Blank rows as well as blank columns are evaluated as zero. Use rmblank to remove blank rows if this is not desirable.
$ stdev -l -p2 Value Cost < inventory
Item Amount Cost Value Description
---- ------ ---- ----- -----------
1 4 50.1 rubber gloves
2 100 5.2345 500 test tubes
3 5 80 400 clamps
4 23 19 437 plates
5 99 24 2376 cleaning cloth
6 89 147 13083 bunsen burners
7 5 175 875 scales
---- ------ ---- ----- -----------
66.27 4718.19
SEE ALSO