作業打印九九乘法表

#!/bin/bash

#filename:99

i=1

while [[ $i -le 9 ]]; do

#statements

j=1

while [[ $j -le $i ]]; do

#statements

result=`expr $j \* $i`

echo -ne "\033[38m$j\033[0m*\033[41m$i\033[0m=\033[35m$result\033[0m\t"

let j++

done

echo ""

let i++

done