source: bootscripts-standard/clfs/init.d/setlcd@ a483775

#!/bin/bash
########################################################################
# Begin $rc_base/init.d/setlcd
#
# Description : Show IP Addresses on LCD Panel
#
# Author      : Jim Gifford - jim@linuxfromscratch.org
#
# Version     : 00.00
#
# Notes       :
#
########################################################################

. /etc/sysconfig/rc
. $rc_functions

case "$1" in
        start)
                ip addr show dev eth0 > /dev/null 2>&1
                if [ "$?" = "0" ]; then
                        IFACE1_IP="`ip addr show dev eth0 | grep inet | cut -d / -f 1 | cut -d t  -f 2 | cut -d' ' -f 2 `"
                        IFACE1="$IFACE1_IP"
                fi
                ip addr show dev eth1 > /dev/null 2>&1
                if [ "$?" = "0" ]; then
                        IFACE2_IP="`ip addr show dev eth1 | grep inet | cut -d / -f 1 | cut -d t  -f 2 | cut -d' ' -f 2 `"
                        IFACE2="$IFACE2_IP"
                fi
                if [ "$IFACE2" = "" ]; then
                        $LCD_PROG "Lan1 $IFACE1"
                else
                        $LCD_PROG "Lan1 $IFACE1" "Lan2 $IFACE2"
                fi

        ;;

        stop)
                $LCD_PROG "     " "     "
                ;;

        restart)
                ${0} stop
                sleep 1
                ${0} start
                ;;

        *)
                echo "Usage: {start|stop|restart}"
                exit 1
                ;;
esac

# End $rc_base/init.d/setlcd