【练习-008】批处理实现文本内容横列变纵列
因为论坛会吞掉文本每行的第一个空格,现截图上来。[attach]1201[/attach]
每行的字符数都一样,但未知多少个字符。
注意,文本第三行r之后有一个空格。第四行x之后有一个空格。
输出为:
[attach]1202[/attach]
即横列变纵列,并保留原来空格。
要求,高效,不生成临时文件。
[[i] 本帖最后由 Batcher 于 2009-4-25 00:17 编辑 [/i]] [code]@echo off
setlocal enabledelayedexpansion
set /a num=-1
:main
set "ot="
set /a num+=1
for /f "delims=" %%a in (a.txt) do call :ie "%%a"
echo.%ot%
goto :main
:ie
set "var=%~1"
if "!var:~%num%,1!"=="" (pause&exit)
call,set "ot=!ot!%%var:~%num%,1%%"
goto :eof[/code] 我试了一下,这题能在5句之内解决。 @echo off&setlocal enabledelayedexpansion
for /l %%a in (0,1,10) do (
for /f "delims=" %%i in (a.txt) do (
set ke=%%i
set /p=!ke:~%%a,1!<nul
)
echo.
)
pause 4楼的代码够简洁,但仍不通用。
每行的字符数是未知的。 先贴一种方案吧:[code]@echo off&setlocal enabledelayedexpansion
set "n=0"&set "m=0"
:lp
for /f "delims=" %%+ in (1.txt) do (
set /a x+=1&set "str=%%+"
if "!str:~%n%,1!" equ "" (
set /a m+=1
if !m! equ !x! pause>nul&goto :eof
) else (
set /p=!str:~%n%,1!<nul
)
)
echo.&set /a n+=1,x=0&goto lp[/code] 再来段貌似高深的代码:[code]@echo off
for /f "delims=" %%. in (1.txt) do set "_=0"&set "..=%%."&call :{}
for /l %%+ in (1,1,%_%) do call,echo.%%..%%+%%
pause>nul&goto :eof
:{}
set "#=%..:~,1%"&call,set "..=%%..:~1%%"&set /a _+=1&call,set "..%_%=%%..%_%%%%#%"&if defined .. goto {}[/code]
说明下:
之所以写下这么一段怪异的代码,就是想告诉大家,只要你运用得得当,批处理真的是可以随心所欲地写,这也就
是其中乐趣所在了。。。
[[i] 本帖最后由 batman 于 2008-8-3 00:50 编辑 [/i]] 这道题并不难啊,大家都来锻炼下思维,踊跃答题啊! [code]@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%i in (a.txt) do set str=%%i&set/a n+=1,m=0&call:lp
for /l %%i in (0 1 %m%) do if not "!%%ip!"=="" echo !%%ip!
pause&goto :eof
:lp
set "%m%p=!%m%p!!str:~%m%,1!"
if not "!str:~%m%,1!"=="" set/a m+=1&goto lp[/code] 行的字符不同处理[code]@echo off&setlocal enabledelayedexpansion
set t=0
for /f "delims=" %%i in (a.txt) do set str=%%i&set/a n+=1,m=1&call:lp
for /l %%i in (1 1 %t%) do (
for /l %%j in (1 1 %n%) do if "!%%jp%%i!"=="" (set/p= <nul)else set/p=!%%jp%%i!<nul
echo.
)
pause&goto :eof
:lp
set "%n%p%m%=%str:~,1%"
set "str=%str:~1%"
if defined str set/a m+=1&goto lp
if %m% gtr %t% set/a t=m[/code]
第一题
发错了!还是先向别人学习[[i] 本帖最后由 sjzong 于 2009-4-24 18:38 编辑 [/i]] [code]@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%i in (a.txt) do (
set v=%%i
set n=0
call :lp
)
for /l %%i in (1 1 %n%) do (
set num=%%i
call,echo %%_!num!%%
)
pause&exit/b
:lp
set /a n+=1
set _%n%=!_%n%!%v:~0,1%
set v=%v:~1%
if not "%v%"=="" goto lp
goto :eof[/code] 回复batman
不是说我不想帮助别人,只是不知道怎么样去帮助别人。
我觉得自己的技术还不够成熟,怕给别人说错了,误导别人,这个责任我担不起。 [code]@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%i in (a.txt) do (set v=%%i&call :lp)
for /l %%i in (0 1 %n%) do (echo.!#%%i!)
