StdOutProblem.ps1

function Setup_CMD
{
  param($FuncSetupVars)
  if($global:Verbose){$Verbose = $True}
  $FuncVars = @{}
  $ProcessStartInfo = New-Object System.Diagnostics.ProcessStartInfo
  $ProcessStartInfo.FileName = $FuncSetupVars[0]
  $ProcessStartInfo.UseShellExecute = $False
  $ProcessStartInfo.RedirectStandardInput = $True
  $ProcessStartInfo.RedirectStandardOutput = $True
  $ProcessStartInfo.RedirectStandardError = $True
  $FuncVars["Process"] = [System.Diagnostics.Process]::Start($ProcessStartInfo)
  Write-Verbose ("Starting Process " + $FuncSetupVars[0] + "...")
  $FuncVars["Process"].Start() | Out-Null
  $FuncVars["StdOutDestinationBuffer"] = New-Object System.Byte[] 65536
  $FuncVars["StdOutReadOperation"] = $FuncVars["Process"].StandardOutput.BaseStream.BeginRead($FuncVars["StdOutDestinationBuffer"], 0, 65536, $null, $null)
  $FuncVars["StdErrDestinationBuffer"] = New-Object System.Byte[] 65536
  $FuncVars["StdErrReadOperation"] = $FuncVars["Process"].StandardError.BaseStream.BeginRead($FuncVars["StdErrDestinationBuffer"], 0, 65536, $null, $null)
  $FuncVars["Encoding"] = New-Object System.Text.AsciiEncoding
  return $FuncVars
}
function ReadData_CMD
{
  param($FuncVars)
  [byte[]]$Data = @()
  if($FuncVars["StdOutReadOperation"].IsCompleted)
  {
    $StdOutBytesRead = $FuncVars["Process"].StandardOutput.BaseStream.EndRead($FuncVars["StdOutReadOperation"])
    if($StdOutBytesRead -eq 0){break}
    $Data += $FuncVars["StdOutDestinationBuffer"][0..([int]$StdOutBytesRead-1)]
    $FuncVars["StdOutReadOperation"] = $FuncVars["Process"].StandardOutput.BaseStream.BeginRead($FuncVars["StdOutDestinationBuffer"], 0, 65536, $null, $null)
  }
  if($FuncVars["StdErrReadOperation"].IsCompleted)
  {
    $StdErrBytesRead = $FuncVars["Process"].StandardError.BaseStream.EndRead($FuncVars["StdErrReadOperation"])
    if($StdErrBytesRead -eq 0){break}
    $Data += $FuncVars["StdErrDestinationBuffer"][0..([int]$StdErrBytesRead-1)]
    $FuncVars["StdErrReadOperation"] = $FuncVars["Process"].StandardError.BaseStream.BeginRead($FuncVars["StdErrDestinationBuffer"], 0, 65536, $null, $null)
  }
  return $Data,$FuncVars
}