img2grd(1gmt) on Linux
The text b9a355595379, as Debian 8 (Jessie) shipped it.
Extract region of img in Mercator or geographic form
Flags it lists
-
-C -
-D -
-E -
-G -
-L -
-M -
-N -
-R -
-S -
-T -
-V -
-W -
-m