proj(1) on Linux
The text 30f7cd4f0121, as Debian 2.2 (Potato) shipped it.
forward cartographic projection filter invproj - inverse cartographic projection filter
Flags it lists
-
-E -
-I -
-S -
-V -
-b -
-i -
-o -
-r -
-s -
-t -
-v