中国DOS联盟

@echo off&setlocal enabledelayedexpansion
set/p p=请输入:
set str=abcdefghij
for /l %%i in (0 1 9) do set %%i=%%i&set/a !str:~%%i,1!=9-%%i
:lp
if defined p set .!%p:~,1%!=!%p:~,1%!&set p=!p:~1!&goto lp
   for /l %%i in (0 1 9) do (
       if defined .%%i (
       set var1=!var1!%%i&set/a _%%i=9-%%i
       call set var2=%%str:~!_%%i!,1%%!var2!
       )else set var1=!var1!#&set var2=#!var2!
   )
echo !var1! ^| !var2!
pause

@echo off
set/p input=请输入:
rem " .%input%" 中"." 为了防止纯单数字(1-9?) 输入出现错误
echo .%input%>%temp%\temp.txt
set string=0123456789abcdefghij
set num=
:pro1
set /a num+=1
set strtmp=%string:~0,1%%string:~-1%
set str%num%=##
rem 下面这句是 findstr [] 类方面的应用
findstr [%strtmp%] %temp%\temp.txt>nul&&set str%num%=%strtmp%
set string=%string:~1,-1%
if not defined string goto pro2
goto pro1

:pro2
setlocal enabledelayedexpansion
set str_1=x
for /l %%i in (1,1,%num%) do call set str_1=!str_1:~0,-1!%%str%%i%%
for /l %%i in (1,1,%num%) do call set str_2=%%str%%i%%!str_2:~1!
echo %str_1:~,-1% ^| %str_2:~1,-2%

pause

@echo off
set/p input=请输入:
set string=0123456789abcdefghij
set num=
:pro1
set /a num+=1
set strtmp=%string:~0,1%%string:~-1%
set str%num%=##
rem 下面这句是 findstr [] 类方面的应用
echo %input%|findstr [%strtmp%]>nul&&set str%num%=%strtmp%
set string=%string:~1,-1%
if not defined string goto pro2
goto pro1

:pro2
setlocal enabledelayedexpansion
set str_1=x
for /l %%i in (1,1,%num%) do call set str_1=!str_1:~0,-1!%%str%%i%%
for /l %%i in (1,1,%num%) do call set str_2=%%str%%i%%!str_2:~1!
echo %str_1:~,-1% ^| %str_2:~1,-2%

pause

@echo off&setlocal enabledelayedexpansion
set "str=0123456789abcdefghij"
set str1=!str!
:loop
set .!str:~0,1!=!str:~-1,1!
set .!str:~-1,1!=!str:~0,1!
set str=!str:~1,-1!
set /a nnn+=1
if defined str goto loop
for /f "tokens=2 delims==" %%a in ('set .') do set str1=!str1:%%a= %%a!

set /p num=请输入、可以不输入空格  &cls&set num=!num: =!
for %%i in (!str1!) do set num=!num:%%i= %%i!
for %%a in (!num!) do set num=!num! !.%%a!
for %%a in (!num!) do set _%%a=a
for %%a in (!str1!) do if defined _%%a (set var=!var!%%a) else set var=!var!#
echo.&echo !var:~0,%nnn%! !var:~%nnn%!
pause>nul