- @echo off
- for /f "delims=" %%i in (a.txt) do (
- if defined _%%i (echo 重复行:%%i)else set _%%i=i
- )
- pause
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- @echo off&setlocal enabledelayedexpansion
- for /f "delims=" %%i in ('sort a.txt') do (
- if "!str!"=="%%i" echo 重复行: %%i
- set "str=%%i"
- )
- pause
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