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Date: Fri, 13 May 2022 13:43:25 -0600
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Subject: Re: regedit fails with a pop-up
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To: cygwin AT cygwin DOT com
References: <4A6F13C2-FD19-427A-B6E4-4DC4B198B0C2 AT Denis-Excoffier DOT org>
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From: Brian Inglis <Brian DOT Inglis AT SystematicSw DOT ab DOT ca>
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On 2022-05-13 12:41, Kevin Schnitzius via Cygwin wrote:
> On Friday, May 13, 2022, 01:50:12 PM EDT, Denis Excoffier wrote:
>> It seems that very recently (immediately after i installed 3.3.5),
>> /cygdrive/c/windows/regedit /E 'HKEY_CURRENT_USER\Environment'
>> no longer works (i.e. should dump the environment on stdout), and
>> produces a pop-up window with:
>> Cannot export HKEY_CURRENT_USER\Environment: Error opening the file. There may be a disk or file system error.

> Note: this fails the same way from cmd.
> regedit /e --- Exports the entire registry to a file. You can modify this command to add a filename and specific location on the drive, such as regedit /e c:\AllRegistryEntries.reg. You can export a specific key with the following example command regedit /e keybackup.reg HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Edge.
> You cannot use con: as the output file apparently.

Windows regedit executes in the background, and reg, regtool save use 
Windows binary reg file formats, and regedit /e and reg export save as 
utf16le using hex for strings - use Cygwin regtool list -v instead for 
readable strings e.g.

	$ regtool list -v \\HKEY_CURRENT_USER\\Environment\\
	$ regtool list -v /HKEY_CURRENT_USER/Environment/
	$ regtool list -v /proc/registry/HKEY_CURRENT_USER/Environment/
	$ regtool list -v //hostname/HKEY_CURRENT_USER/Environment/
	$ regtool list -v hostname:/HKEY_CURRENT_USER/Environment/

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

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