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Date: Thu, 16 Apr 2009 18:23:29 +0100
From: Dave Korn <dave DOT korn DOT cygwin AT googlemail DOT com>
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To: cygwin AT cygwin DOT com
Subject: Re: UTF-8 problem/bug with Cygwin 1.7
References: <49E75CE7 DOT 4010004 AT danbbs DOT dk>
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Gunnar Degnbol wrote:

> I have a strange problem with UTF-8 characters when running bash from
> the Windows command line. I hoped it would go away with the new Cygwin
> 1.7.0-46, but it is still there. 

  Can't reproduce this with either -45 or -46:

Microsoft Windows 2000 [Version 5.00.2195]
(C) Copyright 1985-2000 Microsoft Corp.

C:\>F:

F:\>cd cygwin-1.7

F:\cygwin-1.7>cd bin

F:\cygwin-1.7\bin>.\echo £
£

F:\cygwin-1.7\bin>bash -c 'echo a'
a

F:\cygwin-1.7\bin>bash -c 'echo £'
£

F:\cygwin-1.7\bin>set LANG=en_US.UTF-8

F:\cygwin-1.7\bin>bash -c 'echo £'
£

F:\cygwin-1.7\bin>cygcheck -c cygwin
Cygwin Package Information
Package              Version        Status
cygwin               1.7.0-45       OK

F:\cygwin-1.7\bin> [ runs setup.exe to upgrade ]

F:\cygwin-1.7\bin>cygcheck -c cygwin
Cygwin Package Information
Package              Version        Status
cygwin               1.7.0-46       OK

F:\cygwin-1.7\bin>bash -c 'echo £'
£

F:\cygwin-1.7\bin>

> C:\cygwin17\bin>bash -c 'echo £'
> bash: $'echo \302\243': command not found
> 
> C:\cygwin17\bin>bash -c "$'echo \302\243'"
> bash: $'echo \302\243': command not found
> 
> C:\cygwin17\bin>bash -c "echo $'\302\243'"
> £
> 
> It works if I don't set LANG, or set it to something else than UTF-8. It
> also works in Cygwin 1.5.
> Seems like UTF-8 makes bash escape the whole command line if it contains
> non-ascii characters. Maybe it should only escape the non-ascii
> characters? This might still cause problems with text in quotes.

  I'm not very familiar with this "$'" construct, but yes, it's blatantly
wrong to quote the whole line using since then it gets treated as a single
word for parsing purposes.  I have no idea who is doing this escaping and why
I'm not getting it though.


    cheers,
      DaveK



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