GNU bug report logs - #41700
grep -v always exiting with 1 for empty file

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Package: grep;

Reported by: Andi Kleen <andi <at> firstfloor.org>

Date: Thu, 4 Jun 2020 04:33:01 UTC

Severity: normal

Tags: notabug

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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From: Andi Kleen <andi <at> firstfloor.org>
To: 41700 <at> debbugs.gnu.org
Subject: bug#41700: grep -v always exiting with 1 for empty file
Date: Wed, 3 Jun 2020 20:26:41 -0700

% grep --version
grep (GNU grep) 3.4
...
% echo -n > foo
% grep -v foo foo ; echo $?
1

Would expect it to exit with zero in this case, since foo is not in the
file.

When the file is one byte it works as expected:

% echo > foo
% grep -v foo foo ; echo $?

0
%
This bug report was last modified 4 years and 240 days ago.

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