#! /bin/sh -x
    /sbin/rmmod ds9490
    MATCH="no"
    if [ "$1" != "" ]; then
        if [ -f /proc/$1 ]; then
            chgrp owfs /proc/$1 && chmod g+rw /proc/$1 && logger ow udev: group set to owfs and permission g+rw on /proc/$1
            MATCH="yes"
        fi

        if [ -e /dev/$1 ]; then
            chgrp owfs /dev/$1 && chmod g+rw /dev/$1 && logger ow udev: group set to owfs and permission g+rw on /dev/$1
            MATCH="yes"
        fi
    fi

    if [ "$MATCH" = "no" ]; then
        echo ow udev: no device file found for "$1"
        logger ow udev: no device file found for "$1"
    fi