$ wc strands/*.txt | \ > awk '{print $2, $4}' | \ > egrep -v 'total$' | \ > awk 'BEGIN{s=0};{s=s+$1};END{print s/NR}' 525.879 $ wc notes/*.txt | awk '{print $2, $4}' | egrep -v 'total$' | awk 'BEGIN{s=0};{s=s+$1};END{print s/NR}' 533.922