I started off with what I thought was a simple question, but googling,
searching mailing list archives, reading man pages, and testing hasn't
turned up anything I'm happy with and has raised some new issues...
In a past life, on a non-Unix system, I was able to set up simple and
effective mutual
On Thu, 14 Jul 2005, Dave Anderson wrote:
It also, at least under OpenBSD, has the serious problem that $$
isn't the PID of the shell running the script but rather the PID of the
original shell (whatever exactly that means; some testing suggests
that it's the last process on the PPID chain
** Reply to message from Otto Moerbeek [EMAIL PROTECTED] on Thu, 14 Jul
2005 17:11:10 +0200 (CEST)
The developer of the shell has the freedom to either spawn a separate
process for a subshell expression or execute the subshell commands in
the in a newly created enviroment that is a copy of the
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