Boolean Variables “True False” and Logical Operators in Bash
Boolean values like “true” and “false” are frequently used in Bash scripting to indicate success or failure. These variables work …
Bash Scripting
How to Divide Two Numbers in Bash [8 Easy Ways]
To divide two numbers in Bash use the following methods: Divide two integer variables x and y using expr command: …
Check If a Variable is Set or Not in Bash [4 Methods]
Setting a variable is a process that initializes the variable, assigning it a value that can be accessed and used …
Bash Files and Directories
Files and directories are fundamental components of the file system that can be interacted with through command-line operations in Bash. …
Bash Associative Arrays [Explained]
An Associative array in Bash is a robust data structure providing flexibility in data management. It can assign values to …
How to Use Regex in Bash If Condition? [4 Cases]
Regex or regular expression is a sequence of characters that specifies a search pattern. Matching with regex can be done …
Bash If-Else Condition in One-Line [2 Ways]
In the traditional approach of using if-else structures, you had to write a bunch of lines of code to execute …
Index Array in Bash [Explained]
An indexed array is a data structure that stores a collection of elements accessed by numerical indices. These arrays are …
How to Check If a Variable is Empty/Null in Bash? [4 Methods]
To check if a variable is empty or null in Bash, use -z, -n, equal comparison with if statement. In …
How to Sum Up Numbers in Bash [Explained With Examples]
Adding numbers is one of the basic math operations one needs to perform. In the Bash shell, there are a …
How to Use Bitwise “AND” Operator in Bash Script [2 Examples]
The bitwise AND operator in bash, represented by ‘&’, performs AND operation on corresponding bits of two numbers. It results …
Check If Array Contains an Element in Bash [6 Methods]
Bash arrays provide a powerful tool for storing multiple values in one variable. While dealing with arrays, determining whether a …
Remove Using ‘rm’ If Files Exist in Bash [6 Cases]
The ‘rm’ command is a powerful tool for deleting files, but when it comes to scenarios where the file’s existence …
Bitwise Operators in Bash Scripting
A bit is the smallest unit of data and stands for “binary digit.” It can hold either 0 or 1 …
How to Check a Boolean If True or False in Bash [Easy Guide]
Bash does not include any distinct Boolean data type, rather Boolean logic can be utilized by defining variables with integer …
How to Print an Array in Bash? [5 Cases]
You can use the following 5 methods to print an array in Bash: To print the entire array: ${your_array[@ or …
Arithmetic Operators in Bash
Arithmetic operators are operators that facilitate the evaluation of a desired mathematical expression. Bash shell supports a lot of arithmetic …
Usage of Ternary Operator in Bash [with 2 Examples]
A ternary operator is a concise way to express a conditional (if-else) statement in Bash. It’s called “ternary” because it …
Bash Test Operations in ‘If’ Statement
Bash test operation is a prominent way to use the built-in “test” command or the equivalent operator [ ] (square …
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, …
