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Re: RFC 1: Common functions for beginners [message #35069]

Thu, 15 May 2003 05:47

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Reimar Bauer (R.Bauer@fz-juelich.de) writes:

> the miracle of
> n_elements() (obsolete, new call is SIZE(x,/n_elements)),
> n_params()
> arg_present()
> keyword_set()
> and how to use them

Now we are getting into the esoteric. Millions
of IDL programmers write successful programs
(well, successful enough, apparently) without
having the foggiest notion of how to use
KEYWORD_SET and N_ELEMENTS properly. Learning
about these functions can be put off until (1) You
have lost your job because the critical-it-don't-fail
program failed, or (2) You are desperate to get
the IDL Expert Programmer badge from the IEPA.

Cheers,

David
--
David W. Fanning, Ph.D.
Fanning Software Consulting, Inc.
Phone: 970-221-0438, E-mail: david@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155

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[Message index]

		Re: RFC 1: Common functions for beginners By: David Fanning on Thu, 15 May 2003 05:47
		Re: RFC 1: Common functions for beginners By: R.Bauer on Thu, 15 May 2003 03:32
		Re: RFC 1: Common functions for beginners By: Karsten Rodenacker on Thu, 15 May 2003 02:24
		Re: RFC 1: Common functions for beginners By: David Fanning on Wed, 14 May 2003 16:23
		Re: RFC 1: Common functions for beginners By: Pavel Romashkin on Wed, 14 May 2003 16:10

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