linux bash shell 在控制台打印 8格棋盘的方法

#!/bin/bash

for ((i=1;i<=8;i++))
do
	for ((j=1;j<=8;j++))
	do
		let "total=($i+$j)"
		let "tmp=$total%2"
		if [ $tmp -eq 0 ]
		then
			echo -e -n "3[47m  "
		else
			echo -e -n "3[40m  "
		fi
	done
	echo -e "\e[0m"
done
echo -n -e "\e[0m"#!/bin/bash

for ((i=1;i<=8;i++))
do
	for ((j=1