shqf

@echo off&setlocal enabledelayedexpansion
>b.txt cd.
for /f "usebackq delims=" %%i in (`more a.txt`) do (set "numbers_old=!numbers_old! %%i")
for %%i in (%numbers_old%) do (
  set number=0000%%i
  set number=!number:~-4!
  set _!number!=%%i
)
for /f "tokens=2 delims==" %%i in ('set _') do (
  for %%j in (%%i) do set "numbers_new=!numbers_new! %%j"
)
for %%i in (%numbers_new%) do (
  set /p=%%i <nul >>b.txt
  set /a n+=1
  if !n! equ 6 echo.>>b.txt&set /a n=0
)
start b.txt
exit
复制代码

说明一下：为此题学习了随风的排序函数，也终于搞懂了这个函数。学习了他的思路，不要分数，凑个热闹、搞点人气而已。

[ 本帖最后由 shqf 于 2009-2-26 12:57 编辑 ]

shqf

@echo off
setlocal EnableDelayedExpansion
>1.txt cd.&>b.txt cd.
for /f "usebackq delims=" %%i in (`more a.txt`) do (
  for %%j in (%%i)do (
    set "number=   %%j"
    echo !number:~-4!>>1.txt
  )
)
for /f "usebackq" %%i in (`sort 1.txt`) do (
  set /p=%%i <nul >>b.txt
  set /a n+=1
  if !n! equ 6 echo.>>b.txt&set /a n=0
)
start b.txt
del 1.txt
exit
复制代码

哈，我再来一个。这样的题蛮有意思。