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Date: Tue, 25 Jun 2013 18:03:59 +0200
From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: [BUG REPORT]sed -e 's/[B-D]/_/g' replaces unexpected characters
Message-ID: <20130625160359.GB14459@calimero.vinschen.de>
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References: <CA+nJC97He=j-O2FZ-Y2jJhYXEJn2o2EfC1wO39+2bZ=nj1f-zA@mail.gmail.com> <20130625152356.GD11958@calimero.vinschen.de> <5F8AAC04F9616747BC4CC0E803D5907D0C37C240@MLBXv04.nih.gov>
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User-Agent: Mutt/1.5.21 (2010-09-15)

On Jun 25 15:38, Lavrentiev, Anton (NIH/NLM/NCBI) [C] wrote:
> > Your locale is zh_CN.UTF-8.  What you're expecting is only guaranteed
> > in the C locale:
> 
> I'm not quite sure it applies here.  I'm using US English Windows 7.
> 
> LANG = 'en_US.UTF-8'
> 
> I get the same result:
> 
> $ echo abcdeABCDE | sed -e 's/[B-D]/_/g'
> ab__eA___E
> 
> BUT:
> 
> $ echo abcdeABCDE | LANG=C sed 's/[B-D]/_/g'
> abcdeA___E
> 
> This is very weird, indeed.
> 
> OTOH, in Linux I have the same LANG setup, yet it does work
> correctly:
> 
> > echo $LANG
> en_US.UTF-8
> > echo abcdeABCDE | sed -e 's/[B-D]/_/g'
> abcdeA___E
> 
> I believe that an en_US UTF-8 string representation for
> "abcdeABCDE" is not any different from ASCII.

Wrong.  Try this:

  $ sort
  a
  b
  c
  d
  e
  A
  B
  C
  D
  E
  <Ctrl-D>
  a
  A
  b
  B
  c
  C
  d
  D


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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