How to List and Set Bash Environment Variables? [3 Methods]
Environment variables are dynamic named values that can affect the way running processes behave. To list environment variables in Bash, …
using variables in bash
Variable Substitution in Bash [Replace Character & Substring]
Bash programmers do the replacement, the substitution, and the removal of the bash variable too often. It helps them print …
How to Multiply Variable in Bash [6+ Practical Examples]
To multiply variable in Bash, you can follow these steps: Firstly, initialize two variables. After that, multiply the two variables …
How to Subtract Two Bash Variables? [4+ Easy Approaches]
Subtraction is one of the most common yet important mathematical operations on Bash variables. When Bash programmers work with data …
Addition of Bash Variables [4+ Examples]
Addition is one of the most basic arithmetic operations. In data processing, programmers need to add variables to make calculations …
Adding 1 to Bash Variable [3 Examples]
While Bash offers an extensive array of functions and features, it’s often the fundamental operations that form the building blocks …
Decrement Variable Value in Bash Scripts [4+ Examples]
The decrement operation on the bash variable is the tool for repetitive operations for a specific time. Basically, decrement means …
Increment Variable Value in Bash Scripts [4+ Examples]
The increment of the Bash variable means increasing the value of a variable. It is an important technique for the …
Compare Variables in Bash Scripts [3 Practical Cases]
The bash variable holds important data that carries vital information. Sometimes programmers might need to compare bash variables for processing …
How to Write Bash Variable to a File? [3 Effective Methods]
Variables are the most important part of a Bash script. They can store important data, manipulate data, and do the …
How to Read a File Into Bash Variable? [2 Simple Methods]
Reading a file into a variable carries an important potential in the Linux ecosystem due to its pivotal role in …
How to Set Bash “$PATH” Variable? [Easiest Configuration]
The $PATH variable is one of the most important environment variables in Linux. It stores the path of the directories. …
How to Store Command Output to Bash Variable? [3 Examples]
Efficiency is an essential criterion of practical shell scripting, and a fundamental aspect of this is the skill of storing …
2 Cases to Execute Command Stored in Bash Variable
Bash programmers can incorporate various commands into the bash script. The commands help programmers to achieve the target task. Sometimes …
2 Ways to Unset Environment Variables Using Bash Script
Environment variables play a crucial role in managing system configurations and influencing the behavior of programs in Unix-like operating systems. …
5 Methods to Check If Environment Variable is Set in Bash
To check if an environment variable is set in Bash, you can use the following methods: Using the “if” Conditional …
How to Append String to Bash Variable? [2 Effective Ways]
The Bash shell offers a wealth of capabilities for scripting and automation, and one common task is appending strings to …
How to Check If Bash Variable Exists? [2 Effective Methods]
Bash (Bourne Again SHell) is a widely-used command line interface for Unix-like systems. Working with Bash variables is crucial for …
How To Check if Bash Variable is Empty? [2 Easy Methods]
Programmers work with several variables in the Bash scripts. So verifying whether a variable is empty or not is a …
How to Use String Variables in Bash Script? [4 Cases]
Bash (Bourne Again SHell) scripting is renowned for its versatility and power in automation tasks. Effective string manipulation within Bash …
