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In this article, we will look at some ways to replace text in a file. We will look at two different ways. Our first approach consists only of a batch script to perform the task, while the second approach provides a solution through Windows...

The default error message variable for built-in Bash scripts is called stderr. It is also called standard error and is the default output device for errors. Sometimes we have to redirect the error to an output channel. The Linux environment...

This article explains how to echo one or more tab characters when using Bash scripts. Echo Tab Character in Bash Script echo The command is simple: it prints whatever is passed to the terminal. Normally, if you save a variable as: example=...

It's almost impossible to find a developer who still doesn't use XML. It's a popular markup language that's widely used to structure and transmit data. This article will show how we can parse XML with Bash. We will discuss two libraries her...

In Bash scripts, we mainly use the syntax $1 $2 $3 ... $N to pass variables in functions. Here N is a non-negative integer such as 1, 2, 3, .... But there is a shortcut to accomplish the same task of passing all the arguments. This article...

This article will show you multiple ways to sum a list of numbers in a file using Bash scripts. The first method involves using the paste command, and we will discuss two cases: using an existing file and reading a file using standard input...

This article discusses methods for checking Bash scripts for syntax problems without running the script. Syntax errors are caused by some grammatical or spelling mistakes in the code. In modern compilers of other programming languages, the...

In various situations when using Bash or another shell, you may need to run a script or program in a new terminal instance or in another tab in the same terminal. Opening a new terminal instance or tab from within Terminal is simple; we'll...

This article is a simple guide to setting a timeout for a specific program using the timeout command from GNU's coreutils package in Bash. timeout command in Bash In many cases, such as fetching data from a server or running a function or p...

This article provides a brief introduction to Bash scripting and discusses exiting a Bash script when an error occurs. It further discusses the limitations and benefits of Bash scripting. What is Bash Scripting A computer script/program tel...

This article is about using strings as commands in Bash scripts. For this purpose, the eval command is used. Eval Command in Bash Scripts In some Bash scripts, you have to create a string using variables or input values ​​(for example)...

In this article, we will discuss how to create, delete, and edit bash profiles in macOS. Create .bash_profile To create .bash_profile, open a terminal and move to your home directory using the following command. cd ~/ Now you can create usi...

In this Bash article, we will learn different ways to get the absolute path in Linux. We will also learn some different Linux commands to get the absolute path of a file. Before we begin, we need to understand the basic concepts of absolute...

This article introduces error handling in bash. Remember, understanding exit codes, options such as errexit and trap allow us to build robust scripts and manage bash problems more effectively. Exit Codes in Bash Handling errors based on exi...

Cygwin allows Windows users to access certain Linux features and includes a large number of GNU and open source tools that are commonly found in popular Linux distributions. When using Cygwin, it is easy to encounter a command not found err...