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@echo off for /f %%a in (1.log) do set "a=%%a" for /f %%a in ('findstr /v "^$" 1.txt^|find /c /v ""') do set "b=%%a" set /a new=b-a if %%a neq %%b ( more +%a% 1.txt echo 新增%new%行 echo>1.log %b% ) 2>nul pause复制代码
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