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Subject:	Re: Please add /cygdrive/c/Windows/Sysnative to the default PATH
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From:	Thomas Wolff <towo AT towo DOT net>
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Date:	Tue, 24 Nov 2020 08:24:47 +0100
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Am 19.11.2020 um 16:57 schrieb Brian Inglis:
> On 2020-11-17 16:41, tealhill via Cygwin wrote:
>> On 2020-11-17 4:23 PM, Thomas Wolff wrote:
>>> Am 17.11.2020 um 20:54 schrieb tealhill via Cygwin:
>>  >>
>>>> Cygwin's /etc/profile sets the PATH.
>>>>
>>>> Could /etc/profile please also add /cygdrive/c/Windows/Sysnative to 
>>>> the end of the PATH?
>>  >
>>> It doesn't add any other Windows folders so why this one.
>>
>> ### Summary
>>
>> Why should Cygwin add Sysnative to $PATH?  As a workaround for 
>> Microsoft's failure to add Sysnative to %PATH%.
>
> You have the option to add SysNative to your system or user PATH under 
> Windows, although that would best be done in your login script.
>
>> ### Full explanation
>>
>> Cygwin imports the Windows %PATH% variable at startup.
>>
>> It would be ideal if Microsoft would add Sysnative to the default 
>> Windows %PATH%.  Such a change would help Cygwin users and others.  
>> But I doubt that Microsoft will make this change.
>>
>> Therefore, I am suggesting that Cygwin work around Microsoft's 
>> omission.  My suggested workaround is for Cygwin to add Sysnative to 
>> its own $PATH, automatically.
>
> Cygwin starts with Cygwin paths /usr/bin:/bin and everything else is 
> up to you.
> You may add to your Cygwin PATH in your shell profile with code that 
> switches depending on the existence of SysWOW64 and SysNative: cygpath 
> -F 37 gives your application sysdir path, and cygpath -F 41 gives your 
> x86 sysdir if there is one:
>
>     https://docs.microsoft.com/en-ca/dotnet/api/system.environment.specialfolder?view=net-5.0 
>
>
>     https://docs.microsoft.com/en-ca/windows/win32/api/shlobj_core/nf-shlobj_core-shgetknownfolderidlist 
>
>
>     https://docs.microsoft.com/en-ca/windows/win32/shell/knownfolderid
>
> and please note that SysNative appears nowhere!

That's because Sysnative is not a known folder. It is rather unknown 
just because it is virtual :)
And that is the problem I tried to address. In cygwin32, you can `cd 
$WINDIR/Sysnative` but you wouldn't see the folder. For tools like ls or 
find it simply does not exist, while obviously it exists somehow and can 
be used in PATH.
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