#!/bin/ksh
# Program opts4
# Using getopts -- Fourth try --
alias USAGE='print "usage: opts4 [-x] filename " >&2'
while getopts :x: arguments
do
case $arguments in
x) print "$OPTARG is the name of the argument ";;
:) print "Please enter an argument after the -x option" >&2
USAGE ;;
\?) print "$OPTARG is not a valid option." >&2
USAGE;;
esac
print "$OPTIND" # The number of the next argument to be processed
done
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