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Re: zgrep man page improvement

From: Paul Eggert
Subject: Re: zgrep man page improvement
Date: Tue, 11 Jun 2013 19:45:50 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130510 Thunderbird/17.0.6

Thanks, I applied this somewhat-different patch instead:

>From a4097fdd12999f69a53ea09d170447f3896d5e12 Mon Sep 17 00:00:00 2001
From: Paul Eggert <address@hidden>
Date: Tue, 11 Jun 2013 19:43:21 -0700
Subject: [PATCH] doc: zgrep exit status, unsupported options

* zgrep.1 (EXIT STATUS, BUGS): New sections.
Problem reported by Bdale Garbee in
 zgrep.1 | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/zgrep.1 b/zgrep.1
index ef37bd8..dfcf21e 100644
--- a/zgrep.1
+++ b/zgrep.1
@@ -23,6 +23,28 @@ If the GREP environment variable is set,
 uses it as the
 .I grep
 program to be invoked.
+Exit status is 0 for a match, 1 for no matches, and 2 if trouble.
+The following
+.I grep
+options are not supported:
+.B --dereference-recursive
+.RB ( \-R ),
+.B --directories
+.RB ( \-d ),
+.BR --exclude ,
+.BR --exclude-from ,
+.BR --exclude-dir ,
+.BR --include ,
+.B --null
+.RB ( \-Z ),
+.B --null-data
+.RB ( \-z ),
+.B --recursive
+.RB ( \-r ).
 Charles Levert (address@hidden)

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