A named pipe client in powershell

pipe_client.ps1

$npipeClient = new-object System.IO.Pipes.NamedPipeClientStream(".", 'BlackJack', [System.IO.Pipes.PipeDirection]::InOut,
    [System.IO.Pipes.PipeOptions]::None,
	[System.Security.Principal.TokenImpersonationLevel]::Impersonation)
	
$npipeClient.Connect()
$script:pipeWriter = new-object System.IO.StreamWriter($npipeClient)
$pipeWriter.AutoFlush = $true
while (1) {
   $pipeWriter.WriteLine("hello")
   Sleep 1
}