Re: How to find if a key exist in hash?

[John W. Krahn]

[EMAIL PROTECTED] wrote:
%a = (
   "a" => 1,
   "b" => 2,
   "c" => 3
);
$searchKey = "a";
print "Found $searchKey" if defined($a{$searchKey});
Try that with this hash:
my %a = (
    a => undef,
    b => undef,
    c => undef,
    );
defined() does not tell you if a key exists.
perldoc -f exists
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>