opts3

来自「UNIX+shell范例精解（第4版）代码」· 代码 · 共 13 行

#!/bin/bash
# Program: opts3
# Using getopts -- Third try --

while getopts dq: options
do
	case $options in
	     d) echo "-d is a valid switch ";;
	     q) echo "The argument for -q is $OPTARG";;
	     \?) echo "Usage:opts3 -dq filename ... " 1>&2;;
	esac
done