blockmean(1) on Linux
The text 77924eacf04b, as Debian 2.2 (Potato) shipped it.
filter to block average (x,y,z) data by L2 norm
Flags it lists
-
-: -
-H -
-I -
-N -
-R -
-S -
-V -
-W -
-bi -
-bo