plan9port

commit 29cfa3856775fb8ac5a0d0f3871852d83dfc4af6
parent 3270dcf06cc423e21a4b4739dced131115716f2d
Author: rsc <devnull@localhost>
Date:   Thu,  3 May 2007 22:26:51 +0000

add gnu grep -q flag (rob pike)

Diffstat:
M
src/cmd/grep/main.c
 | 
6
+++++-

1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/src/cmd/grep/main.c b/src/cmd/grep/main.c
@@ -1,7 +1,7 @@
 #define	EXTERN
 #include	"grep.h"
 
-char *validflags = "bchiLlnsv";
+char *validflags = "bchiLlnsqv";
 void
 usage(void)
 {
@@ -21,6 +21,10 @@ main(int argc, char *argv[])
 		flags[ARGC()]++;
 		break;
 
+	case 'q':	/* gnu grep -q means plan 9 grep -s */
+		flags['s']++;
+		break;
+
 	case 'E':	/* ignore, turns gnu grep into egrep */
 		break;