-07 Jan 97  16:31:26-

=Rob Hamerling babbled to All about 'temp' redirect=



 RH> A couple of questions about redirecting output.



 RH> From my own program I want to spawn() another program but don't want

 RH> to see its stdout (and stderr) output. I understand that with



Open a pair of annonymous pipes.  Dupe the handle of the read pipe to

stdout and stderr.  Dupe the handle of the write pipe to stdin.  The

spawn off your program in such a way that it inherits the environment.

(See your compiler's documentation) You can do what you want with what

comes through the read handle (display it in a window, process it, junk

it, etc.), and you can write to the program's stdin if you like. 



 RH> stdout and stderr simultaneously? After returning from the spawned

 RH> program I want to resume normal stdout handling as it was before the

 RH> spawn(). How is that possible?  Should I close the file pointer I got

 RH> from freopen()? 



Save stdout, stderr, and stdin before duping the handles (dupe the std

handles to temp handles and then dupe the pipe handles).



Mike Phillips

INTERNET:  phil4086{at}utdallas.edu



... HUNTERS do it with bigger guns.

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