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Date:	Tue, 2 Aug 2022 16:45:38 +0300
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To:	"cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
From:	Mike Kaganski <mikekaganski AT mail DOT ru>
Subject:	'touch filename.ext' will touch 'filename.ext.exe' or
	'filename.ext.lnk' or 'filename.ext.exe.lnk' if they exist when there's no
	'filename.ext'
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Hi!

Using cygwin 3.3.4-2 and 3.3.5-1:


Create a file named 'file.ext.exe'.

In cygwin, run:

 > touch file.ext


Examine the directory. The 'file.ext' wasn't created; the file 
'file.ext.exe' timestamp was updated.


procmon shows this log for a non-existing file access by touch:

 > touch.exe    17588    CreateFile D:\Documents\nonexistent.ext    NAME 
NOT FOUND    Desired Access: Read EA, Read Attributes, Read Control, 
Disposition: Open, Options: Open Reparse Point, Attributes: n/a, 
ShareMode: Read, Write, Delete, AllocationSize: n/a    
"C:\cygwin64\bin\touch.exe"
 > touch.exe    17588    CreateFile D:\Documents\nonexistent.ext.exe    
NAME NOT FOUND    Desired Access: Read EA, Read Attributes, Read 
Control, Disposition: Open, Options: Open Reparse Point, Attributes: 
n/a, ShareMode: Read, Write, Delete, AllocationSize: n/a    
"C:\cygwin64\bin\touch.exe"
 > touch.exe    17588    CreateFile D:\Documents\nonexistent.ext.lnk    
NAME NOT FOUND    Desired Access: Read EA, Read Attributes, Read 
Control, Disposition: Open, Options: Open Reparse Point, Attributes: 
n/a, ShareMode: Read, Write, Delete, AllocationSize: n/a    
"C:\cygwin64\bin\touch.exe"
 > touch.exe    17588    CreateFile 
D:\Documents\nonexistent.ext.exe.lnk    NAME NOT FOUND    Desired 
Access: Read EA, Read Attributes, Read Control, Disposition: Open, 
Options: Open Reparse Point, Attributes: n/a, ShareMode: Read, Write, 
Delete, AllocationSize: n/a    "C:\cygwin64\bin\touch.exe"
 > touch.exe    17588    CreateFile D:\Documents\nonexistent.ext    
SUCCESS    Desired Access: Generic Write, Read Attributes, Disposition: 
OpenIf, Options: Synchronous IO Non-Alert, Attributes: N, ShareMode: 
Read, Write, Delete, AllocationSize: 0, OpenResult: Created 
"C:\cygwin64\bin\touch.exe"
 > ...

Using Windows 10 version 21H2 (OS Build 19044.1826)


-- 

Best regards,

Mike Kaganski


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