I want to create a GUI in Win32 that launches a command line tool.
Now I can launch the commandline tool use the spawn() function from
process.h, but I cannot figure out how to capture the stdout or sterr
afterwards.

launching the app as follows :

spawnl(P_WAIT, "c:\\app.exe 2> err.log", "app.exe 2> err.log", NULL);

Doesn't seem to work.
Can anyone help me with this?

Oscar

Oscar wrote:
) I want to create a GUI in Win32 that launches a command line tool.
) Now I can launch the commandline tool use the spawn() function from
) process.h, but I cannot figure out how to capture the stdout or sterr
) afterwards.
)
) launching the app as follows :
)
) spawnl(P_WAIT, "c:\\app.exe 2> err.log", "app.exe 2> err.log", NULL);
)
) Doesn't seem to work.
) Can anyone help me with this?

You may want to try using 'system', otherwise you'll have to do ugly stuff
with dup2 and fork.


SaSW, Willem (at stack dot nl)
--
Disclaimer: I am in no way responsible for any of the statements
made in the above text. For all I know I might be
drugged or something..
No I'm not paranoid. You all think I'm paranoid, don't you !
#EOT

Thanks willem, that worked just fine.
Is there any way in which you can prevent the dosbox from popping up
after calling system().

Oscar

On Wed, 3 Dec 2003 16:12:40 +0000 (UTC), Willem <willem@stack.nl>
wrote:

Oscar van den Bosch wrote:

Not using the system() command, no. You might want to check the
available Win32 API functions if you need to fine-tune things. I'd
suggest looking up CreateProcessEx().

--
Corey Murtagh
The Electric Monk
"Quidquid latine dictum sit, altum viditur!"

Oscar van den Bosch wrote:

Check out CreateProcess();

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A technique I perfer is popen(). Works on M$ too.

Programmer Dude wrote: