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=item * 'get_random_index'

This should be a code ref that accepts one argument, the number of items we have to choose from, and returns an index chosen at random (however you choose to define "random")

    sub {
        my ($length) = @_;
        return Crypt::Random::makerandom_itv( 'Lower' => 0, 'Upper' => $length, ...); 
    }

Note: The above example (w/ Strong => 0 (IE read() is not being blocked on /dev/random)) benchmarked appx 570 times as slow as the default L<rand>() based solution but its much more truly random.

=back

=back

=head2 rand_data_string()

Same args as rand_data(). The difference is that it always returns a string regardless of context.

    my $rand_str = rand_data_string( @rand_args ); # $rand_str contains the random string.