@echo off
setlocal enabledelayedexpansion
for %%i in (*.txt) do (
    set n=0
    (for /f "delims=" %%j in (%%~si) do  (
        set /a n+=1
        if !n!==1 (
            <nul set /p=%%~ni,%%j,
        ) else if !n!==5 (
            echo %%j
        ) else if !n!==6 (
            set n=0
        ) else <nul set /p=%%j,
    ))>tmp
    move /y tmp "%%~fi"
)
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@echo off
setlocal enabledelayedexpansion
md "处理结果\" 2>nul
for /f "delims=" %%a in ('dir /b *.txt')do (
set n=0
(for /f "tokens=1* delims=," %%b in ('type "%%a"')do (
set "s=!s!%%c,"
set /a n+=1
if "!n!" equ "5" (echo,%%~na,!s:~,-1! & set n=0 & set s=)
))>"处理结果\%%a"
)
pause
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