rat

@echo off & setlocal enabledelayedexpansion
for /f "delims=" %%a in (a.txt) do (
  for %%b in (%%a) do (
    call :p %%b
  )
)
for /l %%i in (0,1,9) do (
  if defined f%%i (
    call :sortstr str%%i newstr
    echo !newstr!
  )
)
pause
goto :eof
 
 
 
:p
set s=%1
for /l %%i in (0,1,9) do (
  if "!s:~-1!"=="%%i" (
    if not defined f%%i2 set f%%i2=1&set str%%i=%%i
    set str%%i=!str%%i! %%b
    if not defined f%%i set f%%i=1
    goto :eof
  )
)
goto :eof
 
:sortstr
setlocal
for %%a in (!%1!) do (
	set/ajj+=1
	set s!jj!=%%a
)
call :sort s %jj%
for /l %%a in (1,1,%jj%) do (
	set ss=!ss! !s%%a!
)
endlocal&set %2=%ss%&goto :eof
 
:sort arrname %ubound%
set a=%1&set u=%2&set i=2
:sort_1
if %i% gtr %u% goto :eof
set /a %a%0=%a%%i%,j=i-1
:sort_2
if !%a%0! lss !%a%%j%! (
	set /a k=j+1
	set /a %a%!k!=%a%%j%,j-=1
	goto sort_2
)
set /a k=j+1
set /a %a%%k%=%a%0,i+=1
goto sort_1COPY

rat

js有个sort方法

rat

写错了，效率挺好的，学习