If you consider yourself a good cook, you may or may not know how to make a souffle or baklava. But there are certain things you probably do know how to do that form the basis of many recipes. For ...

Regular expressions — the things you feed to programs like grep — are a bit like riding a bike. It seems impossible until you learn to do it, and then it’s easy. Part of their bad reputation is ...

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 ...

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 ...

The grep command can search for and list Linux files based on strings you are looking for and add the context of surrounding text. The grep command can help you find Linux files containing the string ...

Carrying over from yesterday’s examination of the Ubuntu command line, today’s installment of 30 Days With Ubuntu Linux is dedicated to ‘man’ and ‘grep’. These commands wield significant power, and ...

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 ...

Bash has quietly made scripting on Unix systems a lot easier with its own regular expressions. If you're still leaning on grep and sed commands to get your scripts to do what you need from them, maybe ...