[文本处理] [已解决]批处理如何找出两个文本内容不相同的部分。

@echo off
for /f "delims=" %%a in ('type "a.txt"') do set %%a=def
(for /f "delims=" %%b in ('type "b.txt"') do if not defined %%b echo,%%b)>"c.txt"
pause
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findstr /v /x /g:a.txt b.txt > c.txt
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@echo off
setlocal enabledelayedexpansion
for /f "delims=" %%a in ('type "a.txt"') do (
set "str=%%a"
set "str=!str: =!"
set "$=!str!#"
set len=&for %%z in (4096 2048 1024 512 256 128 64 32 16) do if !$:~%%z^,1!. neq . set/a len+=%%z&set $=!$:~%%z!
set $=!$!fedcba9876543210 & set/a len+=0x!$:~16,1! &set/a len-=1
for /l %%i in (0 1 !len!) do set _"!str:~%%i,1!"=Def
)

(for /f "delims=" %%a in ('type "b.txt"') do (
set "str=%%a"
set "str=!str: =!"
set "$=!str!#"
set len=&for %%z in (4096 2048 1024 512 256 128 64 32 16) do if !$:~%%z^,1!. neq . set/a len+=%%z&set $=!$:~%%z!
set $=!$!fedcba9876543210 & set/a len+=0x!$:~16,1! &set/a len-=1
for /l %%i in (0 1 !len!) do (
if not defined _"!str:~%%i,1!" set/p=!str:~%%i,1!<nul
)
echo,
))>"c.txt"
pause
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