codegroup(1) on Linux
The text e95955958b6e, as Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
encode / decode binary file as five letter codegroups
Flags it lists
-
-decode -
-encode -
-usage