[问题求助] 求助vbs将文件名前N个字符相同的文件移动到相应新建的文件夹内，谢过！

Dim p
Dim sp
Dim N
Set dp = CreateObject("Scripting.Dictionary")
Set FSO = CreateObject("Scripting.FileSystemObject")
Set Directory = FSO.GetFolder(".")
p=0
N=inputbox("输入需要截取文件名的位数（左起）","提示！","",8000,4000)
if N="" then
  WScript.Quit
end if
if (IsNumeric(N)=false) then
  msgbox "输入大于0的正整数"
  WScript.Quit
end if
if N<=0 then
  msgbox "输入大于0的正整数"
  WScript.Quit
end if
For Each FileName In Directory.Files
    if (right(FileName.Name,4)<>".vbs" ) and (right(FileName.Name,4)<>".bat") and (right(FileName.Name,4)<>".xls" ) and (right(FileName.Name,5)<>".xlsm") then
        sp=Left(FileName.Name,N)
'wscript.echo sp
        if not dp.Exists(sp) then
            dp.Add p,sp
            p=p+1
'msgbox p
        end if
    end if
Next
'msgbox p & sp
Set FileName = Nothing
Set Directory = Nothing
Set FSO = Nothing
Set WshShell = CreateObject("WScript.Shell")
for i=0 to p-1
    Set oExec = WshShell.Exec("cmd /c md "+dp(i)+" && move "+dp(i)+"*.* "+dp(i)+"\")
    Do While oExec.Status = 0
        WScript.Sleep 100
    Loop
next
Set WshShell = Nothing
Set dp = Nothing
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