festival_client(1) on Linux
The text daf7b74795b4, as Debian 3.0 (Woody), Debian 2.2 (Potato) shipped it.
client access to festiva; text-to-speech server mode
Flags it lists
-
--async -
--aucommand -
--output -
--passwd -
--prolog -
--server -
--tts_mode -
--ttw -
--withlisp