llanlianggui的博客

/# cat test#!/bin/sh#set -xwhile getopts ":a:b:c" opt;do case $opt in a) echo "a option $OPTARG" ;; b) echo "b option $OPTARG" .

1. 反转文件内容如文件内如如下： test.txtabc输入如下命令后： cat test.txt|sed '1!G;h;$!d', 输出如下：cba

{ "guest_vlan": "1", "g_device": "wifi1", "a_device": "wifi0", "atf_enable": "0", "thermal_analytics": "1", "g_support_mode": "573.5Mbps", "a_support_mode": "1.201Gbps", "athinfo": [ { "radio": "2.4G"...

因为openwrt不支持bc，obase，$(2#0xff)等命令（系统被裁减等原因），所以需要手动去把2进制转换成16进制，shell code如下：#!/bin/sha="00010010001101000101011001111000"start=1end=4debug_level="0x"for i in `seq 1 8`;do echo "***i:$i****" b=`echo $a|cut -c $start-$end` b1=`echo $b|cut -c 1

set todate=%date:~5,2%%date:~8,2%set pre=pingbaseset "filename=%pre%%todate%.txt"@echo off:secho %date% >> %filename%echo %time% >> %filename%ping -n 2 192.168.1.4  >> %filename%TIME...

用于复制文件夹内内容到自定义的目录，主要用于复制模板目录set filename=%date:~0,4%%date:~5,2%%date:~8,2%  %提取date中数据为：2018/04/12 --> 20180412%set filename="%filename%-xxxxxxxx-by"  %为目录名字添加一些其他字符%md E:\02\2-O\%filename%        ...