psed(1) on Linux
The text 7363a3372139, as Debian 6.0 (Squeeze) shipped it.
a stream editor
Flags it lists
-
-a -
-e -
-f -
-n
The text 7363a3372139, as Debian 6.0 (Squeeze) shipped it.
a stream editor
-a
-e
-f
-n