At 10:49 PM 9/13/00 +0200, Bart Lateur wrote:
>Imagine the following scenario: your script contains a doiuble-quotish
>40 line here-doc, with a bunch of variables in it. Unforetunately, you
>forgot to set one, and you get the not so helpful complaint:
>
> use of unitialized value at line xxx
>
>where xxx is the line number for the line that contains the "<<" for the
>here doc. Now, what variable was it? Happy hunting!
I would rather solve this by requiring that Perl identify the thing that
was undef than what you propose below. Surely it can't be that hard.
>Imagine that you could easily override the conversion of undef() into a
>string, so that when stringified it returns something like "#UNDEF#"
>instead of just an empty string. That would make debugging far more
>easy: take a look at the output, and search for this sentinel string.
>
>I must admit that apart from easy debugging, this feature would hardly
>serve any other practical purpose.
--
Peter Scott
Pacific Systems Design Technologies
