打印乘法表

打印乘法表

#!/bin/bash

for var in {1..9}
do
	for var1 in {1..9}
	do
		if [ $var1 -le $var ]
		then
			sum=$(($var*$var1))
			echo -en $var1 x  $var = $sum ' '
		else
			break
		fi
	done
	echo -e '\n'
done

运行结果