@echo off
setlocal enabledelayedexpansion
:: 第二次提取文件名并追加到list.log，与第一次提取的文件名对应成列格式
set count=1
for %%f in (*.pdf) do (
    if !count! equ 1 (
        set "secondFile=%%~nxf"
        echo, "%%f"
        echo !firstFile!=!secondFile!>>list.log
    )
        set /a !count!+=1
)
echo 文件名已追加到list.log
endlocal
pause
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@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%"
pause
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@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
pause
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