你是否遇到过需要在文件中查找一个特定的字符串或者样式，但是不知道从哪儿开始？那么,就请grep来帮你吧。 grep是每个Linux发行版都预装的一个强有力的文件模式搜索工具。无论何种原因，如果你的系统没有预装它的话，你可以很容易的通过系统的包管理器来 ...

awk、grep、sed是linux操作文本的三大利器，合称文本三剑客，也是必须掌握的linux命令之一。三者的功能都是处理文本，但侧重点各不相同，其中属awk功能最强大，但也最复杂。grep更适合单纯的查找或匹配文本，sed更适合编辑匹配到的文本，awk更适合格式化文本 ...

The everlastingly useful grep command can change its character with the flip of a switch to help you find things. The grep command – likely one of the first ten commands that every Unix user comes to ...

正则表达式（Regular Expression）是用于描述一组字符串特征的模式，用来匹配特定的字符串。通过特殊字符＋普通字符来进行模式描述，从而达到文本匹配目的工具 正则表达式（Regular Expression） 是用于描述一组字符串特征的模式，用来匹配特定的字符串。通过 ...

这篇文章主要介绍了linux grep不区分大小写查找字符串方法,需要的朋友可以参考下 grep用来过滤字符串信息，grep默认对字母大小写敏感，不过可以通过选项对grep屏蔽大小写敏感，该选项为 -i。

grep is a command-line utility for searching plain-text data sets for lines that match a regular expression. Created in the early days of Unix, it has become a cornerstone of text processing in Linux ...

Have a quick question that I think the powers of Ars can solve. I have an existing linux log parsing script that is working fine but I want to add new functionality to it. Given the following 2 log ...

With some funding from Google and the U.S. Energy Department, a pair of computer scientists at Dartmouth University are updating the venerable grep and diff Unix command line utilities to handle more ...

7 deprecated Linux commands you need to stop using - and what to use instead ...