if ($args.length -lt 2) {

Write-Output "Usage: ./send_named_pipe.ps1 <pipename> <message> [message] ... [message]"

exit -1

}

$Wrapper = [pscustomobject]@{

Pipe = new-object System.IO.Pipes.NamedPipeClientStream(

".",

$args[0],

[System.IO.Pipes.PipeDirection]::InOut,

[System.IO.Pipes.PipeOptions]::None,

[System.Security.Principal.TokenImpersonationLevel]::Impersonation

)

Reader = $null

Writer = $null

}

try {

$Wrapper.Pipe.Connect(5000)

$Wrapper.Reader = New-Object System.IO.StreamReader($Wrapper.Pipe)

$Wrapper.Writer = New-Object System.IO.StreamWriter($Wrapper.Pipe)

$Wrapper.Writer.AutoFlush = $true

for ($i = 1; $i -lt $args.length; $i++) {

$Wrapper.Writer.WriteLine($args[$i])

}

# Wait for pipe contents to be read.

$Wrapper.Pipe.WaitForPipeDrain()

# Dispose the pipe, which also calls Flush and Close.

$Wrapper.Pipe.Dispose()

# Explicity set error level 0 for success, as otherwise the current error level is kept.

exit 0

} catch [TimeoutException] {

Write-Output "Timeout connecting to pipe"

exit 1

} catch [System.IO.IOException] {

Write-Output "Broken pipe"

exit 2

}