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From: "Lavrentiev, Anton (NIH/NLM/NCBI) [C]" <lavr AT ncbi DOT nlm DOT nih DOT gov>
To: "cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject: RE: [BUG REPORT]sed -e 's/[B-D]/_/g' replaces unexpected characters
Date: Tue, 25 Jun 2013 15:38:19 +0000
Message-ID: <5F8AAC04F9616747BC4CC0E803D5907D0C37C240@MLBXv04.nih.gov>
References: <CA+nJC97He=j-O2FZ-Y2jJhYXEJn2o2EfC1wO39+2bZ=nj1f-zA AT mail DOT gmail DOT com> <20130625152356 DOT GD11958 AT calimero DOT vinschen DOT de>
In-Reply-To: <20130625152356.GD11958@calimero.vinschen.de>
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> 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.

Anton Lavrentiev
Contractor NIH/NLM/NCBI