On Wednesday 28 November 2007 04:14, Jeff Pang wrote:
>
> for (keys %::) {
> print "$_ -> $::{$_}\n" if /abc/;
> }
>
> __END__
>
> the output is:
> abcee -> *main::abcee
> abc -> *main::abc
>
> that's to say, when you say $f2 = \&abcee you have created an entry
> in this script's symbol table.
Correct.
> so, abcee can be anything (a hash, an
> array, a scalar, a subroutine, a handler etc).
No, it is assigning a code reference so only the *main::abcee{CODE}
slot in the symbol table will be in use.
If you had said:
use vars '*abcee';
then abcee could be anything.
John
--
use Perl;
program
fulfillment
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