On Wed, 3 Apr 2002, Peter Jay Salzman wrote:
> i need access to the shell variable $$. tried this:
>
> my $file = $ENV{$};
>
> which didn't work. i managed to do it with:
>
> my $file = `echo $$`;
>
> but i'm curious -- is there a way to access $$ with the ENV hash?
I don't think so. Special shell variables are implemented in the
commandline interpretation, not in ENV.
If you were going to access the $th element of the ENV hash, I think you
would use $ENV{'$'}.
The getppid() function should obtain the parent process id for you.
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