GNU bug report logs - #23892
grep is not "grepping" from grep-2.23-1 (archlinux) with external fixed patterns file.

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Message #13 received at 23892-done <at> debbugs.gnu.org (full text, mbox):

From: Jim Meyering <jim <at> meyering.net>
To: Pascal <patatetom <at> gmail.com>
Cc: 23892-done <at> debbugs.gnu.org
Subject: Re: bug#23892: grep is not "grepping" from grep-2.23-1 (archlinux)
 with external fixed patterns file.
Date: Mon, 4 Jul 2016 13:05:25 -0700

tags 23892 notabug
thanks

[I've re-added the bug-tracking address to record that this was not a
bug and that the issue auto-created by your email is closed. ]

On Mon, Jul 4, 2016 at 11:56 AM, Pascal <patatetom <at> gmail.com> wrote:
> that's right, with LANG=C before grep : all lines are processed :-)

Use LC_ALL=C, not LANG=C. The latter is not portable, while the former is.

> but why it was good with grep 2.22 ?

We discovered bugs -- triggered by e.g., invalid multibyte characters --
that could cause a segfault or an infinite loop that were present in 2.22,
and to fix them, we had to make grep more strict.

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