Ajuda del LibreOffice 25.2
Returns the open stream of an Input or Binary file (String).
        Input( Number as Integer, [# ] FileNumber as Integer)
    String
Number: Required. Numeric expression specifying the number of characters to return.
#: opcional.
FileNumber requerit. Qualsevol número de fitxer vàlid.
        REM ***** BASIC *****
        Option VBASupport 1
        Sub Example_Input
            Dim MyData
            Open "MyDataFile.txt" For Input As #1
            Do While Not EOF(1)
                MyData = Input(1, #1)
                Print MyData
            Loop
            Close #1
        End Sub