Bash scripts can be used for various purposes, such as executing a shell command, running multiple commands together, customizing administrative tasks, performing task automation etc. So knowledge of bash programming basics is important for every Linux user. This article will help you to get the ...
Before we move on to the topic of bash scripting use cases, we need to elaborate on what bash and bash scripting are. Bash is acommand-line interface interpreterthat runs in a text window where users can manage and execute shell commands. Bash – or shell scripting – on the other hand ...
Using basename in bash script I showed some examples of the basename command. Let’s see a couple of examples of basename in bash scripts. Suppose you have a file path variable and you want to store the file name from the path in a variable. This could be a simple script: pathname="...
This lesson will cover Bash scripting in the bash shell. The Bash shell is the standard for Linux operating systems. Sample scripts are provided;...
Let’s make our bash scripts intelligent! In this part of the bash beginner series, you will learn how to use conditional statements in your bash scripts to make it behave differently in different scenarios and cases. This way you can build much more efficient bash scripts and you can also...
The Bash if statement is a fundamental construct that allows you to control the flow of your scripts based on specific conditions. By leveraging conditionals, such as numeric and string comparisons, and file and directory checks, you can create dynamic and responsive scripts. Additionally, nesting ...
These exercises are to test your general understanding of the shell scripting. My advise is first try to write this shell script yourself so that you understand how to put the concepts to work in real life scripts. For sample answer to exercise you can refer the shell script file supplied ...
In bash shell, when you use a dollar sign followed by a variable name, shell expands the variable with its value. This feature of shell is called parameter expansion. But parameter expansion has numerous other forms which allow you to expand a parameter and modify the value or substitute othe...
The else part needs to be placed after the operation parts of if and fi. Script #5: Multi-line comments You can use multi-line comments for shell scripts. DiskInternals Linux Reader will help your virtual machine and dual-boot If you’re running Linux on a dual-boot or virtual machine,...
The first line of your Bash scripts should always look like this: #!/bin/bash TheShebang command(#!/bin/bash) is essential as the shell uses it to decide how to run the script. In this case, it uses the Bash interpreter. Any line starting with a#symbol is a comment. The shebang ...