An article on medium.com highlighted that grep
authordaniel <daniel@openbsd.org>
Tue, 13 Jan 2015 04:45:34 +0000 (04:45 +0000)
committerdaniel <daniel@openbsd.org>
Tue, 13 Jan 2015 04:45:34 +0000 (04:45 +0000)
commit69112ad91b4ec4aa23fbe139a09d693007a97220
tree7f050ba2be211b2a6408e8748a53669a30869c9c
parent83e49dc59aa8f0fdae3f625755ecf56a6419ee51
An article on medium.com highlighted that grep
was available in v4.

To quote Ken Thompson, grep appeared "sometime
before the 4th edition."

ok schwarze@
usr.bin/grep/grep.1