Process full command line arguments

options.sh

USAGE=`printf "Usage: %s [--doa] [--textoption text] text\n  -a, --doa : Do A\n  --textoption : Store text" $(basename $0)`

# Get inputs
aflag=""
textoption=""
while test $# -gt 0; do
	case $1 in

		# Normal options
		--textoption)
			textoption="$2"
			shift
			;;
		-a|--doa)
			aflag=1
			;;

		# Help
		--help)
			echo "$USAGE"
			exit
			;;

		# Unknown options
		--*|-?)
			echo "$USAGE"
			exit 1
			;;

		# Done with options
		*)
			break
			;;
	esac
	shift
done

# Check for additional options
if [ -z "$1" -o ${#*} -ne 1 ]; then
	echo "$USAGE"
	exit 1
fi
 
# Store the text option
text="$1"
 
# Do A
if [ -z "$aflag" ]; then
	echo "Do A"
fi