On 2016/10/14 at 14:33, Dave Young wrote:
> +# $1: order of pages
> +order_to_pages()
> +{
> + local pages=1
> + local order=$1
> +
> + while [[ $order != 0 ]]; do
> + order=$((order-1))
> + pages=$(($pages*2))
> + done
> +
> + echo $pages
> +}
For bash we can use $((2 ** $order)) to get the number..
Indeed, will do.
Regards,
Xunlei