On Feb 4, 2008 8:25 AM, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:

> I made an image object $mask_list and pushed several images in it.
> The internal structure seems ok because $mask_list->Write('test.jpg')
> delivers all the images with an index in the right sequence.
> Later I want to refer to the single images in the list with
> $mask = $mask_list[$j] but if I test it for example with
> $mask_list[0]->Write('test.jpg') I got the error message:
> Can't call method "Write" on an undefined value. Did someone
> see what went wrong? Thanks.

There's a better than 90% chance that you forgot to put 'use strict'
and 'use warnings' lines above your code.

  use strict;
  use warnings;

If you get an error message that you're not sure about, see what the
perldiag manpage says about it. Hope this helps!

--Tom Phoenix
Stonehenge Perl Training

-- 
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
http://learn.perl.org/


Reply via email to