Looping in bash is easy. You just use a for or a while statement. But, when you want to process a complete line of text from a file in each pass through the loop, you might have to work a little ...

Exploring data, one index at a time.

In our first tutorial on command line wizardry, we covered simple redirection and the basics of sed, awk, and grep. Today, we’re going to introduce the concepts of simple variable substitution and ...

This article will introduce the concept of playing a file line by line in Linux with the help of examples and best user tips. We'll walk you through some of the most common errors made when reading a ...