$message is a reference ... $pop->list probably returns a hash reference ...
%$message is dereferencing the reference so the whole thing (%$messages)
becomes a hash ... hope this helps (hope I understood your question!)
On Tue, Aug 14, 2001 at 07:31:15AM -0700, John Sands shaped the electrons to read:
> I copied some code to get POP mail:
>
> my $pop = Net::POP3->new($mail_server) or die "Can't open connection to
> $mail_server: $!\n";
> defined($pop->login($mail_username, $mail_password)) or die "Can't login to
> $mail_server, $mail_username, $mail_password: $!\n";
> my $messages = $pop->list() or die "Can't get list of messages from
> $mail_server: $!\n";
>
> It works. I iterate the list of messages with this loop:
>
> foreach my $msgnum (keys %$messages) {
> }
>
> This works as well. But I don't understand the use of the hash. Why isn't it:
>
> %messages = $pop-list()
>
> and:
>
> foreach my $msgnum (keys %messages) {
> }
>
> What does %$messages mean?
>
> Thanks
> John Sands
>
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