#h -FS size mean stddev pct_rsd
1024  1496200  284970  19.047
10240  5028600  601030  11.952
102400  4921600  309390  6.2863
#  | dbsetheader size bw
#  | /home/johnh/BIN/DB/dbmultistats size bw
#  | /home/johnh/BIN/DB/dbcol size mean stddev pct_rsd
#  | dbroweval   { _mean = sprintf("%8.0f", _mean); _stddev = sprintf("%8.0f", _stddev); }