shell script option test

gistfile1.txt

#!/bin/sh
# shell script option test

a=0
b=0

while getopts ab opt
do
	case ${opt} in
		a)
			a=1 ;;
		b)
			b=1 ;;
	esac
done

if [ $a -eq 1 ] ; then
	shift
	echo option a
fi

if [ $b -eq 1 ] ; then
	shift
	echo option b
fi

if [ $a -eq 0 ] ; then
	if [ $b -eq 0 ] ; then
		echo option none
	fi
fi

echo $*