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回复 1# WBATW

@echo off
cd /d "%~dp0"
set "InFile=list.log"
set "OutFile=list.log.new"
setlocal enabledelayedexpansion
(for /f "delims=" %%i in ('dir /b /a-d "*.pdf"') do (
    set /p str=
    echo !str!=%%i
))<"%InFile%" >"%OutFile%"
move /y "%OutFile%" "%InFile%"
pauseCOPY

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回复 13# WBATW

@echo off
cd /d "%~dp0"
set "InFile=list.log"
set "OutFile=%temp%\list.log.new"
setlocal enabledelayedexpansion
(for /f "delims=" %%i in ('dir /b /a-d ^| findstr /v /c:"%InFile%" /c:"%0"') do (
    set /p str=
    echo !str!=%%i
))<"%InFile%" >"%OutFile%"
move /y "%OutFile%" "%InFile%" >nul
pauseCOPY

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回复 15# WBATW


1、list.log文件不要放进%temp%目录下，14楼的代码是要求list.log和bat文件在同一个目录下。
2、把@echo off删掉，再每一行下面都加上pause，看看是到哪一步出错的，报错信息是什么。