switch(n) on macOS
The text 2bd19eb42b01, as Mac OS X 10.3.9, Mac OS X 10.3.8, Mac OS X 10.3.7, Mac OS X 10.3.6, Mac OS X 10.3.5, Mac OS X 10.3.4, Mac OS X 10.3.3, Mac OS X 10.3.2, Mac OS X 10.3.1, Mac OS X 10.3 shipped it.
Evaluate one of several scripts, depending on a given value
Flags it lists
-
-- -
-exact -
-glob -
-regexp