On Mon, 22 May 2000, Kenneth Lee wrote:
> My script has these lines in it,
>
> my %in; CGI::ReadParse(\%in);
> print scalar(%in);
> print %in;
>
> Then I run it under shell,
>
> bash$ ./myscript.pl foo=1 bar=2
>
> It gives me
>
> 0foo1bar2
>
> Can anyone explain why the "0" but not the bucket usage?
because %in is a tied hash (tied by ReadParse), nothing is ever stored
inside that hash, the tied methods use the object which is tied to it to
get/set data. so, there is no 'bucket usage', same as:
% perl -e 'print scalar %hash'
0
