opts2

来自「Advanced Bash&#8722 Scripting Guide An 」· 代码 · 共 12 行

#!/bin/sh
# 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