# usage: 
# sh nmbfind.sh 10.33.57.1-20
rm -f nmbout.txt && nmap -p 139 $1 | egrep "nterest|bios" | egrep -B 1 "bios" | egrep "nterest" | sed -e "s/.*(/nmblookup\ \-A\ /g" | sed -e "s/).*/\ \>\>\ nmbout\.txt/g" | sh && egrep "ooking|<20>" nmbout.txt