How to query the value of %SystemDrive% in an empty environment?

[Bill Stewart]

On Tue, Aug 6, 2019 at 9:42 AM Corinna Vinschen wrote:
>
> On Aug  6 17:20, Michael Haubenwallner wrote:
> > Now what I've failed to find is how to query the value for the "SystemDrive"
> > environment variable.
>
> Just strip it off SYSTEMROOT?

IIRC, that will not give the expected value if Windows is installed on
a different drive.

Bill

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