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

<biomahui@xxxxxxxxx> wrote in comp.lang.perl.misc:
> Thanks.
>
> Another question,
> Is there a way to find the keyvals from their values without using
> iteration. For instance;
>
> $set{"apple"}="fruit";$set{"pear"}="fruit";$set{"banana"}="fruit";$set{"beef"}="meal";
>
> I need to find "apple","pear" etc from "fruit".

Not without iteration, but you can use grep to speed it up and hide it
somewhat:

my @fruitkeys = grep $set{ $_} eq 'fruit', keys %set;

Anno
.

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