[shell]簡單的shell提示和參數指令碼

標籤：參數   提示   case   time   dash   ase   bash   bsp   寫法   

 該shell指令碼有如下點：

• bash or dash
• case語句的寫法
• 指令碼help寫法
• 參數是否為空白的寫法
• 參數

#! /bin/bashcase "$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 ;;esacif [ ! -n "$1" ]; then    echo "pls input 1st arg"    exitfiif [ ! -n "$2" ]; then    echo "pls input 2st arg"    exitfiecho "you will reset $1 with $2ms"echo 0 > /home/gpio/$1time=$[ $2 * 1000 ] echo $time > /home/gpio/$1

 

[shell]簡單的shell提示和參數指令碼