Takes a unpacked ISY994 backup and scans it for odd Device Links. Requires Linux or OSX

screen-rec.sh

#!/bin/bash

# 1 = Filename
# 2 = Record (starting from 0)
function getrecord()
{
	BASE=$((180 + $2 * 8))
	hexdump -v -s $BASE -n 8 -e '8/1 "%02x " "\n"' $1
}

# 1 = Device Id (XX XX XX)
function finddev()
{
	DEVID="$(echo "$1" | tr '[:lower:]' '[:upper:]')"
	for D in *.UND; do
		ID="$(hexdump -v -s 11 -n 8 -e '"%c"' $D)"
		if [ "$ID" = "$DEVID" ]; then
			hexdump -v -s 31 -n 31 -e '"%c"' $D
			return
		fi
	done
	echo "NOT FOUND -$DEVID-"
}

FILE=$1
HIDE=$2
HIDE=${HIDE:=false}

I=0
TYPE=""
DEV="$(finddev "${1:0:2} ${1:2:2} ${1:4:2}")"
while [ "$TYPE" != "00" ]; do
	REC=$(getrecord $FILE $I)
	TYPE="${REC:0:2}"
	case "$TYPE" in
		e2|a2|22|02|00)
			if ! $HIDE ; then
				printf "%02d: %s - OK\n" $I "$REC"
			fi
			;;
		*)
			TRANSLATE=$(finddev "${REC:6:8}")
			printf "%02d: %s - UNKNOWN "%s" -> "%s" (%s)\n" $I "$REC" "$DEV" "$TRANSLATE" "$FILE"
			;;
	esac
	I=$(($I+1))
done