标题: [文本处理] BAT怎么批量删除文本指定行冒号后的内容 [打印本页]
作者: 326326 时间: 2012-8-7 17:00 标题: BAT怎么批量删除文本指定行冒号后的内容
BAT怎么批量删除文本指定行冒号后的内容
如:aa文件夹下有成千上万的文件
文件内容:
1.aaaaaa:aaaaaa
2.aaaaaaaaaaaa
3.aaaaaaaaaaaaa
4.aaaaa:aaaaaaaaaaa
5.aaaaaaaaaaaa
6.aaaaaaa.aaaaaaaaaaaa
7.aaaaa,aaaaaaaaaaaaaaa
8.aaaaaaaa:aaaaaaaaaaa
9.aaaaaaaa,aaaaa
假如删除第四行冒号后的内容
bat运行后内容改为:
1.aaaaaa:aaaaaa
2.aaaaaaaaaaaa
3.aaaaaaaaaaaaa
4.aaaaa
5.aaaaaaaaaaaa
6.aaaaaaa.aaaaaaaaaaaa
7.aaaaa,aaaaaaaaaaaaaaa
8.aaaaaaaa:aaaaaaaaaaa
9.aaaaaaaa,aaaaa
作者: 冷玉公子 时间: 2012-8-7 17:33
- @Echo Off&SetLocal EnableDelayedExpansion
- Set "Value=1" //定义一个递增的变量
- Set "Line=4" //定义要处理的行数
- For /F "tokens=1,* delims=:" %%A In (1.txt) Do (
- if !Value! Equ %Line% (Echo %%A)Else (Echo %%A:%%B)
- Set /A Value+=1
- )
- Pause>Nul
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作者: apang 时间: 2012-8-7 20:19
- @echo off
- for /f "delims=" %%a in ('dir /a-d /b *.txt') do (
- (for /f "usebackq delims=" %%b in ("%%a") do (
- set/a n+=1&set str=%%b
- setlocal enabledelayedexpansion
- if !n! neq 4 (echo,!str!
- ) else (
- for %%c in (":!str:*:=!") do echo,!str:%%~c=!
- )
- endlocal
- ))>$
- move $ "%%a"&set "n="
- )
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作者: Hello123World 时间: 2012-8-30 17:34
本帖最后由 Hello123World 于 2012-8-30 17:39 编辑
将该批处理放在aa文件夹里。- @echo off
- For /r %%i in (*.txt) do (sed -i '4 s/:.*//' "%%~fi")
- pause
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