GNU bug report logs - #30326
grep not searching through a text file (thinking it binary)

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Package: grep;

Reported by: "L. A. Walsh" <gnu <at> tlinx.org>

Date: Fri, 2 Feb 2018 19:31:02 UTC

Severity: normal

Tags: notabug

Done: Eric Blake <eblake <at> redhat.com>

Bug is archived. No further changes may be made.

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Paul Jackson <pj <at> usa.net>, 30326 <at> debbugs.gnu.org
Subject: bug#30326: grep not searching through a text file (thinking it binary)
Date: Mon, 5 Feb 2018 15:38:47 -0800

On 02/05/2018 01:27 PM, Paul Jackson wrote:
>
> I created a large file ("/tmp/pjbb")  by concatenating:
> 1) a big plain ASCII file of C source code,
> 2) a small ELF executable, and
> 3) another big plain ASCII file of C source code.
>
> Then I grep'd in this big file for the string "pj <at> usa.net 
> <mailto:pj <at> usa.net>", which
> appeared twice in  the first file of C source code,  and once
> again in the second file of C source code.

That example contains NULs, which have indicated binary data for ages. I 
was referring to text containing encoding errors without containing 
NULs, which is what this bug report originally was about. Sorry I didn't 
make that clear.
This bug report was last modified 7 years and 84 days ago.

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