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  • 	echo "Usage: $0 <board-IP> [board-port [board-in-port]]"
    
    	echo ""
    	echo "If port is not specified, '6666' will be used"
    	[ -z "$*" ] && exit 0
    	echo ""
    	echo "ERROR: $*"
    	exit 1
    	) 1>&2
    	exit $?
    }
    
    while [ -n "$1" ] ; do
    	case $1 in
    		-h|--help) usage;;
    		--)        break;;
    		-*)        usage "Invalid option $1";;
    		*)         break;;
    	esac
    	shift
    done
    
    ip=$1
    
    board_out_port=${2:-6666}
    board_in_port=${3:-${board_out_port}}
    
    echo Board out port: ${board_out_port}
    echo Board in port: ${board_in_port}
    
    if [ -z "${ip}" ] || [ -n "$4" ] ; then
    
    	usage "Invalid number of arguments"
    fi
    
    for nc in netcat nc ; do
    
    	type ${nc} >/dev/null 2>&1 && break
    
    done
    
    trap "stty icanon echo intr ^C" 0 2 3 5 10 13 15
    echo "NOTE: the interrupt signal (normally ^C) has been remapped to ^T"
    
    stty -icanon -echo intr ^T
    
    if type ncb 2>/dev/null ; then
    	# see if ncb is in $PATH
    
    	exec ncb ${board_out_port}
    
    
    elif [ -x ${0%/*}/ncb ] ; then
    	# maybe it's in the same dir as the netconsole script
    
    	exec ${0%/*}/ncb ${board_out_port}
    
    
    else
    	# blah, just use regular netcat
    
    	while ${nc} -u -l -p ${board_out_port} < /dev/null ; do
    
    ${nc} -u ${ip} ${board_in_port}
    
    kill ${pid} 2>/dev/null