grep "lo0 unit 0 family inet address" /var/lib/rancid/*/configs/* | grep -v 127.0.0.1 | awk '{print $9}' | cut -f1 -d/ | sort -u > ~/tmp/loops
MAX=0 HOPS=0 C=0
TOTAL=$(echo "$(cat ~/tmp/loops | wc -l)*$(cat ~/tmp/loops | wc -l)" | bc )
while read rtr1; do
 clear
 unset CMD
 echo "Progress: $( echo $C*100/$TOTAL | bc )%"
 echo Longest Trace: $MAX hops
 echo Tracing to all hosts from $rtr1
 while read rtr2; do
  CMD="$CMD; traceroute no-resolve $rtr2"
  let C=C+1
 done < tmp/loops
 HOPS=`s $rtr1 "$CMD" | tail -1 | awk '{print $1}' | grep -P "^[0-9]" | sort -nu | tail -1`
 if [[ "$HOPS" -gt "$MAX" ]]; then 
   MAX=$HOPS
   echo -en "\007"
 fi
done < tmp/loops
echo
echo "Study completed.  Network Width = $HOPS"