[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[Mathew Hodson]

** Tags added: testcase

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed
Status in grep package in Debian:
  Fix Released

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
    $ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
    binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quite a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  This worked as expected before the upgrade from 15.04 and 15.10.

  This is a HUGE issue that makes it impossible to do everyday
  developing work.

  Until you fix it, please roll back grep to the previous version,
  because it is unusable.

  Thanks for your attention

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[Mathew Hodson]

** Description changed:

  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).
  
  I often use grep recursively, like this:
    $ grep -R somepattern *
  
  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
    binary file whatever.php matches
  
  Just to be clear: in one invocation of grep -R, I get mixed output with
- a lot of matches shown in the expected way and quit e a few matches
- shown in the wrong way, even though ALL matching files are text files.
+ a lot of matches shown in the expected way and quite a few matches shown
+ in the wrong way, even though ALL matching files are text files.
  
  This worked as expected before the upgrade from 15.04 and 15.10.
  
  This is a HUGE issue that makes it impossible to do everyday developing
  work.
  
  Until you fix it, please roll back grep to the previous version, because
  it is unusable.
  
- Thanks for your attention 
+ Thanks for your attention
  
  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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https://bugs.launchpad.net/bugs/1535458

Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed
Status in grep package in Debian:
  Fix Released

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
    $ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
    binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quite a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  This worked as expected before the upgrade from 15.04 and 15.10.

  This is a HUGE issue that makes it impossible to do everyday
  developing work.

  Until you fix it, please roll back grep to the previous version,
  because it is unusable.

  Thanks for your attention

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[Alberto Salvia Novella]

** Description changed:

  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).
  
  I often use grep recursively, like this:
-   $ grep -R somepattern *
+   $ grep -R somepattern *
  
  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
-   binary file whatever.php matches
+   binary file whatever.php matches
  
  Just to be clear: in one invocation of grep -R, I get mixed output with
  a lot of matches shown in the expected way and quit e a few matches
  shown in the wrong way, even though ALL matching files are text files.
  
- 
  This worked as expected before the upgrade from 15.04 and 15.10.
  
+ This is a HUGE issue that makes it impossible to do everyday developing
+ work.
  
- This is a HUGE issue that makes it impossible to do everyday developing work.
+ Until you fix it, please roll back grep to the previous version, because
+ it is unusable.
  
- 
- Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.
+ Thanks for your attention 
  
  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed
Status in grep package in Debian:
  Fix Released

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
    $ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
    binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  This worked as expected before the upgrade from 15.04 and 15.10.

  This is a HUGE issue that makes it impossible to do everyday
  developing work.

  Until you fix it, please roll back grep to the previous version,
  because it is unusable.

  Thanks for your attention 

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[Mathew Hodson]

I am running a Trusty system with grep/2.16-1 and the problem doesn't
show up there.

I manually installed grep/2.25-1~16.04.1 and grep/2.25-3 to them with
the test case in Debian #799956, and they both exhibit the same issue as
in the Debian bug.

It does seem that it either regressed again or it wasn't completely
fixed the first time.

** Tags added: xenial yakkety

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed
Status in grep package in Debian:
  Fix Released

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[Martin Pitt]

> Yeah, a wrong one because it has a bug. Which by the way appears to be
fixed upstream.

... and apparently regressed again in 2.24 or 2.25..

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed
Status in grep package in Debian:
  Fix Released

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[teo1978]

> I see, so I should use the "C" locale, 
> as that commonly means "I don't care about the encoding".

That is JUST A WORKAROUND that seems to work, but that shouldn't be
needed. This is NOT the expected behavior.

> I understand that grep works in another way now.

Yeah, a wrong one because it has a bug. Which by the way appears to be fixed 
upstream.
 

Note that grepping an ISO-8859-file (containing non-ascii characters)
with an UTF-8 locale will usually *but not always* reproduce the issue,
so the behavior is not even consistent or predictable.

> one could say that it is more picky, but one could also consider this
an improvement,

NOPE NOPE NOPE


> that the file warns, that the file is somehow 'non-standard'

If the intent was to warn about something, the program would print a
warning (and then do its job correctly). Treating the file as BINARY,
when it is not, is not a sane way to "warn" about anything.

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed
Status in grep package in Debian:
  Fix Released

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[sudodus]

I see, so I should use the "C" locale, as that commonly means "I don't
care about the encoding".

