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X-HELO: mail.karlov.mff.cuni.cz
Subject: Re: Files with attribute temporary invisible in cygwin
References: <4e49da21-7af2-cc3f-97cf-f3fef083a9dd AT mff DOT cuni DOT cz> <20180309092630 DOT GG32523 AT calimero DOT vinschen DOT de> <0085bce8-6318-9270-5bf9-31d65a61e861 AT mff DOT cuni DOT cz> <20180309200426 DOT GF5117 AT calimero DOT vinschen DOT de> <20180309202925 DOT GH5117 AT calimero DOT vinschen DOT de>
From: Pavel Kudrna <Pavel DOT Kudrna AT mff DOT cuni DOT cz>
To: cygwin AT cygwin DOT com
Message-ID: <850a55d1-44df-4b1c-9d36-c6f4061fb109@mff.cuni.cz>
Date: Mon, 12 Mar 2018 14:09:07 +0100
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On 9/3/2018 21:29, Corinna Vinschen wrote:
> On Mar  9 21:04, Corinna Vinschen wrote:
>> On Mar  9 14:56, Pavel Kudrna wrote:
>>> On 9/3/2018 10:26, Corinna Vinschen wrote:
>>>> On Mar  9 00:43, Pavel Kudrna wrote:
>>>>> There exist files in windows 7 which can't be deleted using cygwin "rm"
>>>>> command. Files are visible from windows command line or Windows Explorer but
>>>>> are invisible by "ls -lA" command:
>>>>
>>>> https://cygwin.com/ml/cygwin/2018-02/msg00162.html
>>>>
>>>> Corinna
>>>
>>> With the snapshot 2018-02-14 files with temporary attribute are visible and
>>> deletable.
>>>
>>> But still I have directories undeletable using "rm -R" which contain files
>>> with both hidden and temporary attributes set.
>>
>> Duh.  I *knew* I had to remove this "hiding O_TMPFILE files from
>> readdir" at one point.  No wonder I wrote a matching comment right from
>> the start.
>>
>> Of course this can't work with rm -r.  Given rm doesn't see this file it
>> never unlinks it, so the parent dir can't be removed.

Clear.

>> I add this to my List Of Really Bad Ideas.
>>
>> Still, what files have both attributes set?  What application is
>> creating these files?  Apart from Cygwin, of course, but Cygwin
>> O_TMPFILE files are delete-on-close.

Files with both hidden and temporary attributes on belong to LabView 
2015. I found 2 in "C:\ProgramData\National Instruments\NI-DAQmx"
{509E1DB5-B477-49b8-AF59-114DC801074C}RrWr.lock
{509E1DB5-B477-49b8-AF59-114DC801074C}Write.lock
and 3 in
"C:\ProgramData\National Instruments\Shared 
Memory\platform\memory\sharedMemoryFiles"
48d09ae7-0894-4c28-ab25-b6f1cdea221f
pimmInternalFloatingSharedHeap
pimmPublicFloatingSharedHeap.

> New snapshot up at https://cygwin.com/snapshots

With the snapshot 2018-03-09 all mentioned files are visible by "ls" and 
"rm -r" removes directories with them (I do it offline after reboot to 
Windows PE).

Thank you.

With greetings
Pavel Kudrna

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