calendarserver_export(8) on Linux
The text 8269ece5a141, as Debian 7 (Wheezy) shipped it.
Darwin Calendar Server Export Tool
Flags it lists
-
--collection -
--config -
--help -
--home -
--output -
--record -
--user -
-c -
-f -
-h -
-o -
-r -
-u