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 ...

python-decorator-3.4.0-3.el7.noarch python-syspurpose-1.24.48-1.el7.centos.x86_64 python2-pyasn1-0.1.9-7.el7.noarch python-requestbuilder-0.7.1-1.el7.noarch python-pycparser-2.14-1.el7.noarch ...

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 ...

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 ...

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 ...

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 ...

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 ...

If you've been a Linix/UNIX user for a long time you surely know what RTFM means (Read The *bleep* Manual). I'd like to offer up a new, related acronym, RRTFM, for Re-Read The *bleep* Manual. My first ...