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grep-3.9 released [stable]

Item posted by Jim Meyering <meyering> on Sun 05 Mar 2023 04:09:34 PM UTC.

This is to announce grep-3.9, a stable release.

The NEWS below describes the two main bug fixes since 3.8.

There have been 38 commits by 4 people in the 26 weeks since 3.8.

Thanks to everyone who has contributed!
The following people contributed changes to this release:

Bruno Haible (2)
Carlo Marcelo Arenas Belón (2)
Jim Meyering (11)
Paul Eggert (23)

Jim
[on behalf of the grep maintainers]
==================================================================

Here is the GNU grep home page:
    http://gnu.org/s/grep/

For a summary of changes and contributors, see:
http://git.sv.gnu.org/gitweb/?p=grep.git;a=shortlog;h=v3.9
or run this command from a git-cloned grep directory:
git shortlog v3.8..v3.9

Here are the compressed sources:
https://ftp.gnu.org/gnu/grep/grep-3.9.tar.gz   (2.7MB)
https://ftp.gnu.org/gnu/grep/grep-3.9.tar.xz   (1.7MB)

Here are the GPG detached signatures:
https://ftp.gnu.org/gnu/grep/grep-3.9.tar.gz.sig
https://ftp.gnu.org/gnu/grep/grep-3.9.tar.xz.sig

Use a mirror for higher download bandwidth:
https://www.gnu.org/order/ftp.html

Here are the SHA1 and SHA256 checksums:

f84afbfc8d6e38e422f1f2fc458b0ccdbfaeb392 grep-3.9.tar.gz
7ZF6C+5DtxJS9cpR1IwLjQ7/kAfSpJCCbEJb9wmfWT8= grep-3.9.tar.gz
bcaa3f0c4b81ae4192c8d0a2be3571a14ea27383 grep-3.9.tar.xz
q80RQJ7iPUyvNf60IuU7ushnAUz+7TE7tfSIrKFwtZk= grep-3.9.tar.xz

Verify the base64 SHA256 checksum with cksum -a sha256 --check
from coreutils-9.2 or OpenBSD's cksum since 2007.

Use a .sig file to verify that the corresponding file (without the
.sig suffix) is intact. First, be sure to download both the .sig file
and the corresponding tarball. Then, run a command like this:

gpg --verify grep-3.9.tar.gz.sig

The signature should match the fingerprint of the following key:

pub   rsa4096/0x7FD9FCCB000BEEEE 2010-06-14 [SCEA]
        Key fingerprint = 155D 3FC5 00C8 3448 6D1E EA67 7FD9 FCCB 000B EEEE
uid                   [ unknown] Jim Meyering <jim@meyering.net>
uid                   [ unknown] Jim Meyering <meyering@fb.com>
uid                   [ unknown] Jim Meyering <meyering@gnu.org>

If that command fails because you don't have the required public key,
or that public key has expired, try the following commands to retrieve
or refresh it, and then rerun the 'gpg --verify' command.

gpg --locate-external-key jim@meyering.net

gpg --recv-keys 7FD9FCCB000BEEEE

wget -q -O- 'https://savannah.gnu.org/project/release-gpgkeys.php?group=grep&download=1' | gpg --import -

As a last resort to find the key, you can try the official GNU
keyring:

wget -q https://ftp.gnu.org/gnu/gnu-keyring.gpg
gpg --keyring gnu-keyring.gpg --verify grep-3.9.tar.gz.sig

This release was bootstrapped with the following tools:
Autoconf 2.72a.65-d081
Automake 1.16i
Gnulib v0.1-5861-g2ba7c75ed1

NEWS

* Noteworthy changes in release 3.9 (2023-03-05) [stable]

** Bug fixes

With -P, some non-ASCII UTF8 characters were not recognized as
word-constituent due to our omission of the PCRE2_UCP flag. E.g.,
given f(){ echo Perú|LC_ALL=en_US.UTF-8 grep -Po "$1"; } and
this command, echo $(f 'r\w'):$(f '.\b'), before it would print ":r".
After the fix, it prints the correct results: "rú:ú".

When given multiple patterns the last of which has a back-reference,
grep no longer sometimes mistakenly matches lines in some cases.
[Bug#36148#13 introduced in grep 3.4]