如何在Bash中打印出大量数字

Question

我尝试了bc但是如果我试图找到数字50的阶乘，它显示我1而不是30414093201713378043612608166064768844377641568960512000000000000

 read T
while ((T--)); do
    read n
    factorial=1

    for ((i = 1; i <= $n; i++)); do
        factorial=$(( i * factorial ))
    done

    echo $factorial
done

Answer 1

使用 bc 可以正常工作：

    echo "define f (x) {
                if (x <= 1) return (1);
               return (f(x-1) * x);
             }
   f(50) " | bc