PUDAdminCenterPrototype

0.1.3

Public/Set-EnvironmentVariable.ps1

                                <#

    .SYNOPSIS

        Updates or renames an environment variable specified by name, type, data and previous data.

    .DESCRIPTION

        Updates or Renames an environment variable specified by name, type, data and previrous data.

    .NOTES

        This function is pulled directly from the real Microsoft Windows Admin Center

        PowerShell scripts use rights (according to Microsoft):

        We grant you a non-exclusive, royalty-free right to use, modify, reproduce, and distribute the scripts provided herein.

        ANY SCRIPTS PROVIDED BY MICROSOFT ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED,

        INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS OR A PARTICULAR PURPOSE.

    .ROLE

        Administrators

    .PARAMETER oldName

        This parameter is MANDATORY.

        TODO

    .PARAMETER newName

        This parameter is MANDATORY.

        TODO

    .PARAMETER value

        This parameter is MANDATORY.

        TODO

    .PARAMETER type

        This parameter is MANDATORY.

        TODO

    .EXAMPLE

        # Open an elevated PowerShell Session, import the module, and -

        PS C:\Users\zeroadmin> Set-EnvironmentVariable -oldName "OldVar" -newName "NewVar" -value "thing1" -type "User"

#>

function Set-EnvironmentVariable {

    param(

        [Parameter(Mandatory = $True)]

        [String]

        $oldName,

        [Parameter(Mandatory = $True)]

        [String]

        $newName,

        [Parameter(Mandatory = $True)]

        [String]

        $value,

        [Parameter(Mandatory = $True)]

        [String]

        $type

    )

    Set-StrictMode -Version 5.0

    $nameChange = $false

    if ($newName -ne $oldName) {

        $nameChange = $true

    }

    If (-not [Environment]::GetEnvironmentVariable($oldName, $type)) {

        @{ Status = "currentMissing" }

        return

    }

    If ($nameChange -and [Environment]::GetEnvironmentVariable($newName, $type)) {

        @{ Status = "targetConflict" }

        return

    }

    If ($nameChange) {

        [Environment]::SetEnvironmentVariable($oldName, $null, $type)

        [Environment]::SetEnvironmentVariable($newName, $value, $type)

        @{ Status = "success" }

    }

    Else {

        [Environment]::SetEnvironmentVariable($newName, $value, $type)

        @{ Status = "success" }

    }    

}

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