#fsdb -R C absdiff
absdiff: 0

absdiff: 0.046953

absdiff: 0.072074

absdiff: 0.075413

absdiff: 0.094088

absdiff: 0.096602

#  | /home/johnh/BIN/DB/dbrow 
#  | /home/johnh/BIN/DB/dbcol event clock
#  | dbrowdiff clock
#  | /home/johnh/BIN/DB/dbcol absdiff
#   | dbfilealter -R C
