otfmerge(1) on Linux
The text 38a948b1e397, as Debian 7 (Wheezy) shipped it.
otfmerge
Flags it lists
-
--help -
--long -
--snaps -
--stats -
-V -
-f -
-h -
-n -
-o -
-p -
-rb -
-wb -
-z