csplit(1) on FreeBSD
The text 2a4fd4130267, as FreeBSD 7.0-RELEASE, FreeBSD 6.3-RELEASE, FreeBSD 6.2-RELEASE, FreeBSD 6.1-RELEASE, FreeBSD 6.0-RELEASE shipped it.
split files based on context
Flags it lists
-
-f -
-k -
-n -
-s