If you're writing a Bash script, you will invariably need to pass values to it—aka arguments or positional parameters. Bash's approach is a little clunky, but it works. Examples are the easiest way to ...

Bash functions are essentially reusable wrappers around commands. You can use them to define complex command pipelines or to perform some detailed work and echo the result. They accept arguments and ...

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t presume to tell you that ...

Bash scripting is a powerful tool for automating tasks on Linux and Unix-like systems. While it's well-known for managing file and process operations, arithmetic operations, such as division, play a ...

You need to package up a bunch of files, send them somewhere, and do something with them at the destination. It isn’t an uncommon scenario. The obvious answer is to create an archive — a zip or tar ...

Once a script is prepared and tested, you can get a significant task completed simply by typing the script's name followed by any required arguments. Developing scripts to handle your more complicated ...

Many bash scripts use arguments to control the commands that they will run and the information that will be provided to the people running them. This post examines a number of ways that you can verify ...

In this post I'll show you how to create a self extracting bash script to automate the installation of files on your system. This script requires coreutils (for cat, tail), awk, gzip, tar and bash.