opts2

UNIX+shell范例精解（第4版）代码

#!/bin/ksh
# Program opts2
# Using getopts -- Second try --
while getopts :xy options
do
     case $options in
     x) print "you entered -x as an option";;
     y) print "you entered -y as an option";;
     \?) print $OPTARG is not a valid option 1>&2;;
     esac
done