sed(1) on OpenBSD
The text 8d3caa2c5e5b, as OpenBSD 2.5 shipped it.
stream editor
Flags it lists
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-a -
-e -
-f -
-n
The text 8d3caa2c5e5b, as OpenBSD 2.5 shipped it.
stream editor
-a
-e
-f
-n