Thank you for this information :-)

ps/ The 'real' file was not broken, I made this test file with two
encodings on purpose for testing. The real file was encoded as
iso8859-1, while the default Swedish locale is sv_SE.UTF-8.

I understand that grep works in another way now. one could say that it
is more picky, but one could also consider this an improvement, that the
file warns, that the file is somehow 'non-standard' /ds

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed
Status in grep package in Debian:
  Fix Released

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[Martin Pitt]

grep 2.25 only stopped treating files as binary under the "C" locale, as
that commonly means "I don't care about the encoding". AFAIK the
behaviour did not change if you call it under a proper locale such as
sv_SE.UTF-8. If you look at the file when it's encoded in a proper
locale, it works:

$ iconv -f iso8859-1 -t utf8 /tmp/seen-binary-by-grep.txt 
vMgsingen lösning - the Swedish character o-umlaut
osmak   ingen lösning
smaklösningen - the solution

(Note that the file is broken -- the first two non-ASCII ö characters
are encoded in ISO-8859-1, and the last one is UTF-8).

And as described above, binary detection also is disabled under C:

$ LC_CTYPE=C grep ning /tmp/seen-binary-by-grep.txt 
vMgsingen l�sning - the Swedish character o-umlaut
osmak   ingen l�sning
smaklösningen - the solution


So this is indeed not the same bug as bug 1547466, I retitled that one to 
clarify. It's much closer to http://debbugs.gnu.org/cgi/bugreport.cgi?bug=19985.

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed
Status in grep package in Debian:
  Fix Released

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[sudodus]

No I still have problems with a file with Swedish characters. In a live
Ubuntu 16.04 LTS I installed grep version 2.25-1~16.04.1, but it did not
help, as you can see from the following dialogue in a terminal window.

ubuntu@ubuntu:~$ apt-cache policy grep
grep:
  Installerad: 2.25-1~16.04.1
  Kandidat:2.25-1~16.04.1
  Versionstabell:
 *** 2.25-1~16.04.1 500
500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
100 /var/lib/dpkg/status
 2.24-1 500
500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages
ubuntu@ubuntu:~$ grep ning seen-binary-by-grep.txt 
Binary file seen-binary-by-grep.txt matches
ubuntu@ubuntu:~$ grep -a ning seen-binary-by-grep.txt 
vMgsingen l�sning - the Swedish character o-umlaut
osmak   ingen l�sning
smaklösningen - the solution
ubuntu@ubuntu:~$ tail -n1 seen-binary-by-grep.txt |grep ning
smaklösningen - the solution
ubuntu@ubuntu:~$ tail -n2 seen-binary-by-grep.txt |grep ning
Binary file (standard input) matches
ubuntu@ubuntu:~$ tail -n2 seen-binary-by-grep.txt |grep -a ning
osmak   ingen l�sning
smaklösningen - the solution
ubuntu@ubuntu:~$ 

-o-

This works with older versions of grub, so I would call it a regression.

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed
Status in grep package in Debian:
  Fix Released

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[sudodus]

nio@xenial32 ~ $ grep -V
grep (GNU grep) 2.24
Copyright © 2016 Free Software Foundation, Inc.
Licens GPLv3+: GNU GPL version 3 eller senare 
Det här är fri programvara: du får ändra och distribuera den.
Det finns INGEN GARANTI, så långt som tillåts enligt lag.

Skriven av Mike Haertel och andra, se 
.
nio@xenial32 ~ $ apt-cache policy grep
grep:
  Installerad: 2.24-1
  Kandidat:2.24-1
  Versionstabell:
 *** 2.24-1 500
500 http://se.archive.ubuntu.com/ubuntu xenial/main i386 Packages
100 /var/lib/dpkg/status
nio@xenial32 ~ $ 

How can I get grep 2.25-1~16.04.1 without messing up my system? Maybe I
test it in a separate system, not my production system.

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed
Status in grep package in Debian:
  Fix Released

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[Mathew Hodson]

sudodus, what version of grep are you using? grep 2.25-1~16.04.1 was
released in bug 1547466 and it may fix your issue.

