Message index]

		Re: main or procedure By: Carsten Lechte on Thu, 21 June 2007 12:06
		Re: main or procedure By: JD Smith on Wed, 20 June 2007 17:02
		Re: main or procedure By: JD Smith on Wed, 20 June 2007 16:36
		Re: main or procedure By: Carsten Lechte on Wed, 20 June 2007 13:13
		Re: main or procedure By: David Fanning on Wed, 20 June 2007 12:14
		Re: main or procedure By: Carsten Lechte on Wed, 20 June 2007 11:50
		Re: main or procedure By: Conor on Wed, 20 June 2007 11:54
		Re: main or procedure By: Paul Van Delst[1] on Wed, 20 June 2007 10:48
		Re: main or procedure By: Vince Hradil on Wed, 20 June 2007 09:47
		Re: main or procedure By: Carsten Lechte on Wed, 20 June 2007 09:12
		Re: main or procedure By: Carsten Lechte on Wed, 20 June 2007 09:03
		Re: main or procedure By: Conor on Wed, 20 June 2007 08:42
		Re: main or procedure By: David Fanning on Wed, 20 June 2007 07:56
		Re: main or procedure By: David Fanning on Wed, 20 June 2007 07:40
		Re: main or procedure By: Marshall Perrin on Wed, 20 June 2007 07:39
		Re: main or procedure By: Carsten Lechte on Wed, 20 June 2007 07:24
		Re: main or procedure By: David Fanning on Wed, 20 June 2007 07:00
		Re: main or procedure By: Carsten Lechte on Wed, 20 June 2007 06:07
		Re: main or procedure By: Conor on Wed, 20 June 2007 05:39
		Re: main or procedure By: David Fanning on Wed, 20 June 2007 05:20

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