@echo off
chcp 65001
for /f "usebackq delims=" %%a in ("yuanshi.txt") do (
        set _"%%a"=1
)
(for /f "usebackq delims=" %%a in ("new.txt") do (
        if not defined _"%%a" (
                echo %%a
                set /a n+=1
        )
))>new.xxx
move /y new.xxx new.txt
echo %n%
pause
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gawk "NR==FNR{a[$0]++;next}!a[$0]++" yuanshi.txt new.txt>out.txt
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@echo off
call :diff "yuanshi.txt" "new.txt"
pause&exit
:diff
echo,>>%1&echo,>>%2
for %%i in (%1 %2) do (
    fsutil file creATenew "new_%%~i" %%~zi >nul
    (for /f "tokens=2" %%a in ('fc /b %%i "new_%%~i" ^| findstr /irc:"[0-9A-F]*: [0-9A-F][0-9A-F] 00"') do (
        set /p=%%a
        if /i "%%a"=="0A" echo,
        ))<nul >"new-%%~i"
    del "new_%%~i"
    )
findstr /ivxg:"new-%~1" "new-%~2" >result.txt
del "new-%~1" "new-%~2"
certutil -decodehex -f result.txt result.txt
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