Hi,
On Thursday 29 Apr 2010, Remy Guo wrote:
> I've got a problem in following script:
> sub A {
> our %a;
> $a{"fred"} = 1;
> ...
> }
> sub B {
> if ($fred != $a{"fred"}) {
> print "fred failed.\n";
> }
> if ($bella != $a{"bella"} {
> print "bella failed.\n";
> }
> }
>
> The problem is, I made the hash %a in sub A but in sub B, the value in hash
> %a is never read. The declaration "our" seems not effect.
> Why?...
Pass the hash reference as an argument while calling the function. Do remember
that you can't pass the hash to a function, but just the hash reference. Also
minimize (or even avoid) the use of declaring with "our", use argument passing
instead.
Regards,
Akhthar Parvez K
http://Tips.SysAdminGUIDE.COM
UNIX is basically a simple operating system, but you have to be a genius to
understand the simplicity - Dennie Richie
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