[文本处理] 批处理如何按章节分割文本？

@echo off
setlocal enabledelayedexpansion
for /f "delims=" %%j in (t.txt) do (
for /f "tokens=1" %%i in ("%%j") do (set r=%%i&set q=!r:~0,1!&set y=!r:~-1!
if "!q!!y!"=="第集" (set /a n+=1)
echo %%j>>!n!.txt)
)
pause
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