77七

@echo off
set n=101
for /f "delims=" %%i in ('dir /b /a-d *.txt') do (
	setlocal
	for /f "useback delims=" %%a in ("%%i") do (
		if "%%a" equ "A" (
			if exist "%%~ni文档%n:~-2%.txt" (
				set /a n+=1
			)
			set str=123456%%a
		) else (
			set str=%%a
		)
		setlocal enabledelayedexpansion
		>>"%%~ni文档!n:~-2!.txt" echo !str!
		endlocal
	)
	endlocal
)
pause
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77七

回复 3# zllk

@echo off
set n=101
for /f "delims=" %%i in ('dir /b /a-d *.txt') do (
	setlocal
	for /f "tokens=1* delims=[]" %%a in ('find /n /v "" ^<"%%i"') do (
		if "%%b" equ "A" (
			if exist "%%~ni.文档%n:~-2%.txt" (
				set /a n+=1
			)
			set str=C
		) else (
			set str=%%b
		)
		setlocal enabledelayedexpansion
		>>"%%~ni.文档!n:~-2!.txt" echo=!str!
		endlocal
	)
	endlocal
)
pause
复制代码

77七

回复 6# zllk


   已在4楼修改。