shell编程--九九乘法表

九九乘法表

#!/bin/bash

for i in {1,2,3,4,5,6,7,8,9}
do
    for((j=1;j<=i;j++))
    do
        ((product=$i*$j))
        echo -ne "33[47;30m$i"x"$j=$product33[0m	"
    done
    echo
done