echo
Write-OutputとWrite-Host
Write-Outputはコマンドレットの結果をパイプラインに渡す。Wite-Hostはコマンドレットの結果をパイプラインに渡さない。
PS> function Receive-Output
{
process { Wite-Host $_ -ForegroundColor Green }
}
PS> Write-Output "this is a test" | Receive-Output
PS> Write-Host "this is a test" | Receive-Output
PS> Write-Output "this is a test"
