Suvajit Sengupta wrote:
> Hi,
Hello,
> How can I test whether a hash is empty or not ?
> For e.g: I have reference to a hash , say $preCommand and I get
> $preCommands as {} ,
> Its an empty hash, but it exists and is also defined.
> I need to check whether the hash is empty or not.
> Does anyone has any clue ?
unless ( %$preCommands ) {
print "The hash %\$preCommands is empty.\n";
}
John
--
use Perl;
program
fulfillment
--
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
<http://learn.perl.org/> <http://learn.perl.org/first-response>
