To start a process with using open, call open command with: open "|prog args".
The successful execution of the command will return a file descriptor.
--James
> > Hi, everybody !!
> > Does anyone know how can I make fork() in scotty , i. e. I need to
> > call a programm(or tcl script, or something ) from scotty tcl script
> > so that the "farther" script won`t wait till his child returns. A just
> > start some new process working on it's own and continue to do my job
> > in the parent .
> >
> This is more difficult than it seems. Or at least I usually have more
> trouble with it than I expect!
>
> You would think that you could jjust do exec cmd &, but tcl still waits
> for stdout/stderr to close so it can get the result code, I think.
>
> At one job we had to have tk callbacks rsh to another machine and start
> things up. It took a LONG time to get things to work ok. At every
> step, it seemed, we had to redirect stdin/stdout/stderror to/from
> dev null. Sometimes you also have to use an intermediate shell script
> that just starts what you want to do and exits to prevent zombies.
>
> Could be worse. YOu could be using exec under NT. The TCL developers
> said that there were 60 some-odd variations.
>
> Post whatever you get working!
>
> Good luck
> -- cary
> cobrien@access.digex.net
>
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