Ayuda de LibreOffice 25.2
Zarra tolos ficheros abiertos y escribe el conteníu de toles memories entemedies de ficheru nel discu duru.
  
Reset
Sub ExampleReset
On Error GoTo ErrorHandler
    Dim iNumber As Integer
    Dim iCount As Integer
    Dim sLine As String
    Dim aFile As String
    aFile = "C:\Users\ThisUser\data.txt"
    iNumber = Freefile
    Open aFile For Output As #iNumber
    Print #iNúmberu, "Esta ye una llinia de testu nueva"
    Close #iNumber
    iNumber = Freefile
    Open aFile For Input As iNumber
    For iCount = 1 To 5
        Line Input #iNumber, sLine
        If sLine <>"" Then
            Rem
        End If
    Next iCount
    Close #iNumber
    Exit Sub
ErrorHandler:
    Reset
    MsgBox "Zarraránse tolos ficheros", 0, "Error"
End Sub