OpenBSD hotplugd attach script

#!/bin/sh

DEVCLASS=$1
DEVNAME=$2
MOUNTROOT="/home/psi/USB"
DEBUG=0
NAMEOFDISK=`/sbin/sysctl -n hw.disknames 2>&1 | sed -e 's/[,=]/\ /g'`

case $DEVCLASS in
2)
    # disk devices
    disklabel=`/sbin/disklabel $DEVNAME 2>&1 | \
    sed -n '/^disk: /s/^disk: //p'`
    [ $DEBUG == 1 ] && logger -i "hotplugd descovered DISKLABEL $disklabel"
    case $disklabel in
    "SCSI disk")
        slices=`/sbin/disklabel $DEVNAME 2>&1 | \
        sed -n '/^ *[abd-z]: /s/^ *\([abd-z]\):.*/\1/p'`

        for slice in ${slices}; do
            [ $DEBUG == 1 ] && logger -i "hotplugd attaching SLICE $slice of DEVICE $DEVNAME"

            for dname in ${NAMEOFDISK}; do
                #echo $dname | cut -c 5-

                if [ $dname != 'sd0:88ae7bb778fbc51a' -a $dname != 'sd1:f80f2e3ce5449068' -a $dname != 'cd0:' ]; then
                    while fsck -y /dev/$DEVNAME$slice == true ; do
                        sleep 1
                    done
                    [ ! -d $MOUNTROOT/$DEVNAME$slice ] && mkdir -p -m 1777 $MOUNTROOT/$DEVNAME$slice
                    chown -R psi $MOUNTROOT
                    mount /dev/$DEVNAME$slice $MOUNTROOT/$DEVNAME$slice
                fi
            done

        done
        ;;
    esac
    ;;
3)
    # network devices; requires hostname.$DEVNAME
    sh /etc/netstart $DEVNAME
    ;;
esac