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Re: Run Fortran executable in IDL [message #87956 is a reply to message #87954]

Thu, 06 March 2014 00:44

bstecklu
Messages: 14
Registered: February 2012

Junior Member

justinclouds wrote:
> I need to run a Fortran executable eros.exe. This Fortran executable uses an
> input file EROS.INP and produces an output files EROS.OUT and EROS.PLT. The
> executable works just fine (outside of IDL) and you can see that the output
> files are updated. The objective to run this within IDL is to change the
> input parameters in a loop. I tried the 'spawn' command like this:
>
> spawn, 'C:\EROS.exe < EROS.inp', /log_output
>
> It seems to want to run as I can see a shell process starting but get this
> error:
>
> run-time error F6501: READ(EROS.INP) - end of file encountered
>
> Any ideas on how to get this to work?
>
> EROS.INP is like an ini file and contains text and numerical values.

So your IDL program is a wrapper which updates EROS.inp within a loop. Did you
check whether the IDL-generated EROS.inp works from the command line? It seems
the FORTRAN code expects some input which is not written from within IDL.

Regards, B.

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[Message index]

		Run Fortran executable in IDL By: justinclouds on Wed, 05 March 2014 14:50
		Re: Run Fortran executable in IDL By: bstecklu on Thu, 06 March 2014 00:44
		Re: Run Fortran executable in IDL By: justinclouds on Thu, 06 March 2014 12:18

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