I have a quick question about process IDs, CGI, and Perl.  I know that doing
something like this on a unix machine will print the process ID:
 
print "$$\n";
 
Then when I do this:
 
$ perl pid.pl
 
it gives me:
 
570478783
 
Which is fine, but how come when I keep running the script, I get:
 
$ perl pid.pl
570478783
$ perl pid.pl
570478783
$ perl pid.pl
570478783
$ perl pid.pl
570478783
 
Shouldn't the process ID change every time it's run?  Basically, all I want is
a unique number every time this script I'm working on is run, and although it
wouldn't be a problem to put in a little counter subroutine, I just figured a
process ID would be easier.  Any ideas?  Thanks!
-Chris Carman
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