exec* exiting?

[Paul Rubin]

Neil Macneale <mac4-devnull at theory.org> writes:
> Why does the interpreter exit when I use the os.execl() function? Even when
> the command works correctly, the interpreter exits. Am I supposed to run
> this function is a seperate thread?  Thats lame, if so.

The exec system call replaces the current program image with the program
that you exec.  See a Unix manual.  You're supposed to fork and run
exec in a new process.  Why don't you use popen or something like that?