The awk command provides a lot more than simply selecting fields from input strings, including pulling out columns of data, printing simple text evaluating content – even doing math.

Conclusion Linux’s command-line text-processing tools— awk, cut, and paste —are essential for anyone who works with large amounts of structured data. Whether you're extracting specific fields, ...

Finally, here’s an implementation of the “maybe” command that some Unix folks were laughing about some years ago. The maybe command will vary from “yes” to “no”.

Conclusion awk and sed are indispensable tools in the Linux command-line toolbox, each with its strengths and ideal use cases. Whether you're performing quick text substitutions with sed or extracting ...

Incidentally, you can do a lot of these command-line exercises almost as succinctly with perl one-liners, which is one reason why perl was so popular among Unix-heads back in the days.

From update and upgrade to touch and nano (or vi / emacs ), there are tons of Linux commands that are typically run together. That’s where chaining comes into play, as it lets you add a couple of ...

I love chaining commands as much as anyone, and sed, awk, grep, and perl are some of my best friends. However, remember that, in *nix, each command runs in its own process, the resources required ...