Nils-Anders Persson wrote:
> Hello,
>
> I've seen many discussions regarding the use of "use strict".
>
> What i wonder is why is it so bad using global variables?
>
It's not. It's bad to use global variables /all the time/, even if
you don't need them. Most variables are only in use for short
sections of code, and using the same global variable everywhere
you have, say,
for ($i = 0; $i < $len; ++$i) {
:
}
will get very confusing and lead to awkward-to-find bugs.
>
> And another question how do you define constants in perl?
use constant MEANING_OF_LIFE => 42;
HTH,
Rob
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