filter1d(1gmt) on Linux
The text 2fad71ee5f67, as Debian 4.0 (Etch) shipped it.
Time domain filtering of 1-D time series
Flags it lists
-
-D -
-E -
-F -
-H -
-I -
-L -
-N -
-Q -
-S -
-T -
-V -
-bi -
-bo -
-f