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Message-ID: <d3fb7347-f0f7-47c1-907d-1754b9e440a9@towo.net>
Date: Sat, 11 Apr 2026 09:36:24 +0200
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Subject: Re: How to execute a shell command with gcc fortran 13.4.0-1?
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From: Thomas Wolff via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Thomas Wolff <towo AT towo DOT net>
Errors-To: cygwin-bounces~archive-cygwin=delorie DOT com AT cygwin DOT com
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Am 11.04.2026 um 09:31 schrieb Jean-Pierre Coulon via Cygwin:
> This is my program:
>
>       character*40 myorder
>       myorder = 'c:\ibmtools\winvi32.exe mytest.for'
>       print *, 'myorder = ', myorder
>       call system(myorder)
> *      call execute_command_line(myorder)
>       end
>
> but the result is:
> sh: line 1: c:\ibmtools\winvi32.exe: command not found, although it 
> works perfectly when I type it  in the command prompt.
How FORTRAN system() invokes the command is probably more a FORTRAN 
question than a cygwin question but you should try to vary path syntax 
first:
C:/ibmtools/...
or rather as a POSIX path
/cygdrive/c/ibmtools/...

>
> The result is worse with  execute_command_line(myorder):
>
>  Fortran runtime  error: EXECUTE_COMMAND_LINE: Invalid command line
>
> Error termination. Backtrace:
> #0  0x3ff6941a9 in ???
> #1  0x3ff619d31 in ??? [...] (ten lines)
> - Jean-Pierre Coulon                         E-mail: coulon AT oca DOT eu
>


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