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Date:	Fri, 20 Jul 2012 10:24:52 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: Internal echo of shell beaves (sometimes) different to external echo
Message-ID:	<20120720082452.GV31055@calimero.vinschen.de>
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On Jul 20 07:08, Ralf wrote:
> Cyrille Lefevre <cyrille.lefevre-lists <at> laposte.net> writes:
> 
> > 
> > Le 19/07/2012 16:51, Ralf a écrit :
> > > Is there a way to get the right umlaut with the internal echo of the shell?
> > > Example script:
> > >
> > > export LC_ALL=de_DE
> > 
> > seems to default to iso8859-1 or something like that, let's try
> > 
> > export LC_ALL=de_DE.UTF-8
> > 
> > which should work better...
> > 
> 
> export LC_ALL=de_DE.UTF-8 gives following output:
> 
>  C:\>bash ttt.sh
>  CYGWIN_NT-6.0-WOW64 WIESWEG 1.7.15(0.260/5/3) 2012-05-09 10:25 i686 Cygwin
>  Râ–’cken
>  0000000   R 374   c   k   e   n  \r  \n
>  0000010
>  Râ–’cken
>  0000000   R 374   c   k   e   n  \n
>  0000007
>  Râ–’cken
>  0000000   R 374   c   k   e   n  \n
>  0000007

What you don't seem to see is that the codeset doesn't play any role
anymore *at this point in time*.  You already created the string
"Rücken" in ISO-8859-1 at the time you created the script and your
script will diligently create the file ttt.txt with the word Rücken in
ISO-8859-1, because that's how it's stored in the script.  Thus, it
doesn't matter what codeset you have set when running that script.

Here's an idea for you to test:

Replace

  echo "Rücken" > ttt.txt

with

  read -p "Enter: " foo
  echo "$foo" > ttt.txt

And then start your script with LANG set to, for instance, C.UTF-8, as is
the default when running an interactive Cygwin shell like bash or tcsh.
(though I would prefer to use POSIX paths rather than DOS paths:
 http://cygwin.com/cygwin-ug-net/using.html#using-pathnames)


Corinna

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

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