linux chess board script .md (including script comments, see more intuitive)

linux chess board script .md (including script comments, see more intuitive)

final effect:

Topic : scripting, to achieve print chess board

Path :( only Author) PDF: D: \ Download_SD- Date and Bak (D disk download) \ learning materials \ pdf file \ basics \ 15SHELL advanced scripting .pdf

15SHELL Advanced Scripting .pdf

5, scripting, to achieve print chess board

Video :( only Author) 17, 18 days

​

See :( logic code comments)

1 cycle [for done] lattice depth.

2, the second layer is simplified nested loop [for done].

3, the command is determined [if else] reference, to achieve the first and second rows alternating grid

Outline summary :() ------- first stage (row) >>> loop (columns) two cycles of the second stage of the cycle comprises >>> (if else) Analyzing two two cycles

View Script command :()

[root@c7_uscwifi_cn ~]# cat chess.sh

cat chess.sh

Script Content:

#!/bin/bash
#
#********************************************************************
#Author:        quansen
#QQ:            1955346284
#Date:          2019-08-25
#FileName：      chess.sh 国际象棋
#URL:           http://www.uscwifi.cn
#Description：       The test script
#Copyright (C):     2019 All rights reserved
#********************************************************************

#背景为 浅色 的空格 *2
YELLO_BACKGROUND_SPACE_x2='\033[0;43m  \033[0m'
#背景为 绿色 的空格 *2
GREEN_BACKGROUND_SPACE_x2='\033[0;42m  \033[0m'
#简化变量名
Y_BG_S_x_0=${YELLO_BACKGROUND_SPACE_x2}
G_BG_S_x_0=${GREEN_BACKGROUND_SPACE_x2}

#第一层for 循环 8次 $i（行）；做
for i in {1..8};do
    #如果 $i 行数为奇数（除以二，余数为1）；就
    if [ $[${i}%2] -eq 1 ];then
    {
        #第二层循环1 $j（列） 4列；做
        for j in {1..4};do
        #打印变量 浅色空格X2 
        echo -en "${Y_BG_S_x_0}"
        #打印变量 绿色空格X2 
        echo -en "${G_BG_S_x_0}"
    done
    }
    #如果不是（if判断），那么 （如果不是奇数 ，是偶数，那么）
    else
    {   #第二层循环2 循环循环 $j（列） 4列；做
        for j in {1..4};do
        #打印变量 绿色空格X2 
        echo -en "${G_BG_S_x_0}"
        #打印变量 浅色空格X2
        echo -en "${Y_BG_S_x_0}"
    done
    }
    fi
    echo
done

#打印作者 联系方式
echo -e "
    #*******************************#
    #               #
    #Author:            *#
    #   \033[1;32mquansen\033[0m        #*
    #               *#
    #QQ:    599503255;\033[1;32m1955346284\033[0m   #*
    #               #
    #*******************************#
"