On 1/25/06, radhika <[EMAIL PROTECTED]> wrote:
> Hi,
> I have a snippet of code as below.
> Even when I return 0 or '', why does @blocks evaluate to true?
> If rows returned are 0, then if(@blocks) should evaluate to false, correct?
> Thanks,
> Radhika
> ---
> use strict;
> use diagnostics;
> my @blocks = ();
> sub do_something
> {
> my @row = @_;
> return @row if(@row);
> return '';
> }
> @blocks = do_something();
> if([EMAIL PROTECTED])
> {
> print("Got this number: @blocks\n");
> }
> else
> {
> print("Got nothing\n");
> }
snip
The second return in do_something() is your problem.
--
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
<http://learn.perl.org/> <http://learn.perl.org/first-response>
