os.execl()

[Skip Montanaro]

    Brian> Yes, os.spawnv() is easier to use, but it's only available on
    Brian> Windows.  os.fork() is only available on Unix.  This restriction
    Brian> is noted in the 1.5.2 documentation (which I'm still using).

There are Python versions of os.spawn* that may help.  Looks like they
should back-port to 1.5.2 with no problem.  They are simple wrappers around
os.fork.

-- 
Skip Montanaro (skip at pobox.com)
http://www.mojam.com/
http://www.musi-cal.com/