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Subject: Re: PATHEXT is fundamental to Windows and Should be recognised by CYGWIN
To: cygwin AT cygwin DOT com
References: <001001d1edf1$a4e1ae90$eea50bb0$@rogers.com> <1C0AE95E-0118-4353-AA77-4D41F1AE9AE1 AT solidrocksystems DOT com> <001a01d1eea9$f7949a90$e6bdcfb0$@rogers.com> <76ec05e9-140a-19cb-942b-698582c3d024 AT gmail DOT com> <001f01d1ef2c$f04af9e0$d0e0eda0$@rogers.com> <20160805152951 DOT GO25811 AT calimero DOT vinschen DOT de> <57A6ED1C DOT 1060402 AT gmx DOT de>
From: cyg Simple <cygsimple AT gmail DOT com>
Message-ID: <5adee091-78a6-3a3d-5277-efa9e666f84e@gmail.com>
Date: Sun, 7 Aug 2016 13:40:54 -0400
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On 8/7/2016 4:11 AM, Herbert Stocker wrote:
> On 05.08.2016 17:29, Corinna Vinschen wrote:
>  If you see the
>> code required to handle .exe and .lnk extensions you don't *want*
>> PATHEXT support anymore.
>>
> 
> Moreso, this code has recently broken my C++ code in Cygwin.
> It tried to see if a directory  /dir/subdir/something  existed,
> and Cygwin said yes because it found a /dir/subdir/something.exe .
> So my program failed.
> 

In my opinion this is an issue with stat/lstat coding. In the alpha days
of Cygwin binutils didn't add the .exe to executable files.  The problem
that caused was that CMD couldn't execute a perfectly valid executable
even though Cygwin's bash could.  The fix is what we have today and it
does cause problems such as you describe.  The fact that this scenario
prevails is an indication that the code needs to be revisited.  Maybe
even a different method to execute files with extensions given without
the extensions at the command line.

-- 
cyg Simple

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