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed
Status in grep package in Debian:
  Fix Released

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[teo1978]

** Changed in: grep (Ubuntu)
   Status: Fix Committed => Confirmed

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed
Status in grep package in Debian:
  Fix Released

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[Bug Watch Updater]

** Changed in: grep (Debian)
   Status: Unknown => Fix Released

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Fix Committed
Status in grep package in Debian:
  Fix Released

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[sudodus]

Adding to the previous post: This bug does affect Xenial alias 16.04
LTS, at least with typical text files, that contain characters, that
belong to my country's standard characters, but are not part of the
English standard characters.

I think grep should not be sensitive to such characters, and draw the
conclusion, that it is a binary file.

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Fix Committed
Status in grep package in Debian:
  Unknown

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[sudodus]

No, it *should not*, but it *does*, at least for me in an updated &
dist-upgraded 32-bit version (up to date today).

Using the attached file:

nio@xenial32 ~ $ cat seen-binary-by-grep.txt 
vMgsingen l�sning - the Swedish character o-umlaut
osmak   ingen l�sning
smaklösningen - the solution
nio@xenial32 ~ $ grep ning seen-binary-by-grep.txt
Binär fil seen-binary-by-grep.txt matchar
nio@xenial32 ~ $ grep -a ning seen-binary-by-grep.txt
vMgsingen l�sning - the Swedish character o-umlaut
osmak   ingen l�sning
smaklösningen - the solution
nio@xenial32 ~ $ tail -n1 seen-binary-by-grep.txt|grep ning
smaklösningen - the solution
nio@xenial32 ~ $ head -n2 seen-binary-by-grep.txt|grep ning
Binär fil (standard in) matchar
nio@xenial32 ~ $ head -n2 seen-binary-by-grep.txt|grep -a ning
vMgsingen l�sning - the Swedish character o-umlaut
osmak   ingen l�sning
nio@xenial32 ~ $ 


** Attachment added: "seen-binary-by-grep.txt"
   
https://bugs.launchpad.net/ubuntu/+source/grep/+bug/1535458/+attachment/4679678/+files/seen-binary-by-grep.txt

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Fix Committed
Status in grep package in Debian:
  Unknown

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[teo1978]

But it definitely affects Wily

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Fix Committed
Status in grep package in Debian:
  Unknown

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[teo1978]

And again, I don't think this is the same as bug 1547466 at all, as per
comment
https://bugs.launchpad.net/ubuntu/+source/grep/+bug/1547466/comments/19

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Fix Committed
Status in grep package in Debian:
  Unknown

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[Mathew Hodson]

** Changed in: grep (Ubuntu)
   Status: Confirmed => Fix Committed

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Fix Committed
Status in grep package in Debian:
  Unknown

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[Mathew Hodson]

I don't think this particular bug should affect Xenial. The Debian bug
says this was fixed in grep/2.23-1

The related issue in Xenial should be fixed by bug 1547466

** Tags added: regression-release

** Also affects: grep (Debian) via
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=799956
   Importance: Unknown
   Status: Unknown

** Tags removed: xenial

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Fix Committed
Status in grep package in Debian:
  Unknown

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[teo1978]

Sorry, not sure what you mean exactly by "affecting a release".

This issue appeared at some point on wily (with some update, NOT at
dist-upgrade) and I wonder how it could be ignored for so long, when it
was first reported AND after it turned out that it had wrongly be marked
as duplicate.

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[Alberto Salvia Novella]

@ teo

If you see that a bug is affecting a release, it is important to enter
its first name into the tag list. So I will notice it and promote it.

** Changed in: grep (Ubuntu)
   Importance: Undecided => High

** Tags added: xenial

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[teo1978]

Removed duplicate status as per
https://bugs.launchpad.net/ubuntu/+source/grep/+bug/1547466/comments/24


** This bug is no longer a duplicate of bug 1547466
   grep switches into binary mode while processing a text file

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[teo1978]

*** This bug is a duplicate of bug 1547466 ***
https://bugs.launchpad.net/bugs/1547466

(btw sorry for subscribing you to the other bug by mistake)

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[teo1978]

*** This bug is a duplicate of bug 1547466 ***
https://bugs.launchpad.net/bugs/1547466

@Brian Murray, I resubscribed you because you marked this issue as
duplicate of #1547466, I asked you if you could confirm because that
seems doubtful and you didn't reply, and now at 1535458 they say it only
affects xenial, while this one I am observing on wily.

