Brad Morton

Bash/Shell scripts usually run sequentially until all of the code in the file has been executed. The exit command will exit the script before this based on conditions of your choosing. exit Command Syntax Here’s the syntax for the exit command, which can be used in Bash/Shell scripts: exit STATUS Note that: STATUS is an optional parameter that sets the exit status of the script The exit status tells other programs whether the script executed successfully or not It will default to either 0 or the exit status of the last command executed by … Read more

We’ve covered using variables in Bash previously – this article will explain Bash array variables and provide some example usage. What is an Array An array is a type of variable that can hold multiple values. It’s a list of values you can loop through and perform operations on each individual value. For example, you might want to perform an action on a list of files. By storing that list as an array, you can loop through the file names in it and perform the action on each … Read more

This article will explain what the $@ is in Bash and Bash/Shell scripting and how and why you might use it. The $@ variable is a special variable in Bash which holds the value of all of the command line arguments/parameters passed to the script. Command Line Arguments/Parameters in Bash Using command-line arguments/parameters in shell scripts is an important and useful feature, so we have a full article on it: This article follows on from our article on Command Line Arguments in Shell/Bash Scripts $@ Contains All Parameters/Arguments Passed to … Read more