went

@echo off
powershell -version 2.0 -c "dir | Where-Object {$_.Attributes.ToString() -eq 'Directory'} | foreach { if ($_.Name -match '\d\.\d'){ Rename-Item $_.FullName ($_.Name -replace ('(?<=\d)\.(?=\d)','-'))}}"
pause&exit
复制代码

先备份再用

went

@echo off
powershell -version 2.0 -c "dir -Recurse | Where-Object {$_.Attributes.ToString() -eq 'Directory'} | Sort-Object {$_.FullName.Split('\').Count} -Descending | foreach {if ($_.Name -match '\d\.\d'){Rename-Item  $_.FullName ($_.Name -replace ('(?<=\d)\.(?=\d)','-'))}}"
pause&exit
复制代码

有点长