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svn:author
V 7
git2svn
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svn:date
V 27
2021-09-22T14:08:32.259996Z
K 7
svn:log
V 585
grep: fix combination of quiet and count flag

When the quiet (-q) flag is provided, we don't expect any output.
Currently, the behavior is broken:
$ grep -cq flag util.c
1

$ grep -cs flag util.c
55

First of all, we print a number to stdout. Secondly, it just returns
0 or 1 (which is unexpected). GNU grep with c and q flags doesn't
print anything.

Reviewed by:	markj
Differential Revision:	https://reviews.freebsd.org/D31108

(cherry picked from commit 24c681a7f6d6c777221fdbd289da64ff65ad8785)

Git Hash:   42368c6b5f920cda954621c3c541bfdb754ab0c8
Git Author: oshogbo@FreeBSD.org
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