col(1) on FreeBSD
The text e4facaef9626, as FreeBSD 5.2.1-RELEASE, FreeBSD 5.2-RELEASE, FreeBSD 5.1-RELEASE, FreeBSD 5.0-RELEASE shipped it.
filter reverse line feeds from input
Flags it lists
-
-b -
-f -
-h -
-l -
-p -
-x