ref: 8473218f50acee069c5b4c08c5e31e91d30d9c0b
parent: 77c566ef9abe8df441f7c6a5e53626f0e7cb22fa
author: Alex Musolino <alex@musolino.id.au>
date: Thu Mar 26 14:24:39 EDT 2020
grep: fix handling of -b flag Output buffering is automatically disabled when reading from stdin. In this case, supplying the -b flag ought to be redundant. However, since Bflag was being XORed into the flag set - rather than simply ORed - supplying -b would actually enable output buffering.
--- a/sys/src/cmd/grep/main.c
+++ b/sys/src/cmd/grep/main.c
@@ -91,7 +91,7 @@
}
if(flags['b'])
- flag ^= Bflag; /* dont buffer output */
+ flag |= Bflag; /* dont buffer output */
if(flags['c'])
flag |= Cflag; /* count */
if(flags['h'])
--
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