while waiting for the scheduled task to finish

gistfile1.txt

function Wait-ForTask($waitProc, $idleTimeout, $totalTimeout){
    $reader=New-Object -TypeName System.IO.FileStream -ArgumentList @(
        "$env:temp\BoxstarterOutput.Stream",
        [system.io.filemode]::Open,[System.io.FileAccess]::ReadWrite,
        [System.IO.FileShare]::ReadWrite)
    try{
        $procStartTime = $waitProc.StartTime
        while($waitProc -ne $null -and !($waitProc.HasExited)) {
            $timeTaken = [DateTime]::Now.Subtract($procStartTime)
            if($totalTimeout -gt 0 -and $timeTaken.TotalSeconds -gt $totalTimeout){
                Write-BoxstarterMessage "Task has exceeded its total timeout. Killing task..."
                KillTree $waitProc.ID
                throw "TASK:`r`n$command`r`n`r`nIs likely in a hung state."
            }

            $byte = New-Object Byte[] 100
            $count=$reader.Read($byte,0,100)
            if($count -ne 0){
                $text = [System.Text.Encoding]::Default.GetString($byte,0,$count)
                $text | Out-File $boxstarter.Log -append
                $text | write-host -NoNewline
            }
            else {
                Test-TaskTimeout $waitProc $idleTimeout
            }
        }
        Start-Sleep -Second 1
        Write-Debug "Proc has exited: $($waitProc.HasExited) or Is Null: $($waitProc -eq $null)"
        $byte=$reader.ReadByte()
        $text=$null
        while($byte -ne -1){
            $text += [System.Text.Encoding]::Default.GetString($byte)
            $byte=$reader.ReadByte()
        }
        if($text -ne $null){
            $text | out-file $boxstarter.Log -append
            $text | write-host -NoNewline
        }
    }
    finally{
        if($waitProc -ne $null -and !$waitProc.HasExited){
            KillTree $waitProc.ID
        }
        $reader.Dispose()
    }    
}