----------------------
aaa bbb
[abcd]
aaa bbb
cc dd
---------------------
aaa bbb
[abcd]
aaa bbb
cc dd
---------------------
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中国DOS联盟论坛 » DOS批处理 & 脚本技术（批处理室） » New space deletion problem??
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Original Poster
Posted 2008-05-29 20:00 · 中国 辽宁 本溪 中移铁通
Floor 2
Posted 2008-05-29 20:17 · 中国 湖南 株洲 电信
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```
@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%i in (1.txt) do (
set str=%%i
if "!str!" equ "" (
echo.&echo !str!
) else (
echo !str!
)
)
pause>nul
```
@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%i in (1.txt) do (
set str=%%i
if "!str!" equ "" (
echo.&echo !str!
) else (
echo !str!
)
)
pause>nul
```
批处理之家新域名：www.bathome.net
Floor 3
Posted 2008-05-29 20:26 · 中国 辽宁 本溪 中移铁通
Can the "" be replaced with something universal? Because there are also , , etc. How to obtain "
Floor 4
Posted 2008-05-29 20:27 · 中国 重庆 电信
I found a more concise one:
@echo off
for /f "delims=" %%i in (1.txt) do (
if %%i== echo.
echo %%i
)
pause>nul
Floor 5
Posted 2008-05-29 20:30 · 中国 湖南 娄底 电信
```
@echo off
for /f "delims=" %%a in (a.txt) do (
if "%%a"=="" echo.
echo %%a
)
pause
```
@echo off
for /f "delims=" %%a in (a.txt) do (
if "%%a"=="" echo.
echo %%a
)
pause
```
致精致简！
Floor 6
Posted 2008-05-29 20:32 · 中国 湖南 娄底 电信
Oh, after posting, I found out I'm on the 5th floor. I thought I was on the 3rd floor? It's exactly the same as the 4th floor. Haha...
致精致简！
Floor 7
Posted 2008-05-29 20:41 · 中国 重庆 电信
I'm still missing four quotation marks, heh heh........
Floor 8
Posted 2008-05-29 20:47 · 中国 辽宁 本溪 中移铁通
[abcd] This is not just one, there are also [efgh], [ijk] and so on. If there are dozens of []s, it's too cumbersome to add them one by one.
Floor 9
Posted 2008-05-29 20:51 · 中国 重庆 电信
The situation mentioned by the person upstairs still needs to be analyzed on a case-by-case basis.
Floor 10
Posted 2008-05-29 21:16 · 中国 辽宁 本溪 中移铁通
Can't we just make a judgment based on [? If there is [, leave a blank line above it
Floor 11
Posted 2008-05-29 21:20 · 中国 重庆 电信
If the first character of the line is '
@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%i in (1.txt) do (
set "str=%%i"
if "!str:~0,1!"=="
[ Last edited by WANKOILZ on 2008-5-29 at 09:22 PM ]
@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%i in (1.txt) do (
set "str=%%i"
if "!str:~0,1!"=="
[ Last edited by WANKOILZ on 2008-5-29 at 09:22 PM ]
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| Rater | Score | Time |
|---|---|---|
| amio | +2 | 2008-05-29 21:37 |
Floor 12
Posted 2008-05-29 21:24 · 中国 四川 成都 电信
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```@echo off
for /f "delims=" %%i in (1.txt) do (
echo %%i|findstr "^$">nul&&echo.
echo %%i
)
pause>nul
for /f "delims=" %%i in (1.txt) do (
echo %%i|findstr "^$">nul&&echo.
echo %%i
)
pause>nul
Floor 13
Posted 2008-05-29 21:35 · 中国 湖南 娄底 电信
Originally posted by zqz0012005 at 2008-5-29 21:24:
@echo off
for /f "delims=" %%i in (1.txt) do (
echo %%i|findstr "^$">nul&&echo.
echo %%i
)
pause>nul
Hehe, the one upstairs really has an efficiency problem.
致精致简！
Floor 14
Posted 2008-05-29 21:39 · 中国 辽宁 本溪 中移铁通
Originally posted by 26933062 at 2008-5-29 09:35 PM:
Hehe, the one upstairs really has an efficiency issue.
That one I tried doesn't work at all.
Floor 15
Posted 2008-05-29 21:49 · 中国 辽宁 本溪 中移铁通
There is another question. If there are spaces in front of each line, also delete them?
aaaaaaa
bbbbbbbbb
-----------------
aaaaaaa
bbbbbbbbb
aaaaaaa
bbbbbbbbb
-----------------
aaaaaaa
bbbbbbbbb
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