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Re: Ellipsis in IDL? [message #40268 is a reply to message #40122]

Thu, 29 July 2004 18:49

Evan Fishbein
Messages: 4
Registered: May 1999

Junior Member

About 1/2 year ago I asked RSI to include this capability. If enough
people ask, I am sure they will comply. As for the suggestion about
puttomh a list of arguments into a ptr array and using a case statement
to processess the argument list I once wrote program that wrote a
progam to put an argument list with up to 1024 arguments into a ptr
array. It is attached.

Michael Wallace wrote:
> How do you define a procedure to take N number of arguments when you
> don't know what N is before the procedure call? For those of you who
> have worked with C, what I'm after is something similar to the ellipsis
> (...) which allows N many arguments to be specified for functions such
> as printf.
>
> In IDL, the print command is obvious example of what I'm trying to do.
> The signature of print is:
>
> print [, Expr1, Expr2, ... , ExprN]
>
> So, how can I write a procedure to take N many arguments?
>
> -Mike

Attachment: var_arg.pro.gz
(Size: 9.87KB, Downloaded 84 times)

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[Message index]

		Ellipsis in IDL? By: Michael Wallace on Wed, 21 July 2004 15:58
		Re: Ellipsis in IDL? By: Evan Fishbein on Fri, 30 July 2004 17:25
		Re: Ellipsis in IDL? By: David Fanning on Thu, 29 July 2004 21:45
		Re: Ellipsis in IDL? By: Craig Markwardt on Thu, 29 July 2004 20:23
		Re: Ellipsis in IDL? By: Evan Fishbein on Thu, 29 July 2004 18:49

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