On Dec 3, 2007 10:12 AM, <[EMAIL PROTECTED]> wrote:
>
> #!/usr/local/bin/perl -w
> use strict;
> use warnings;
> my @ar = ();
>
> for(@ar){
> print "$_\n";
> }
>
> But running that script just does nothing but gleefully print a
> newline.
mhh? It won't print a newline, it even won't print anything.
b/c @ar is empty, for(...) doesn't go into it, 'print' won't be happened.
--
Jeff (yonghua) Pang
MailSys and Antispam with Perl
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