#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
#Time-stamp: <95/06/07 07:40:40 hrue@imf.unit.no>

getop () {

    local OPTIND=1
    local OPTERR=1

    echo getop: OPTERR=$OPTERR    
    while getopts ab arg "$@"; do
	case $arg in
	    a)
		echo a here
		;;
	    b)
		echo b here
		;;
	    :|?|*)
		echo something else here
		;;
	esac
    done
    echo getop: OPTIND=$OPTIND
}

OPTIND=
OPTERR=0

echo OPTERR=$OPTERR
while getopts ab arg; do
    case $arg in
	a)
	    echo a here
	    ;;
	b)
	    echo b here
	    ;;
	:|?|*)
	    
	    echo something else here
	    ;;
    esac
done

echo OPTIND=$OPTIND

getop "$@" -d -e

echo OPTIND=$OPTIND
echo OPTERR=$OPTERR