pause&goto :eof
:lp
for /l %%a in (0,1,100) do (if "!v:~%%a,1!"=="" (set n=%%a&goto :eof) else (set #%%a=!#%%a!!v:~%%a,1!))[/code] 新人,来学习学习,支持楼主了,说实话看了就头大,吼吼 支持每行字符数不同[code]@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%a in (a.txt) do (set/a n+=1&set "_!n!=%%a")
:loop
for /l %%i in (1,1,%n%) do (
if defined _%%i (<nul set/p=!_%%i:~,1!&set _%%i=!_%%i:~1!) else (set/p= <nul)
)
echo/&for /l %%i in (1,1,%n%) do if defined _%%i goto loop
pause[/code] 看错题意,算了...
[[i] 本帖最后由 zm900612 于 2011-3-12 13:01 编辑 [/i]] 哈哈,这题么,全是单字节字符,正好用上cmd /u[code]@echo off&setlocal enabledelayedexpansion
find /v "" a.txt
echo 以下为纵横转换结果:
for /f "skip=1 delims=:" %%a in ('(type a.txt^&echo;^)^|findstr /o .*') do (
set /a ho=%%a-2,l=ho-last-2,last=ho,"max+=(max-l)*((max-l)>>31)"
set o=!o!!ho!
)
set n=1
for /f "delims=" %%a in ('cmd /u /c type a.txt^|more') do (
for /f "tokens=1,2" %%x in ("!n! !o!") do (
set .!n!=!.%%x!%%a
set /a n+=1,m+=1
if !m!==%%y (
for /l %%z in (!n! 1 %max%) do set ".%%z=!.%%z! "
set o=!o:* =!&set /a n=1,m+=2
)
)
)
for /l %%a in (1 1 %max%) do echo [!.%%a!]
pause[/code]
[[i] 本帖最后由 zm900612 于 2011-3-13 12:31 编辑 [/i]] 贴一个正统的解法
用到了临时文件
得亏事先造好了声势
可以不用偷偷摸摸了
楼主号称5句代码能够解题
等待瞻仰中……[code]@echo off & setlocal EnableDelayedExpansion
rem 重置可能影响程序的环境变量为空
for %%e in (lines context sizes cols) do set %%e=
rem 将所有文本行拼成一行,并统计行数
for /f "delims=" %%l in (a.txt) do set /a lines+=1&set "context=!context!%%l"
rem 获取文本总字节数,并依此计算列数和列边界
(echo %context%)>b.txt
for %%f in (b.txt) do set /a sizes=%%~zf-2,cols=sizes/lines,collimit=cols-1
rem 依照字符坐标转换,依次输出各列字符
for /l %%i in (0,1,%collimit%) do (
for /l %%j in (%%i,%cols%,%sizes%) do set/p=!context:~%%j,1!<nul
echo.
)
pause[/code] [code]@echo off
set /p char=<a.txt
set n=0
:o
if not "%char%"=="" (
set /a n+=1
set char=%char:~1%
goto :o
)
set /a n-=1
setlocal enabledelayedexpansion
for /l %%b in (0,1,%n%) do (
for /f "delims=" %%a in (a.txt) do (
set "str=%%a"
set str%%b=!str%%b!!str:~%%b,1!
)
echo !str%%b!
)
pause[/code] [code]
@echo off
Setlocal EnableDelayedExpansion
set maxlength=0
for /f "delims=" %%i in (a.txt) do (
call :len "%%i" length
set "number=!number! !length!"
set "list=!list!%%i"
)
for /l %%i in (1,1,%maxlength%) do (
set /a x=0
set "temp="
for %%j in (%number%) do (
set /a m=!x!+%%i-1
call set temp=!temp!%%list:~!m!,1%%
set /a x+=%%j
)
echo !temp!
)
exit
:len
set "strs=%~1" & set /a n=0
:loop
if defined strs (
set strs=%strs:~1%
set /a n+=1
goto:loop
)
if %maxlength% lss %n% (
set maxlength=%n%
)
set %2=%n%[/code]
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