@echo off
@REM 脚本与主文件夹同目录
setlocal EnableDelayedExpansion
cd /d "%~dp0"
for /d %%A in (.\*) do (
  set dirname=%%~nxA
  if /i not "!dirname:~-5!"=="_随机采样" (
    xcopy "%%A" "%%A_随机采样\" /T /E /F
    for /d %%B in ("%%A\*") do (
      for /f "delims=" %%C in ('dir /a-d /b /s "%%B\*"^|powershell -c "get-random -input @($input) -count (Get-Random -Maximum 10 -Minimum 5)"') do (
        echo copy "%%C" "%%A_随机采样\%%~nxB\"
        copy "%%C" "%%A_随机采样\%%~nxB\"
      )
    )
  )
)
endlocal
pause
exit /b
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