对于批处理文件标记:

@echo off

    setlocal enableextensions enabledelayedexpansion

    set "source=d:\temp\input"
    set "target=d:\temp\output"
    set num=10

    for /F "tokens=1,2 delims=:" %%f in ('dir /b /a-d "%source%\*"  ^| findstr /n "^" ') do (
        if %%f leq %num% (
            copy "%source%\%%g" "%target%" /y > nul 
        ) else goto endCopy
    )

:endCopy
    endlocal