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From: Ralf <wiesweg AT tacos-gmbh DOT de>
Subject: Re: length in gawk returns wrong value
Date: Thu, 19 Jul 2012 11:27:01 +0000 (UTC)
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References: <loom DOT 20120719T103849-659 AT post DOT gmane DOT org> <20120719092024 DOT GA31055 AT calimero DOT vinschen DOT de>
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Corinna Vinschen <corinna-cygwin <at> cygwin.com> writes:

> 
> Uh oh.  1.7.9 is old.  Please update.
> 
> > 0000000   R 374   c   k   e   n  \r  \n
> > 0000010
> > Length: 1
> > 
> > What can I do to get the correct length in gawk without changing
> > ttt.txt?
> 
> Dunno.  This is not what I see.  What did you have $LANG and $LC_CTYPE
> set to?  Here's what I see:
> 
>   $ uname -a
>   CYGWIN_NT-6.1 vmbert7 1.7.16(0.261/5/3) 2012-07-09 14:51 i686 Cygwin
> 
>   $ echo $LANG
>   C.UTF-8
> 
>   $ echo "Rücken" > ttt.txt
>   $ od -c ttt.txt
>   0000000   R 303 274   c   k   e   n  \n
>   0000010
> 
>   $ gawk '{print "Length: " length($0)}' ttt.txt
>   Length: 6
> 
>   $ gawk --version | head -1
>   GNU Awk 4.0.1
> 
> Corinna
> 

After updating I added following lines on top of my script:
 export LANG=C.UTF-8
 echo LANG: $LANG
 echo LC_CTYPE: $LC_TYPE
 c:/unix/bin/gawk --version | head -1

And this is my output:
 LANG: C.UTF-8
 LC_CTYPE:
 GNU Awk 4.0.1
 CYGWIN_NT-6.0-WOW64 WIESWEG 1.7.15(0.260/5/3) 2012-05-09 10:25 i686 Cygwin
 0000000   R 374   c   k   e   n  \r  \n
 0000010
 Length: 5

Very strange!

But after adding
 export LC_CTYPE=C
I got the correct result.

Thanks for your quick help!


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