trashremove

for f in datafiles/*; do cat $f | grep "DATA" | wc -l | awk '{if ($1 < 480) {print "BAD"} else {print "GOOD"}}'; done

# remove bad files
for f in datafiles/*; do cat $f | grep "DATA" | wc -l | awk -v f=$f '{if ($1 < 480) {print "rm", f}}' | sh; done