If you're going to do it more than once, use a hash. 
    my %hash;
    @hash{@array} = ();     ## or @hash{@array} = (1) x @array;
    if (exists $hash{$scalar}) {
        ## Matched.
    }

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This is an FAQ. How can I tell whether a list or array contains a certain element?

In reply to Re: Comparing Scalars and Arrays by btrott
in thread Comparing Scalars and Arrays by zdog

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