Bash

6 Guides Available

Advanced Bash Scripting: Part 2

The previous part of this guide, Guide to Advanced Bash Scripting: Part 1, describes the advanced Bash scripting concepts of Bash functions, list constructs, arrays, aliases, and regular expressions. This guide, the second part of this series, explains more advanced topics, including documents, Bash I/O redirection, subshells, restricted shells, process substitution, indirect references, and network programming. As well, this guide covers some Bash debugging techniques. If you’re new to Bash, check out our Introduction to Bash Shell Scripting and Intermediate Guide to Bash Scripting before you begin this guide.

Use the Shebang in Bash and Python

A Shebang directive, which always begins with the sequence #!, can sometimes be found on the first line of a Bash or Python script. In a Linux environment, the Shebang functions as an interpreter directive. This guide explains what a Shebang is and what advantages it provides. It also describes how to use a Shebang inside a Bash or Python script.

Advanced Bash Scripting: Part 1

This guide expands extends the Introduction to Bash Shell Scripting guide and our Intermediate Guide to Bash Shell Scripting guide by demonstrating the use of Bash functions, list constructs, arrays, aliases, and regular expressions.

Continuing with Bash Scripting

In the previous guide of this series, Getting Started with Bash Scripting, you learned Bash basics, like creating and using variables, getting user input, using environment variables, and more. In this guide, you will build off what you have already learned and put together more complex Bash scripts for common operations used by Linux system administrators like creating interactive Bash scripts with menu options, scripts that generate formatted output of your data, and scripts that work with files and directories. Each section will provide a brief introduction to each concept and commands with a few examples that you can run to better understand its function.

Introduction to Bash Shell Scripting

Introduction

This guide is an introduction to bash shell programming. Bash shell programming empowers Linux users to take programmatic control over the Linux operating system. The bash shell provides a number of concepts common to many other programming languages, so if you know another language then you should be able to pick up bash with relative ease.

A Tutorial for Solving Real World Problems with Bash Scripts

Introduction

This guide presents some of the advanced capabilities of the bash shell by showing practical and fully functional bash scripts. It also illustrates how you can work with dates and times in bash scripts and how to write and use functions in bash.

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