Encode and Decode with “base64” in Bash [6 Examples]
To encode and decode text files using base64 in Bash, use the following syntaxes: Encode text incorporating pipe command: echo …
Bash Scripting
A Complete Guide to Bash Regex
In Bash, Regex is the most powerful tool for pattern-matching and manipulation. Regex allows users to search, match, and manipulate …
[Explained] What Are “exit 0” and “exit 1” in Bash?
In Bash, using exit codes for effective script execution with robust error handling is a crucial step. Commands like exit …
How to Use OPTARG in Bash [3 Practical Examples]
The getopts (get options) is a built-in command Bash shell. The OPTARG variable in Bash is one of the few …
[Fixed] “bash: sudo: command not found” Error
When you are trying to install a new Linux Desktop or Virtual Machine, you might get the error “sudo: command …
How to Return Array From Bash Function? [7 Methods]
To return an array from the function in Bash, use the following methods: Using Global Variable: my_function() declare my_array { …
How to Get the First Character from Bash String? [8 Methods]
In Bash scripting, extracting or getting the character is important for formatting and analyzing strings such as to validate, parse, …
Bash “wait” Command in Process Management [6 Examples]
Using the “wait” command in Bash implies pausing the execution of a script until the background processes or jobs are …
[SOLVED] “/bin/bash^M: bad interpreter: No such file or directory” Error
The error “/bin/bash^M: bad interpreter: No such file or directory” indicates a problem with line endings in the script. The …
Unset Bash Function Using “unset” Command [3 Examples]
In bash scripting managing variables and functions is essential for maintaining a clean and organized environment. The unset command serves …
[4 Methods] How to Check Exit Code in Bash?
Checking the exit code in Bash is a vital task to determine the success or failure of scripts. It leverages …
How to Pass Array as an Argument in Bash Function? [3 Ways]
To pass an array as an argument to a Bash function use the following techniques 1. Pass My_array as an …
[Solved] “bash: code: command not found” Error
The “code: command not found” error in Bash indicates that the VS Code is either not installed or inaccessible. To …
Usage of “exit” Command in Bash [Explained]
While working with Bash scripts, sometimes it may be necessary to terminate the script that provides a smooth way to …
Bash Empty Function [A Complete Guide]
The bash function serves as a cornerstone in the world of bash scripting. Within the framework of bash function, the …
How to Return Boolean From Bash Function [6 Methods]
To return a boolean from the function in Bash, use the following methods: Using “return” Statement: my_function() { if return …
How to Set Exit Codes in Bash? [An Easy Guide]
Exit codes are integer numbers from 0-255 used to indicate whether a script has run successfully or not. Effective process …
How to Truncate String in Bash? [5 Methods]
Truncate refers to making something shorter. In bash scripting, it means cutting the length or size of an input string …
[Solved] “bash: node: command not found” Error
The “node: command not found” error in Bash indicates that the Node.js is either not installed or inaccessible. To fix …
How to Use “if” Statement in Bash Function [7 Examples]
The combination of the “if” conditional statement and functions in bash scripting enhances the script’s flexibility and modularity. When used …
