Return value of environment variable with powershell

Question

I have the name of an environment variable in a variable and I want to get the value. How do I do that? I\'ve tried:

PS C:\\Users\\Joe> $v=\"USERDOMAIN\"
         


        

Answer 1

Two lines

$v = "Path"
(get-item env:$v).Value

One line

iex ('$env:' + $x)

Answer 2

To complement Vladimir's helpful answer with a solution that makes direct use of the .NET framework:

$v="USERDOMAIN"
[Environment]::GetEnvironmentVariable($v)