switch(n) on macOS
The text 9be2cd6144aa, as Mac OS X 10.1.5, Mac OS X 10.1.4, Mac OS X 10.1.3, Mac OS X 10.1.2, Mac OS X 10.1.1, Mac OS X 10.1, Mac OS X 10.0.4, Mac OS X 10.0 shipped it.
Evaluate one of several scripts, depending on a given value
Flags it lists
-
-- -
-exact -
-glob -
-regexp