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Re: IDL(rsi) + FORTRAN(digital) + DLL(windows nt) [message #15519 is a reply to message #15512]

Mon, 24 May 1999 00:00

L. Paul Mix
Messages: 8
Registered: July 1996

Junior Member

> On Fri, 21 May 1999 10:14:09 +0200, Michel Kruglanski
> <michel.kruglanski@bira-iasb.oma.be> wrote:
>
>> I succeeded already to apply this subroutine under OpenVMS
>> HP-UX ans SunOS without including plateform-specific codes
>> neither in the Fortran code nor in the IDL code (except the
>> name of the sharable object/executable, i.e. test.exe, test.sl,j
>> test.so or test.dll, respectively)
>> Since some of the Fortran subroutines include WRITE(6,*) statement,
>> is it a way to force IDL to accept a console without modifying
>> the Fortran code (even through an option to DF)?
>

My experience with IDL's call_external is that it is always dangerous to
try to access stdin or stdout, but file access seems ok.

One solution is to call a wrapper routine which opens a scratch file to
which the subroutines write.
When the work is finished, the wrapper routine rewinds the scratch file,
reads each line and uses the IDL routine: IDL_Message to put the
information on the current IDL console.

This technique seems to work for Windows, MAC, and UNIX (SUN, HP, DEC,
SGI) for both idl and idlde.
You will need to append a char(0) after the last non-blank character to
convert the Fortran string to a C string.

L. Paul Mix
Distinguished Member of the Technical Staff
Electromagnetics and Plasma Physics Analysis

Sandia National Laboratories
MS 1186, P.O. Box 5800
Albuquerque, NM 87185-1186
E-mail: lpmix@sandia.gov
Phone: (505) 845-7493
FAX: (505) 845-7890

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[Message index]

		Re: IDL(rsi) + FORTRAN(digital) + DLL(windows nt) By: Michel Kruglanski[1] on Tue, 25 May 1999 00:00
		Re: IDL(rsi) + FORTRAN(digital) + DLL(windows nt) By: L. Paul Mix on Mon, 24 May 1999 00:00
		Re: IDL(rsi) + FORTRAN(digital) + DLL(windows nt) By: Steve.Lionel on Fri, 21 May 1999 00:00
		Re: IDL(rsi) + FORTRAN(digital) + DLL(windows nt) By: Michel Kruglanski[1] on Fri, 21 May 1999 00:00
		Re: IDL(rsi) + FORTRAN(digital) + DLL(windows nt) By: Steve.Lionel on Thu, 20 May 1999 00:00

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