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回复 3# solitude


    两个问题差不多，以下修改自 2 楼代码

@echo off
setlocal enabledelayedexpansion
(for /f "delims=" %%a in (b.txt) do (
    set /p str=
    echo,!str:日=%%a!
))<a.txt >c.txt
复制代码

顺便建议楼主下次举例最好简洁概括一点，来回滚屏对比样本很累...