csg_fmatch(1) on Linux
The text 5648d7538ef0, as Debian 8 (Jessie) shipped it.
Part of the VOTCA package
Flags it lists
-
--cg -
--help -
--map-ignore -
--nframes -
--no-map -
--options -
--top -
--trj -
--trj-force -
-h