xxpinqz

@echo off&setlocal enabledelayedexpansion
md "%~dp0new" 2>nul
set 句号=2
for /f "delims=" %%a in ('dir /b *.txt') do (
    set n=0
    (for /f "delims=" %%b in ('type "%%a"') do (
        set "str=%%b"
        if not "!str:。=!"=="%%b" set/a n+=1
        if !n!==%句号% (
        	echo,%%b&echo,&set n=0
        ) else echo,%%b
    ))>tmp
more tmp>"new\%%a"
)
echo 文件已保存在new文件夹&del tmp&pause
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