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回复 8# qd2024


MP3文件改名只保留前4位序号.bat

@echo off
cd /d "%~dp0"
setlocal enabledelayedexpansion
for /f "delims=" %%i in ('dir /b /s /a-d *.mp3') do (
    set "OldName=%%~ni"
    set "NewName=!OldName:~0,4!%%~xi"
    ren "%%i" "!NewName!"
)
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