If you stick to the concepts that I cover later, they will work across most flavors and Linux utilities. You don't need to ...

But it's important to know that you can supercharge file management in Linux from the command line by employing the grep command. With regex and grep, you can search for patterns in text files ...

Either way, it’s running Linux, and somewhere along the line of the development of whatever your USB stick smacked into, somebody used the Global Regular Expression Print utility- better known ...

Bash has quietly made scripting on Unix systems a lot easier with its ... Since version 3 (circa 2004), bash has a built-in regular expression comparison operator, represented by ...

Glob and Regex Conflicts I don't want this article to become a super ... Shawn is Associate Editor here at Linux Journal, and has been around Linux since the beginning. He has a passion for open ...

These are the formal rules for forming basic UNIX regular expressions ... In the rules RE stands for regular expression. 1.1 An ordinary character (not one of those discussed in 1.2 below) is a ...

They are not confined to the UNIX world, but they are certainly pervasive there. Regex engines are at least partially implemented in a host of common UNIX tools, including grep, awk, vi and Emacs.

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 ...