splitindex(1) on Linux
The text 04179091a019, as Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.
manual page for splitindex 0.2a
Flags it lists
-
--help -
--identify -
--makeindex -
--resultis -
--suffixis -
--verbose -
--version -
-h -
-i -
-m -
-r -
-s -
-v