> After searching through the Perl Bookshelf CD, I have found that you can
> declare a global and then use local() to change that value for a block
> of code. I haven't found how to use a value from within a block of code
> outside that block of code though. Is this possible? I'm sure I just
> don't know what to search for in the bookshelf.
>
> EXAMPLE:
> ========================================
> while (my(@row) = $sth1->fetchrow_array)
> {
> my ($total) = $row[0];
> print "Total Scanned:\t $total\n";
> }
>
> print "Total:\t $total\n";
>
Essentially you need to declare the variable at the proper scope level.
So in this example, you need to declare $total outside of the loop,
my $total = 0;
For instance. For much more and a very good coverage of scoping, check out:
http://perl.plover.com/FAQs/Namespaces.html
http://danconia.org
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