psed(1) on Linux
The text 6bfc15e9ecef, as Debian 7 (Wheezy) shipped it.
a stream editor
Flags it lists
-
-a -
-e -
-f -
-n
The text 6bfc15e9ecef, as Debian 7 (Wheezy) shipped it.
a stream editor
-a
-e
-f
-n