Registry key / value enumeration

registryTest.ps1

[CmdletBinding()]
Param(
    $registryPath = "HKLM:\System\CurrentControlSet\Test"
)

Function Get-RegistryValue {
    Param(
        [Parameter(Mandatory)]
        [string]$Path
    )

    (Get-Item -Path $Path).GetValueNames() | Select-Object @{N="Name"; E={$_}}, @{N="Value"; E={(Get-ItemProperty -Path $Path).$_}}

}

Function Get-RegistrySubkey {
    Param(
        [Parameter(Mandatory)]
        [string]$Path
    )

    Get-ChildItem -Path $Path | Where-Object { $_.PSIsContainer }
}

If (Test-Path $registryPath) {
    ForEach ($key in (Get-RegistrySubkey -Path $registryPath)) {
        ForEach ($value in (Get-RegistryValue -Path $key.PSPath)) {
            Write-Host "Name: $($value.Name) Value: $($value.Value)"
        }
    }

    ForEach ($value in (Get-RegistryValue -Path $registryPath)) {
        Write-Host "Name: $($value.Name) Value: $($value.Value)"
    }
}