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In programming languages, the length or size of a data type plays an important role. It helps in list traversal and facilitates the extraction of useful information. The length is especially important when performing tasks that require trav...

This article will discuss string to integer conversion in Bash script. First, we will discuss the math operations on strings and then we will see how to convert a string to an integer. Mathematical operations on strings Let's start our disc...

In this article, we will explain string comparison in Bash using if statement. The shell program that runs in Linux and provides a command line interface for users to execute different commands is called Bash shell. It is also used as the d...

A common operation involving string literals is replacing individual characters or substrings within the string with other characters or substrings. In this article, we will look at several ways to do string replacement using the BASH shell...

Since Bash does not handle arrays, returning an array can be a bit difficult. However, it is possible to overcome this limitation by returning an array from a function using a global variable or a command substitution workaround. This artic...

This article will explain how to get file creation date/time in Bash. We will start our discussion with a brief introduction to file creation in the old system. Later we will learn about creating files in Bash. Finally, we will discuss diff...

Pattern matching is a powerful feature in Bash that allows you to compare a string to a pattern to find a match or perform an action based on the result of the comparison. This is useful in situations such as checking the format of a string...

Removing the first character of a string can be tricky in Bash because there is no built-in function that can do this directly. However, there are several ways to achieve this, such as using the sed command, the cut command, or substring pa...

This article explains how to remove newlines from a string in Bash. Creating a string with newlines in Bash Sometimes, it is required that a string does not have newline characters in it. Bash provides several methods to remove newline char...

This article will discuss different ways to split a string into variables in Bash. We will start our discussion with a brief introduction to strings. Later, we will discuss various ways to split a string using Bash examples. Strings in Bash...

This article is all about using functions in Bash scripts and passing arrays to them. Before getting into the actual topic, we will give a brief introduction to Bash scripting. A Bash script file contains a series of Bash commands. These co...

Arrays are a common part of any programming language. In Bash scripts, you can also use arrays; you can declare, modify, and manipulate arrays. But in this article, we will see step by step how to declare an array and add new data to it. We...

Multidimensional array is a very important element for any program. It is mainly used to create table view of data and many other purposes. This article demonstrates how to create a two-dimensional array. In addition, we will discuss the to...

Sorting an array is a very common task in any programming language. In Bash scripting, we can also accomplish this task in two different ways. The first one uses any sorting algorithm and the second one uses a built-in keyword in Bash scrip...

This article explains how to use the md5sum command in Bash. Bash md5sum command md5sum command prints the 32 character and 128 bit checksum of a given file. This command converts the file into a hash using the MD5 algorithm; the syntax of...