b64decode(1) on FreeBSD
The text 37e5a6b18a6f, as FreeBSD 4.11-RELEASE, FreeBSD 4.10-RELEASE, FreeBSD 4.9-RELEASE shipped it.
encode/decode a binary file
Flags it lists
-
-c -
-i -
-m -
-o -
-p -
-r -
-s