---

@ECHO OFF
SET TxtDir="%~dp0"
SET /A N=2
ECHO
ECHO
ECHO ...
CD /D %TxtDir%
FOR /F "tokens=1 delims=" %%I IN ('DIR /A /B *.txt') DO ((MORE +%N% "%%I">"%%I_")&(DEL /A /F /Q "%%I")&(REN "%%I_" "%%I"))
ECHO
PAUSE
注意：会清空同文件夹内的txt内容







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