Get the value of an environment variable whose name is stored in a variable

Question

I am trying to figure out an easy to read and understandable idiom that evaluates the the value of an environment variable whose name is stored in a variable:

$varName='TEMP'

I have come up with

$val = invoke-expression "`$env:$varName"

and am wondering if there is a more to the point alternative.

Mathias R. Jessen · Accepted Answer · 2021-09-24 10:30:01Z

11

env: a real PSDrive that supports item retrieval:

$val = (Get-Item -Path env:\$varName).Value

answered Sep 24, 2021 at 10:30

Mathias R. Jessen

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