qixiaobin0715

用批处理也行：

@echo off
chcp 65001>nul
setlocal enabledelayedexpansion
pushd "任务"
for /f "delims=" %%i in ('dir /b /s /a-d *伴奏*.txt *歌词*.txt *原唱*.txt') do (
    for /f "delims=" %%j in (%%i) do (
        set n=%%j
        set /a n=n
        set m=000!n!
        set _!m:~-4!=!n!
    )
)
popd
for /f "tokens=2 delims==" %%a in ('set _') do set k=!k!%%a, 
findstr /b /r "!k!" 0-1001.csv>b.csv
pause
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