Add warning when user specifies -R but no files, like GNU grep.
authormillert <millert@openbsd.org>
Thu, 30 Apr 2015 13:49:04 +0000 (13:49 +0000)
committermillert <millert@openbsd.org>
Thu, 30 Apr 2015 13:49:04 +0000 (13:49 +0000)
commit016f3eef983cfe509272ce4b1a85864434ed308d
tree32c19fa76be74554277bd76a5e3257ab47c3907f
parent39ef54bd3c88f782799e8263a3c3a00d355071fb
Add warning when user specifies -R but no files, like GNU grep.
OK schwarze@ ian@
usr.bin/grep/grep.c