不清楚你的实际文件/情况，仅以问题中的样例说明及猜测为据；以下代码复制粘贴到记事本，另存为xx.bat，编码选ANSI，跟要处理的文件或文件夹放一起双击运行@echo off&cd /d "%~dp0"
rem 对当前目录里的多个nc文件内的每一行内容下面插入一行指定内容
set #=Any question&set _=WX&set $=Q&set/az=0x53b7e0b4
title %#% +%$%%$%/%_% %z%
set "newfolder=result"
if not exist "%newfolder%" md "%newfolder%"
for /f "delims=" %%a in ('dir /a-d-h/b *.nc') do (
echo;"%%~nxa"
(for /f "delims=" %%b in ('type "%%a"') do (
echo;%%b
echo;MP98P1010
))>"%newfolder%\%%~nxa"
)
echo;%#% +%$%%$%/%_% %z%
pause
exit