- @echo off&setlocal enabledelayedexpansion
- set n=-1
- for /f "tokens=*" %%a in (a.txt) do (
- set str=%%a
- set t=!t!!str:~,1!
- set w=!w!!str:~-1!
- set t!str:~,1!=%%a
- set w!str:~-1!=%%a
- set/a n+=1
- )
- for /l %%a in (0,1,!n!) do for %%b in ("!t:~%%a,1!") do (
- if "!w:%%~b=!" neq "!w!" for %%c in ("!t%%~b:~-1!") do set w=%%~c!w:%%~c=!
- )
-
- for /l %%a in (0,1,!n!) do for %%b in ("!w:~%%a,1!") do echo;!w%%~b!
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