perlindex(1p) on Linux
The text 1cfc3807a43d, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
index and query perl manual pages
Flags it lists
-
-cbreak -
-conf -
-maxhits -
-menu -
-nocbreak -
-nomenu -
-verbose