[文本处理] [已解决]如何用批处理去除txt文本里每一行中相同的字符串

@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%a in (a.txt) do (
  for %%b in (%%a) do set .%%b=1
)
(for /f "delims=" %%a in (b.txt) do (
  for %%b in (%%a) do (
    if not defined .%%b set "str=!str! %%b"
  )
  if defined str echo,!str:~1!&set "str="
))>3.txt
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@echo off
setlocal enabledelayedexpansion
for /f "delims=" %%a in (b.txt) do (
   for %%b in (%%a) do (
      for /f "delims=" %%c in (a.txt) do (
         for %%d in (%%c) do (
            if "%%b" equ "%%d" (set /a n+=1)       
         )
         
      )
      if "!n!" equ "0" set "str=!str! %%b"
      set n=0
   )
   echo !str:~1!&echo.
)
pause
复制代码