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grep is screwed on Debian, Ubuntu and others ...

Cross-posted to 2 groups.

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http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=655293

I ran into this doing a simple grep job that needed to match upper
case characters, and so I started Googling.  This was only reported in January.

But the Red Hat people knew about what looks like the same bug two years ago.
Oops, they didn't share!

https://bugzilla.redhat.com/show_bug.cgi?id=583011

(So much for the spirit of collaboration in open source. My distro, my
patches, screw you!)

Watch this:

$ echo a | grep '[A-B]'
a
$ echo b | grep '[A-B]'
$ echo b | grep '[:upper:]'
$ echo B | grep '[:upper:]'
$ echo E | grep '[:upper:]'
$ echo e | grep '[:upper:]'
e

Ooops! Someone doesn't have a regression test suite, or at least not one
that is worth a damn.

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Thread

grep is screwed on Debian, Ubuntu and others ... Kaz Kylheku <kaz@kylheku.com> - 2012-05-04 01:25 +0000
  Re: grep is screwed on Debian, Ubuntu and others ... Lew Pitcher <lpitcher@teksavvy.com> - 2012-05-03 22:05 -0400
    Re: grep is screwed on Debian, Ubuntu and others ... Ed Morton <mortonspam@gmail.com> - 2012-05-03 21:32 -0500
      Re: grep is screwed on Debian, Ubuntu and others ... Kaz Kylheku <kaz@kylheku.com> - 2012-05-04 04:51 +0000
        Re: grep is screwed on Debian, Ubuntu and others ... Janis Papanagnou <janis_papanagnou@hotmail.com> - 2012-05-04 07:37 +0200
        Re: grep is screwed on Debian, Ubuntu and others ... Ed Morton <mortonspam@gmail.com> - 2012-05-04 08:33 -0500
    Re: grep is screwed on Debian, Ubuntu and others ... Kaz Kylheku <kaz@kylheku.com> - 2012-05-04 04:44 +0000
      Re: grep is screwed on Debian, Ubuntu and others ... Ed Morton <mortonspam@gmail.com> - 2012-05-04 08:47 -0500
      Re: grep is screwed on Debian, Ubuntu and others ... Ivan Shmakov <oneingray@gmail.com> - 2012-05-05 00:38 +0700
        Re: grep is screwed on Debian, Ubuntu and others ... Kaz Kylheku <kaz@kylheku.com> - 2012-05-04 17:45 +0000
          Re: grep is screwed on Debian, Ubuntu and others ... "Ed Morton" <mortonspam@gmail.com> - 2012-05-04 21:20 +0000
          character classes & regular expressions Ivan Shmakov <oneingray@gmail.com> - 2012-05-05 09:35 +0700
            Re: character classes & regular expressions Kaz Kylheku <kaz@kylheku.com> - 2012-05-05 02:42 +0000
              Re: character classes & regular expressions Ivan Shmakov <oneingray@gmail.com> - 2012-05-05 10:00 +0700
            Re: character classes & regular expressions Cydrome Leader <presence@MUNGEpanix.com> - 2012-05-06 02:31 +0000
              Re: character classes & regular expressions Ivan Shmakov <oneingray@gmail.com> - 2012-05-06 12:15 +0700
                Re: character classes & regular expressions Cydrome Leader <presence@MUNGEpanix.com> - 2012-05-06 07:47 +0000
                copyright in Russia Ivan Shmakov <oneingray@gmail.com> - 2012-05-10 19:28 +0700
      Re: grep is screwed on Debian, Ubuntu and others ... Lew Pitcher <lpitcher@teksavvy.com> - 2012-05-04 14:31 -0400
    Re: grep is screwed on Debian, Ubuntu and others ... Richard Kettlewell <rjk@greenend.org.uk> - 2012-05-04 09:12 +0100
    Re: grep is screwed on Debian, Ubuntu and others ... James Waldby <not@valid.invalid> - 2012-05-05 18:25 +0000
  Re: grep is screwed on Debian, Ubuntu and others ... Wolfram Gloger <wmglo@dent.med.uni-muenchen.de> - 2012-05-04 12:56 +0200
    Re: grep is screwed on Debian, Ubuntu and others ... Kaz Kylheku <kaz@kylheku.com> - 2012-05-04 17:47 +0000

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