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Need help with basic spawn command [message #54079]

Wed, 16 May 2007 15:34

ryanselk
Messages: 16
Registered: May 2007

Junior Member

Im running IDL on XP.

I have this basic C code:

#include <stdlib.h>

int main()
{

int n=5;
n=n*2;
return n;
}
//This file is basic.c

> From IDL, I just want to call this program and return n.

In IDL, I can write:

SPAWN, 'basic' ; this of course runs the
basic.c program.

But this doesnt return anythingof course.. ive tried to add another
variable after this line such as:
SPAWN, 'basic', variable

But windows doesnt like any of this...

Can anyone help me with this basic application? With spawn in the past
ive gotten it to do calculations on a variable and return them, but
with no input, im unsure how to get the output.

Thanks for any help! Ive also boughten the 'from c->dlm->idl' book but
it wont be in for a few days.

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[Message index]

		Need help with basic spawn command By: ryanselk on Wed, 16 May 2007 15:34
		Re: Need help with basic spawn command By: ryanselk on Tue, 22 May 2007 08:06

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