Mastering Linux Shell Scripting Book PDF, ePub eBook

Join our eBook service for unlimited books & audiobooks. Get a free 7 day subscription! ↓↓↓↓↓


Book Descriptions:

Key Features

• Identify the high level steps such as verifying user input, using command lines and conditional statements in creating and executing simple shell scripts
• Create and edit dynamic shell scripts to manage complex and repetitive tasks
• Learn about scripting in Perl and programming in Python as a BASH scripting alternative with this practical, step-by-step guide

Book Description

Shell scripting is a quick method to prototype a complex application or a problem by automating tasks when working on Linux-based systems. Using both simple one-line commands and command sequences complex problems can be solved with ease, from text processing to backing up sysadmin tools.

In this book, you'll discover everything you need to know to master shell scripting and make informed choices about the elements you employ. Get to grips with the fundamentals of creating and running a script in normal mode, and in debug mode. Learn about various conditional statements' code snippets, and realize the power of repetition and loops in your shell script. Implement functions and edit files using the Stream Editor, script in Perl, program in Python – as well as complete coverage of other scripting languages to ensure you can choose the best tool for your project.

What you will learn

• Use the type command to identify the order of command evaluation
• Create interactive scripts that prompt for user input
• Foster menu structures for operators with little command-line experience
• Develop scripts that dynamically edit web configuration files to produce a new virtual host
• Write scripts that use AWK to search and reports on log files
• Draft effective scripts using functions as building blocks, reducing maintenance and build time
• Make informed choices by comparing different script languages such as Perl and Python with BASH

About the Author

Andrew Mallett is the owner of The Urban Penguin and is a comprehensive provider for professional Linux software development, training, and services. Having always been a command-line fan, he feels that so much time can be saved through knowing command-line shortcuts and scripting. TheUrbanPenguin YouTube channel, maintained by Andrew, has well over 800 videos to support this and he has authored four other Packt titles.

Table of Contents

1. What and Why of Scripting with Bash
2. Creating Interactive Scripts
3. Conditions Attached
4. Creating Code Snippets
5. Alternative Syntax
6. Iterating with Loops
7. Creating Building Blocks with Functions
8. Introducing sed
9. Automating Apache Virtual Hosts
10. Awk Fundamentals
11. Summarizing Logs with Awk
12. A Better lastlog with Awk
13. Using Perl as a Bash Scripting Alternative
14. Using Python as a Bash Scripting Alternative

Mastering Linux Shell Scripting by Andrew Mallett

From reader reviews:

Harvey Hobbs:

Throughout other case, little folks like to read book Mastering Linux Shell Scripting. You can choose the best book if you appreciate reading a book. As long as we know about how is important some sort of book Mastering Linux Shell Scripting. You can add information and of course you can around the world by way of a book. Absolutely right, due to the fact from book you can learn everything! From your country till foreign or abroad you will be known. About simple matter until wonderful thing you could know that. In this era, you can open a book or searching by internet gadget. It is called e-book. You should use it when you feel bored to go to the library. Let's learn.

Ollie Johnson:

Reading a e-book can be one of a lot of pastime that everyone in the world loves. Do you like reading book so. There are a lot of reasons why people enjoyed. First reading a guide will give you a lot of new information. When you read a book you will get new information because book is one of several ways to share the information or perhaps their idea. Second, studying a book will make anyone more imaginative. When you reading a book especially hype book the author will bring you to definitely imagine the story how the figures do it anything. Third, you could share your knowledge to other people. When you read this Mastering Linux Shell Scripting, you are able to tells your family, friends and also soon about yours guide. Your knowledge can inspire different ones, make them reading a e-book.

Stacey Sims:

Spent a free a chance to be fun activity to try and do! A lot of people spent their free time with their family, or their friends. Usually they carrying out activity like watching television, about to beach, or picnic inside park. They actually doing same task every week. Do you feel it? Do you want to something different to fill your current free time/ holiday? Can be reading a book can be option to fill your cost-free time/ holiday. The first thing that you ask may be what kinds of reserve that you should read. If you want to try look for book, may be the guide untitled Mastering Linux Shell Scripting can be fine book to read. May be it may be best activity to you.

Veronica Shriner:

Do you have something that you want such as book? The book lovers usually prefer to select book like comic, small story and the biggest you are novel. Now, why not seeking Mastering Linux Shell Scripting that give your fun preference will be satisfied by means of reading this book. Reading practice all over the world can be said as the way for people to know world far better then how they react toward the world. It can't be claimed constantly that reading addiction only for the geeky person but for all of you who wants to become success person. So , for all you who want to start looking at as your good habit, you may pick Mastering Linux Shell Scripting become your personal starter.