The bash shell provides numerous ways to loop through data to make your work – especially scripting challenges – easier. You can loop through a pile of data so you can get a lot done just by ...

Using break 2, for example, would cause the script to exit both the current loop and the outer loop. The diagram below illustrates this. Notice how the break command exits both loops.

Now that we know how for loops, while read loops, $(), and variables all work, let's look at one real-world example of how I use them in daily practice—deleting a range of ZFS snapshots.

Hey,<BR><BR>I've got a script that runs a program in a loop. The program writes a file, and the script extracts a value out of that file. If the value doesn't meet the criteria, the loop continues ...

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 ...