标签:参数 提示 case time dash ase bash bsp 写法
该shell脚本有如下点:
#! /bin/bash case "$1" in -h|--help|?) echo "Usage: 1st arg:pin name, 2st arg:reset time" echo "1st arg pin name:lte-reset,zigbee-reset" echo "2st arg reset time in ms" exit 0 ;; esac if [ ! -n "$1" ]; then echo "pls input 1st arg" exit fi if [ ! -n "$2" ]; then echo "pls input 2st arg" exit fi echo "you will reset $1 with $2ms" echo 0 > /home/gpio/$1 time=$[ $2 * 1000 ] echo $time > /home/gpio/$1
标签:参数 提示 case time dash ase bash bsp 写法
原文地址:http://www.cnblogs.com/aaronLinux/p/6893589.html