mangci

@echo off
setlocal enabledelayedexpansion
for /f "tokens=*" %%a in (a.txt) do (
    set var=%%a
    set change=!var:他娘的=TND!
    echo !change!>>b.txt
   
)
for /f "tokens=*" %%b in (b.txt) do (
    set change=%%b
set str=!change:TND=!
    echo !str!
)
pause>nul