A Short Perl Brain Teaser
Joel Meulenberg
joelmeulenberg at yahoo.com
Mon Sep 27 09:39:32 CDT 1999
> Actually, I have no idea but, I'm going to hazard a guess.
>
> Overflow memory
Actually, it might just do that on a finite system since I didn't wait
for it to run with that ungodly number.
I guess I should have said:
On a system with unlimited resources, what would it print?
> I recognize $_ as a special variable (but not what it's for). As for
I figured that might obscure things a little, but that really wasn't my
intent. I actually write real code like that occasionally.
It's actually accessing the @_ array of subroutine parameters. Usually
you'd see something like this:
sub g {
my ($param1) = @_;
...
}
I just shortened things and accessed the first parameter out of the
special @_ array directly as $_[0].
> Thanks for the vote of confidence though!
OK, a clue:
Greeks might find it esthetically pleasing.
+Joel
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