How to Wake Up a Sleeping Bash Script

Block comments can span multiple lines of code. In shell scripting, we can create block comments by enclosing the comments within the <<'EOF' and 'EOF' markers.

To make a .sh script wait for user input there are two ways to achieve this: using the read command and select command. Read this guide for more details.

To run a bash script in terminal there are four ways: through its path, through source, through sh command and through bash interpreter.

In Bash, to read column data of any text file one can use awk, line and print command by creating a while loop. Read more in this guide.

The dirname and readlink commands can be used to determine the directory of a bash script. Find an example to get bash script path in this guide.

You can create interactive scripts by taking input from the user during execution. It also helps you to manipulate the output as per the requirements.

Practical tutorial on the basic ways on how to take an input from a user in Bash script and how to mix and match these parameters to input the variable.

BC, which stands for Basic Calculator, is a command in Bash that is used to provide the functionality of a scientific calculator within a Bash script. This article shows you how to use BC in a Bash script.

There are various ways to accept data from the user in Bash scripts. Allowing participants to enter input, on the other hand, might cause some issues. The major difficulty is data integrity, which necessitates taking into consideration all potential inputs. Creating a multiple-choice panel for the Bash code is a simple way around all of this. How to create a Menu in Bash Script is explained in this article.

Sometimes, we have to quit your bash script upon some inconvenience. There are many methods to quit the bash script. The read statement is widely known to get input from the user. One of the many known methods to exit a bash script while writing is the simple shortcut key. How to exit a Bash Script is explained in this article.

In this tutorial, we will show you how to use various built-in PHP functions to encode text in PHP.

Commonly known as symlinks or soft links, a symbolic link is a particular file that points to another file or directory within any Filesystem. In this article, we’ll go over the basics of symbolic links in Linux and create a simple bash script to get the target of symbolic link.

When writing shell scripts, we may come across a situation where we need to know the size of a file. For example, you may need to use this size to perform other actions, such as moving the file to a different directory or deleting it. How to Get the Size of a File in a Bash Script is explained in this article.

$0 belongs to a different category of special variables in Bash, also known as positional parameters. These variables correspond to different values within a Bash script depending on their positions. . If the $0 special variable is used within a Bash script, it can be used to print its name, and if it is used directly within the terminal, it can be used to display the name of the current shell. What is $0 in a Bash Script is explained in this article.

The article provides guidance on what is $@ in a Bash script. The $@ Bash parameter is used to extend the positional arguments. This tutorial highlights the use $@ in the Bash script, how to declare the $@, how it works, and the differences between $@ and other dollar-related characters.

This article provides an easy step-by-step guide on how to run a Bash Script. This helpful tutorial highlights the process of running the Bash scripts in Ubuntu 20.04, the requirements of running a Bash Script efficiently, the importance of Shebang, and the four different methods of running the Bash scripts.

There are many ways to send email in Linux. Some common and easy ways to send email in Ubuntu operating system from the terminal is shown in this tutorial using bash scripts

The wait within a Bash script is introduced with the “sleep” command. The sleep command in Bash allows you to wait for as long as you want before doing any further processing. A client always initiates a connection request, whereas a server listens to this request. However, at times, a server might be busy processing other requests. How to Sleep in a Bash Script is explained in this article.

Software developers try their best to make the software programs bug-free. But it is hard to make a code faultless when there are thousands of lines. Debugging is an ongoing process; it helps in immediately detecting errors, gathering valuable information about code, and eliminating redundant code chunks. How to debug a bash script is explained in this article.

While a user is working bash script execution in a Linux system, different sets of bash commands need to be executed from the terminal window based on the various requirements. Variables are an essential feature of bash programming in which we assign a label or name to refer to other quantities: such as an arithmetic command or a value. The echo command is useful to display the variable’s output especially when you know the content of a variable will not cause any issue. In this article, how to echo a varia

Bash scripts are an effective means of increasing efficiency in programming. They also increase reusability to the fullest since when a Bash script is once written, can be executed for as many times as the user wants. Both the echo and the printf commands can be used to print a variable while using Bash In this article, the method of printing a variable using Bash is explained.

Bash is a very interesting programming language. It is a command-line interpreter as well. It has so many different aspects that can be explored for mastering oneself in Bash programming. In this article, the method of writing a variable to a file in Bash using Ubuntu 20.04 is explained.

With DNS, you no longer have to remember IP addresses. Instead, you have to just have to remember the domain name. Actually, on the backed, the DNS server takes the hostname and resolves it to an IP address which the browser or application then connects to. In this article, we will explain how to resolve a hostname/domain name to an IPv4 and IPv6 address in a Bash script.

Apart from being the default command-line interpreter for the Linux operating system, Bash is also a full-fledged programming language. This article shows beginning users the process for writing a simple Bash script in Linux Mint 20.