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[teo1978]

*** This bug is a duplicate of bug 1547466 ***
https://bugs.launchpad.net/bugs/1547466

However,

$  LANG=C.UTF-8 grep somestring some_iso8859_file.txt# reproduces the issue 
("binary file matches")
$  LANG=C grep somestring some_iso8859_file.txt# expected 
(text) output

$  LANG=C.UTF-8 grep somestring some_utf8_file.txt  # expected (text) 
output
$  LANG=C grep somestring some_utf8_file.txt  # expected 
(text) output

I don't know if this is consistent with issue 1547466

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[teo1978]

*** This bug is a duplicate of bug 1547466 ***
https://bugs.launchpad.net/bugs/1547466

Are you sure this is the same as 1547466 ??

1547466 describes mode switching to binary in the middle of the file.

What I observe  is that some text files are treated as binary. I never
get an output like the one described in 1547466, where you get some
matches as expected and then the output gets interrupted in the middle
of the file with the phrase "binary file xxx matches". I always get
either the expected text-mode output for the whole file or only the
"binary match" phrase. The same files always produce the same output,
consistently.

To me this looks a lot like https://bugs.debian.org/cgi-
bin/bugreport.cgi?bug=799956 and not much like issue 1547466.

Every single file that exhibits the issue that I have examined is ISO-8859-15. 
I have only looked at a few randomly. And a few that don't exhibit the issue 
which I have looked at randomly are all UTF-8. (to look at it I use Gedit and 
do a Save As; the encoding the file is in is, or is supposed to be, selected by 
default).
However, I have created an ISO-8859-15 file from scratch from Gedit and it does 
not reproduce the issue.

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[Brian Murray]

*** This bug is a duplicate of bug 1547466 ***
https://bugs.launchpad.net/bugs/1547466

** This bug has been marked a duplicate of bug 1547466
   grep switches into binary mode while processing a text file

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[Brian Murray]

Actually, the following bug seems more likely the cause of the problem.

https://debbugs.gnu.org/cgi/bugreport.cgi?bug=22838

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[teo1978]

Yep, looks like it's that one.
So it's fixed upstream. Will it take long to land on Ubuntu?
Otherwise, an update rolling back to grep version previous to the regression 
(which appears to be known) should be urgently released in the meanwhile. This 
is a pretty critical bug.

It's astonishing how poor Ubuntu's QA is.

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https://bugs.launchpad.net/bugs/1535458

Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[Brian Murray]

Is this perhaps related to the following debian bug?

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=799956

** Bug watch added: Debian Bug tracker #799956
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=799956

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[php4fan]

For god's sake, this regression is HUGE.
It makes the life of any developer a hell and it's been MONTHS.

Can't you at least release an update rollinb back to a non-broken
version until this is fixed??

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https://bugs.launchpad.net/bugs/1535458

Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

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[Touch-packages] [Bug 1535458] Re: [15.10 REGRESSION] Randomly wrongly detects files as binary

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: grep (Ubuntu)
   Status: New => Confirmed

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Title:
  [15.10 REGRESSION] Randomly wrongly detects files as binary

Status in grep package in Ubuntu:
  Confirmed

Bug description:
  I have a folder with a bunch of subfolder and several hundred or
  thousands files, most of them PHP files (obviously text).

  I often use grep recursively, like this:
$ grep -R somepattern *

  Since the upgrade from 15.04 to 15.10, it often happens that a lot of text 
files are wrongly treated as binary. That means that, when a match is found, 
instead of getting the normal output which would show the file name and the 
matching line (with the matching substring highlighted), I get the bogus 
message:
binary file whatever.php matches

  Just to be clear: in one invocation of grep -R, I get mixed output
  with a lot of matches shown in the expected way and quit e a few
  matches shown in the wrong way, even though ALL matching files are
  text files.

  
  This worked as expected before the upgrade from 15.04 and 15.10.

  
  This is a HUGE issue that makes it impossible to do everyday developing work.

  
  Until you fix it, please f***ing roll back grep to the previous version, 
because this sh** is unusable.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: grep 2.21-2
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Jan 18 22:43:51 2016
  InstallationDate: Installed on 2013-10-11 (829 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  SourcePackage: grep
  UpgradeStatus: Upgraded to wily on 2016-01-18 (0 days ago)

To manage notifications about this bug go to:
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