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Reply-To: Brian DOT Inglis AT SystematicSw DOT ab DOT ca
Subject: Re: sed seems to force UC filename on Mixed 8.3 filenames on FAT32
To: cygwin AT cygwin DOT com
References: <CAKqBF1jHmZCo5a4hsZ4oHrEO8WODoeatO8m-xZaje5Um1X-jLg AT mail DOT gmail DOT com>
From: Brian Inglis <Brian DOT Inglis AT SystematicSw DOT ab DOT ca>
Message-ID: <468c8201-f85c-d1ce-a50b-2b983a70edaf@SystematicSw.ab.ca>
Date: Sat, 3 Mar 2018 11:14:39 -0700
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On 2018-03-03 01:36, Fergus Daly wrote:
>>> Run stat on original and converted files.
> 
> OK. I get this:
> 
> ~> stat /j/PStart.xml
>   File: /j/PStart.xml
>   Size: 7233            Blocks: 8          IO Block: 65536  regular file
> Device: a6418e7fh/2789314175d   Inode: 7206475022584976007  Links: 1
> Access: (0644/-rw-r--r--)  Uid: (197609/ fergusd)   Gid: (197609/ fergusd)
> Access: 2018-03-03 00:00:00.000000000 +0000
> Modify: 2018-03-02 11:50:12.000000000 +0000
> Change: 2018-03-02 11:50:12.000000000 +0000
>  Birth: 2018-03-02 09:26:44.060000000 +0000
> 
> ~> dos2unix.exe /j/PStart.xml
> dos2unix: converting file /j/PStart.xml to Unix format...
> 
> ~> stat /j/PSTART.XML
>   File: /j/PSTART.XML
>   Size: 6943            Blocks: 8          IO Block: 65536  regular file
> Device: a6418e7fh/2789314175d   Inode: 7206475022584976007  Links: 1
> Access: (0644/-rw-r--r--)  Uid: (197609/ fergusd)   Gid: (197609/ fergusd)
> Access: 2018-03-03 00:00:00.000000000 +0000
> Modify: 2018-03-03 08:27:16.000000000 +0000
> Change: 2018-03-03 08:27:16.000000000 +0000
>  Birth: 2018-03-03 08:27:15.210000000 +0000
> 
> Does that help at all?
> 
> It's not so much the behaviour on FAT32, which I could put up with as
> a filesystem pehenomenon if it had always been the case: but it's just
> started in the past few days. Can't think what has been updated that
> would cause this change. Previously sed and dos2unix which I use
> constantly (and others) did NOT change the case of the filename.

Should only be possible if Std C rename was changed in newlib/Cygwin1.dll
updates or operation on FAT32 was changed by Windows updates.
Looks like VFAT entries are no longer being created for the long file name as it
has a short name.
Test what happens if you use a mixed long file name e.g. Mumblety-Peg.html?

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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