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Re: Q: Calling .PRO from a program [message #11661 is a reply to message #11660]

Tue, 19 May 1998 00:00

R. Bauer
Messages: 137
Registered: November 1996

Senior Member

Martin Fuhrer wrote:

> Hi idl experts
> I'm running IDL V5.0.2 WIN32 under WIN95 and I am writing a
> widget-based program. At some point my program calls another IDL program
> with keywords and parameters stored in local variables. I expected the
> program to behave like:
> IDL> myDirectory = 'C:\RSI\myData'
> IDL>ImageOut, myDirectory
> but it won't!
>
> For details see below:
> ..
> If (cpy eq 0) Then Begin
> kwd1 = 'HCOPY=0'
> ..
> EndIf Else Begin
> kwd1 = 'HCOPY=1'
> ..
> EndElse
> ;call other idl program (EM.PRO) with keyword now
> EM, kwd1
> ..
>
> The program crashes then with the following message:
> IDL>EM_GUI
> %EM: Incorrect number of arguments.
> %Execution halted at: ...
>
> One of the grizzly facts is that I don't know where the error message is
> coming from because in EM.PRO there is no such message implemented!
>
> Help about the keyword reveals the follwing information:
> IDL> help, kwd1
> KWD1 STRING = 'HCOPY=0'
>
> An hints or suggestions are very much appreciated by
> martin.fuhrer@computer.org

There is too much unknown.

How did you declare em.

pro em,in_var
end

or

pro em
end

or

;pro em,in_var
end

Only first definition will accept a submitted value.

--
R.Bauer

Institut fuer Stratosphaerische Chemie (ICG-1)
Forschungszentrum Juelich
email: R.Bauer@fz-juelich.de

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[Message index]

		Re: Q: Calling .PRO from a program By: Martin Fuhrer on Wed, 20 May 1998 00:00
		Re: Q: Calling .PRO from a program By: Martin Schultz on Wed, 20 May 1998 00:00
		Re: Q: Calling .PRO from a program By: davidf on Tue, 19 May 1998 00:00
		Re: Q: Calling .PRO from a program By: R. Bauer on Tue, 19 May 1998 00:00

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