用VBS读写二进制文件

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    Function ReadBinary(FileName)
      Dim Buf(),I
      With CreateObject("ADODB.Stream")
        .Mode = 3: .Type = 1: .Open: .LoadFromFile FileName
        ReDim Buf(.Size - 1)
        For I = 0 To .Size - 1: Buf(I) = AscB(.Read(1)): Next
        .Close
      End With
      ReadBinary = Buf
    End Function

    Sub WriteBinary(FileName,Buf)
      Dim I,aBuf,Size,bStream
      Size = UBound(Buf): ReDim aBuf(Size  2)
      For I = 0 To Size - 1 Step 2
          aBuf(I  2) = ChrW(Buf(I + 1) * 256 + Buf(I))
      Next
      If I = Size Then aBuf(I  2) = ChrW(Buf(I))
      aBuf=Join(aBuf,"")
      Set bStream = CreateObject("ADODB.Stream")
      bStream.Type = 1: bStream.Open
      With CreateObject("ADODB.Stream")
        .Type = 2 : .Open: .WriteText aBuf
        .Position = 2: .CopyTo bStream: .Close
      End With
      bStream.SaveToFile FileName,2: bStream.Close
      Set bStream = Nothing
    End Sub

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