Hi Lee,
On Wed, 26 Jun 2013 10:18:44 +0200
lee <l...@yun.yagibdah.de> wrote:
> Hi,
>
> the following example doesn't compile:
>
>
> use strict;
> use warnings;
>
>
> sub test {
> print $counter . "\n";
> }
>
>
> my $counter = 0;
> while($counter < 5) {
> test();
> $counter++;
> }
>
>
> It says "Global symbol "$counter" requires explicit package name ...".
> When I put the subroutine after the 'while' loop, it works just fine, so
> what's the problem?
The subroutine does not see the lexical $counter variable because it was
declared after its scope. For more information, see:
* http://www.plover.com/FAQs/Namespaces.html
Regards,
Shlomi Fish
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