Receive serial and save to text file with time+date

I have a PICAXE sending serial text and I need to save the data received in a new line on a text file with the time and date next to it, I know the data can be received because I have seen it showing up in programs such as hyperterminal.
The line should look something like this:
<data received> | 17:08:25 | 22/05/13

Thanks in advance :)

Hi, is the data a string of ASCII characters or a string of binary values. Do you have any control over the data such as adding a header or appending a carriage return. What is the baud rate.

I have the ability to change what the micro controller sends to the computer and it is running at 4800

Ok here is a quick snippet to test with, it is simply a windows application with one form a richtextbox control and a serialport. The serial port is configured in the forms load event handler, modify the baud rate and com port name to suit your hardware.

The reason I asked it you can modify the data from the microcontroller is that this example uses ReadLine which requires a Newline appended to the data, for example "Hello World" , 10

The richtextbox allows you to read the incoming stream while it is being written to file, the filename and path can be modified to whatever is needed.

I have used similar applications to this where I just display the data in the text box, I'm then able to read what I have and if I want to save it to file I save it using a savefiledialog, an option to consider.

Code:

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Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

        SerialPort1.BaudRate = 4800
        SerialPort1.PortName = "COM4"
        SerialPort1.Open()

    End Sub

    Public Delegate Sub mydelegate(ByVal mystring As String)

    Private Sub text_out(ByVal s As String)
        Dim file_text As String = s & "  " & Date.Now & vbCrLf
        RichTextBox1.AppendText(file_text)
        My.Computer.FileSystem.WriteAllText("C:\Users\Owner\Test.txt", file_text, True)
    End Sub

    Private Sub SerialPort1_DataReceived(ByVal sender As Object, ByVal e As System.IO.Ports.SerialDataReceivedEventArgs) Handles SerialPort1.DataReceived

        Dim rx_string As String = String.Empty

        SerialPort1.ReadTimeout = 20

        Try
            rx_string = SerialPort1.ReadLine
            Me.Invoke(New mydelegate(AddressOf text_out), rx_string)

        Catch ex As Exception

        End Try

    End Sub

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Thanks for your help, I have the program working perfect.