Get-EnvironmentVariableNames.ps1
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# Copyright © 2017 Chocolatey Software, Inc. # Copyright © 2015 - 2017 RealDimensions Software, LLC # Copyright © 2011 - 2015 RealDimensions Software, LLC & original authors/contributors from https://github.com/chocolatey/chocolatey # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. function Get-EnvironmentVariableNames([System.EnvironmentVariableTarget] $Scope) { # HKCU:\Environment may not exist in all Windows OSes (such as Server Core). switch ($Scope) { 'User' { Get-Item 'HKCU:\Environment' -ErrorAction SilentlyContinue | Select-Object -ExpandProperty Property } 'Machine' { Get-Item 'HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager\Environment' | Select-Object -ExpandProperty Property } 'Process' { Get-ChildItem Env:\ | Select-Object -ExpandProperty Key } default { throw "Unsupported environment scope: $Scope" } } } |