545810831

@echo off&setlocal enabledelayedexpansion 
for /f "tokens=1,2 delims=:" %%i in ('findstr /n /vg:2.txt 1.txt') do  set _%%i=%%j&set m=%%i
:sta
set /a n+=1
if defined  _%n% (echo !_%n%!) else echo 有重复
if !n! lss !m! goto sta 
pause
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