On Tue, Jul 16, 2002 at 11:22:46AM +0200, Francesc X.Noria wrote:
> On Tue, 16 Jul 2002 16:07:33 +1000
> [EMAIL PROTECTED] wrote:
>
> : How about this?
> :
> : #!perl -p
> : $h{$_}=""}for(sort%h){
>
> I cannot see how that works. Why is $_ not printed in each loop? How
> that strange position of braces (...}...{) work? When and how is the for
> looping? I would be very grateful if you could explain it a bit or point
> to some earlier thread in case that was treated earlier in this list.
$ perl -MO=Deparse -pe '$h{$_}=""}for(sort%h){'
LINE: while (defined($_ = <ARGV>)) {
$h{$_} = '';
}
foreach $_ (sort %h) {
();
}
continue {
print $_;
}
-e syntax OK
--
Paul Johnson - [EMAIL PROTECTED]
http://www.pjcj.net
