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Date:	Tue, 18 Apr 2023 23:09:07 +0200
To:	cygwin AT cygwin DOT com
Subject:	Re: Can not stat file with utf char U+F020
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From:	Gionatan Danti via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	Gionatan Danti <g DOT danti AT assyoma DOT it>
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Il 2023-04-17 15:46 Gionatan Danti via Cygwin ha scritto:
> First, I use the "dos" mount option to always trigger conversion of
> space and dot at filename end into F+00xx chars. Now I am able to
> create such strange-looking file (in Explorer) within cygwin itself.
> For example, touch "zzs " now results in "zzs+strangechar" in
> Explorer. Both cygwin and windows are able to read/write such file.
> 
> But if I edit the filename via Explorer adding an extension (ie: from
> "zzs+strangechar" to "zzs+strangechar.txt") now cygwin is suddenly
> unable to read/write the file.
> 
> It seems to me that the appended chars prevent cygwin to translate
> back F0xx to 00xx (as the PUA char is not at the end of the filename
> anymore).
> 
> So, two paths should be available:
> - always translate back F0xx to 00xx even if not at the end of 
> filename;
> - otherwise, if too invasive to do it unconditionally, add an option
> as "always_translate_pua" (default: off) to enable such behavior based
> on user needs.
> 
> I would (naively?) think that option 1 (always translate back PUA)
> should be the preferred approach, as cygwin is at the moment
> effectively unable to access some files.

Hi all,
any thoughts on the matter? Am I missing something?

Thanks.

-- 
Danti Gionatan
Supporto Tecnico
Assyoma S.r.l. - www.assyoma.it
email: g DOT danti AT assyoma DOT it - info AT assyoma DOT it
GPG public key ID: FF5F32A8

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