Public bug reported:
1) The release of Ubuntu you are using, via 'lsb_release -rd' or System ->
About Ubuntu
Description: Ubuntu 16.04.4 LTS
Release: 16.04
2) The version of the package you are using, via 'apt-cache policy pkgname' or
by checking in Software Center
grep:
Installed: 2.25-1~16.04.1
Candidate: 2.25-1~16.04.1
Version table:
*** 2.25-1~16.04.1 500
500 http://ru.archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
100 /var/lib/dpkg/status
2.24-1 500
500 http://ru.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
3) What you expected to happen
(echo 123; echo; ) | grep -P '^$'
$ # output contains one empty line
$ (echo 123; echo;) | grep -P '^$'
$
4) What happened instead
$ # output contains no line
$ (echo 123; echo;) | grep -P '^$'
$
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: grep 2.25-1~16.04.1
ProcVersionSignature: Ubuntu 4.13.0-38.43~16.04.1-generic 4.13.16
Uname: Linux 4.13.0-38-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.16
Architecture: amd64
CurrentDesktop: Unity
Date: Tue May 8 18:49:45 2018
InstallationDate: Installed on 2018-02-13 (83 days ago)
InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
SourcePackage: grep
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: grep (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to grep in Ubuntu.
https://bugs.launchpad.net/bugs/1769941
Title:
grep fails to match an empty line using perl regexp if it's the last
line in a file
Status in grep package in Ubuntu:
New
Bug description:
1) The release of Ubuntu you are using, via 'lsb_release -rd' or System ->
About Ubuntu
Description: Ubuntu 16.04.4 LTS
Release: 16.04
2) The version of the package you are using, via 'apt-cache policy pkgname'
or by checking in Software Center
grep:
Installed: 2.25-1~16.04.1
Candidate: 2.25-1~16.04.1
Version table:
*** 2.25-1~16.04.1 500
500 http://ru.archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
100 /var/lib/dpkg/status
2.24-1 500
500 http://ru.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
3) What you expected to happen
(echo 123; echo; ) | grep -P '^$'
$ # output contains one empty line
$ (echo 123; echo;) | grep -P '^$'
$
4) What happened instead
$ # output contains no line
$ (echo 123; echo;) | grep -P '^$'
$
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: grep 2.25-1~16.04.1
ProcVersionSignature: Ubuntu 4.13.0-38.43~16.04.1-generic 4.13.16
Uname: Linux 4.13.0-38-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.16
Architecture: amd64
CurrentDesktop: Unity
Date: Tue May 8 18:49:45 2018
InstallationDate: Installed on 2018-02-13 (83 days ago)
InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64
(20170801)
SourcePackage: grep
UpgradeStatus: No upgrade log present (probably fresh install)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/grep/+bug/1769941/+subscriptions
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