linux-tutorial/codes/shell/示例脚本/输入和输出/使用getopts.sh

#!/bin/bash

# simple demonstration of the getopts command

while getopts :ab:c opt
do
    case "$opt" in
        a) echo "Found the -a option" ;;
        b) echo "Found the -b option, with value $OPTARG" ;;
        c) echo "Found the -c option" ;;
        *) echo "Unknown option:$opt" ;;
    esac
done