$iswindows ?

[rogermartensson]

Tried your latest release thinking I could add a cmdlet or two.

You've already added those I found missing but I found a reference to a variable called $IsWindows.
That is part of PowerShell Core/6 and not anything earlier normally found on a windows installation.

Is it needed? If so, maybe a workaround should be made where $IsWindows is not available?

[jonnyt]

Yes that should be fixed then. It's only needed if you are getting large result sets back because of limitations in the .Net implementation that I didn't run into when using PowerShell Core.

This discussion has what looks like a good fix:

$runningOnWindows = -not (Test-Path variable:IsWindows) -or $IsWindows