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Subject: Re: Get Cygwin home directory path for current user
To: cygwin AT cygwin DOT com
References: <CANV9t=R83dQddZOVWVUg55t7K=DUyE8BiQ10Pn1v4G+xcgPh3w AT mail DOT gmail DOT com> <9539a1e8-e893-3175-f96c-fb4ad172702c AT redhat DOT com> <CANV9t=R-1XE-cyKa5vtvtu_3dJiYoLRstBTN86JiQ2FS2T+Jyw AT mail DOT gmail DOT com> <2a87c6c0-6a0f-6994-3620-8b0b722d7d49 AT redhat DOT com> <CANV9t=QXVTGF0uS+vNCmkrxNOV7GVAsO_5hTS9hizX0tnW=-PA AT mail DOT gmail DOT com> <06CBB893-FD9F-460F-B00C-E22950036B5E AT solidrocksystems DOT com> <CANV9t=RML1q=ZAQOadvrsjmWn2391s6jr_t1MgbaJxO6DM2V5Q AT mail DOT gmail DOT com> <EE1F333E-3A36-40CE-971B-1791145D29CC AT solidrocksystems DOT com> <CANV9t=Td7_G-Bk2XVyBVY3rN1QorgLsGU1ChBtJHOV7-qZVFcA AT mail DOT gmail DOT com>
From: LRN <lrn1986 AT gmail DOT com>
Message-ID: <ce3368bb-9e6a-54af-aedb-75af1e113993@gmail.com>
Date: Fri, 15 Feb 2019 04:25:25 +0300
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From: LRN <lrn1986 AT gmail DOT com>
To: cygwin AT cygwin DOT com
Message-ID: <ce3368bb-9e6a-54af-aedb-75af1e113993 AT gmail DOT com>
Subject: Re: Get Cygwin home directory path for current user


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On 15.02.2019 2:41, Bill Stewart wrote:
> On Thu, Feb 14, 2019 at 4:32 PM Vince Rice wrote:
>=20
>> I didn't suggest everyone did. But people who want tilde expansion do, b=
ecause it's
>> the shell that is responsible for tilde expansion.
>> ...
>> No, it isn't "oddly" absent. As has been said repeatedly in this thread,=
 tilde expansion
>> is the responsibility of the shell. Cygwin has nothing to do with it. Th=
e *shell* does
>> it.
>> ...
>> Because, repeat after me, IT'S THE SHELL THAT DOES THE EXPANSION!
>=20
> (?) I understand that the shell does ~ expansion. I am asking for a
> way to get that particular path (forget about the ~ character for the
> time being) without needing to invoke a Cygwin shell in the first
> place. (That was the whole point of the request.)

This is not *exactly* without invoking Cygwin shell, but i don't see how the
difference matters:

c:/cygwin/bin/bash.exe --login -c "cygpath -w ~"
or
c:/cygwin/bin/bash.exe -c "/bin/cygpath -w ~"

either would work.

If you don't want to hardcode c:/cygwin, use registry functions to grab the
contents of Computer\HKEY_CURRENT_USER\Software\Cygwin\Installations someho=
w. I
don't know PowerShell, but with reg.exe that would be:

reg query HKEY_CURRENT_USER\Software\Cygwin\Installations

and then you'd have to filter out one of the installations out of that.


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