Re: how to test if an element belongs to an array or hash

biomahui@xxxxxxxxx wrote:

>
> A new question related:
>
> if I created a hash, $set{$a}{$b}=1, I can get the keys of $b for a
> given $a, using "keys %{$set{$a}}";
>
> My question is, Is there any function that can test the existence of an
> element belongs to $b for a given $a?
> Thanks!


I think you mean this:-

if (exists $set{'fruit'}{'pear'}) {
print "Pear is a fruit\n";
}
else {
print "Pear in not a fruit\n";
}

If not, please clarify.


--
Brian Wakem


.

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