On Mon, Mar 23, 2009 at 9:53 AM, igotux igotux <igo...@gmail.com> wrote:
> Hi Team,
>
> Can someone explain what is wrong happeneing here ?
>
> $ perl -e 'use Business::ISBN; $isbn_object = new
> Business::ISBN('0-59610-206-2');print $isbn->as_string;'
> Can't call method "as_string" on an undefined value at -e line 1.
> $This is a prime example why you should always check your return type or error codes for failures. Are you sure that ISBN number is valid? > > Thanks, > Tux.... > -- [ Rodrick R. Brown ] http://www.rodrickbrown.com http://www.linkedin.com/in/rodrickbrown -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/
