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Re: Problem Compiling and Using Functions [message #46805 is a reply to message #46804]

Wed, 04 January 2006 15:51

someone[1]
Messages: 2
Registered: January 2006

Junior Member

On Wed, 04 Jan 2006 17:48:28 -0500, Paul Van Delst
<Paul.vanDelst@noaa.gov> wrote:

> David Fanning wrote:
>> someone@someplace.com writes:
>>
>>
>>> I'm having trouble getting simple functions to work.
>>>
>>> It's probably a simple error, but I can't figure it out. I'm using IDL
>>> 5.6 and ENVI 3.6.
>>>
>> Functions return a value. Try writing the function call like this:
>>
>> void = extract_tiles_get_tile(fid)
>
> Man, I heard the "D'OH!" all the way over here!
>
> :o)

DOH!... Doh!... doh!... (echoing off into the distance) :)

Thanks for your fast response. It works now.

I'm new to IDL and I'm not used there being this difference between
functions and procedures.

So, procedures don't return anything and functions *always* have to
return something and the calling function/procedure has handle them
correctly.

Thanks,
Mike

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[Message index]

		Re: Problem Compiling and Using Functions By: David Fanning on Wed, 04 January 2006 16:13
		Re: Problem Compiling and Using Functions By: someone[1] on Wed, 04 January 2006 15:51
		Re: Problem Compiling and Using Functions By: Paul Van Delst[1] on Wed, 04 January 2006 14:48
		Re: Problem Compiling and Using Functions By: David Fanning on Wed, 04 January 2006 14:09
		Re: Problem Compiling and Using Functions By: R.Bauer on Sat, 07 January 2006 15:04

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