Powershell Script for easy toggling Microsoft Hyper-V Windows Feature

hyperv.ps1

#Requires -RunAsAdministrator
# Script for enabling/disabling Hyper-V.

Param(
    [string]$action
)

function usage {
    Write-Host "usage:
        $($args[0]) status - hyper-v status
        $($args[0]) enable - enables hyper-v with all tools
        $($args[0]) disable - disables hyper-v with all tools"
}

function getFeatures {
    return Get-WindowsOptionalFeature -Online `
        | Where-Object {$_.FeatureName.StartsWith("Microsoft-Hyper-V")}
}

switch ($action) {
    "status" { getFeatures | Format-List }
    "enable" { 
        Enable-WindowsOptionalFeature -Online -FeatureName $(
            getFeatures | ForEach-Object {"$($_.FeatureName)"}
        )
     }
    "disable" {
        Disable-WindowsOptionalFeature -Online -FeatureName $(
            getFeatures | ForEach-Object {"$($_.FeatureName)"}
        )
      }
    Default {usage}
}