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calling functions directily [message #90969] Tue, 19 May 2015 09:13 Go to next message
Nikola is currently offline  Nikola
Messages: 53
Registered: November 2009
Member
I have just typed by mistake

IDL> size(variable)

without PRINT (with the variable previously defined, but irrelevant) and IDL gave me correct answer. So I tried it with some other intrinsic functions (MEAN, SIN, etc) and it worked. I tried it with my own function and it still works.

Since when it is possible to call functions like that? Is there some info available on this feature?

Here I have only: IDL Version 8.4 (linux x86_64 m64)

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Re: calling functions directily [message #90970 is a reply to message #90969] Tue, 19 May 2015 09:18 Go to previous messageGo to next message
Helder Marchetto is currently offline  Helder Marchetto
Messages: 520
Registered: November 2011
Senior Member
On Tuesday, May 19, 2015 at 6:13:46 PM UTC+2, Nikola Vitas wrote:
> I have just typed by mistake
>
> IDL> size(variable)
>
> without PRINT (with the variable previously defined, but irrelevant) and IDL gave me correct answer. So I tried it with some other intrinsic functions (MEAN, SIN, etc) and it worked. I tried it with my own function and it still works.
>
> Since when it is possible to call functions like that? Is there some info available on this feature?
>
> Here I have only: IDL Version 8.4 (linux x86_64 m64)

http://www.exelisvis.com/docs/Whats_New_8_3.html

It's called implied print.

http://www.exelisvis.com/docs/ImpliedPrint.html

Cheers,
Helder

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Re: calling functions directily [message #90971 is a reply to message #90970] Tue, 19 May 2015 09:39 Go to previous message
Nikola is currently offline  Nikola
Messages: 53
Registered: November 2009
Member
Thanks, Helder. I completely missed this one.

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