opts2

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

#!/bin/bash
# Program: opts2
# Using getopts -- Second try --

while getopts xy options 2> /dev/null
do
	case $options in
	x) echo "you entered -x as an option";;
	y) echo "you entered -y as an option";;
	\?) echo "Only -x and -y are valid options"  1>&2;;
	esac
done