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@echo off set Ipath= for /f "tokens=1 delims=" %%a in ('reg query "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders" /v Personal^|Findstr /i "Personal"') do ( set Ipath=%%a&&goto :getpath ) :getpath set Ipath=%Ipath:REG_SZ=% set Ipath=%Ipath: =% set Ipath=%Ipath: =% set Ipath=%Ipath:~8% copy "%Ipath%\*.txt" "%userprofile%\桌面\BAK\"