Book Image

Linux Shell Scripting Cookbook, Second Edition - Second Edition

Book Image

Linux Shell Scripting Cookbook, Second Edition - Second Edition

Overview of this book

The shell remains one of the most powerful tools on a computer system — yet a large number of users are unaware of how much one can accomplish with it. Using a combination of simple commands, we will see how to solve complex problems in day to day computer usage.Linux Shell Scripting Cookbook, Second Edition will take you through useful real-world recipes designed to make your daily life easy when working with the shell. The book shows the reader how to effectively use the shell to accomplish complex tasks with ease.The book discusses basics of using the shell, general commands and proceeds to show the reader how to use them to perform complex tasks with ease.Starting with the basics of the shell, we will learn simple commands with their usages allowing us to perform operations on files of different kind. The book then proceeds to explain text processing, web interaction and concludes with backups, monitoring and other sysadmin tasks.Linux Shell Scripting Cookbook, Second Edition serves as an excellent guide to solving day to day problems using the shell and few powerful commands together to create solutions.
Table of Contents (16 chapters)
Linux Shell Scripting Cookbook
About the Authors
About the Reviewers

Twitter command-line client

Twitter is the hottest micro-blogging platform, as well as the latest buzz of the online social media now. We can use Twitter API to read tweets on our timeline from the command line! Let us see how to do it.

Getting ready

Recently, Twitter has stopped allowing people to log in by using plain HTTP Authentication, and we must use OAuth to authenticate ourselves. A full explanation of OAuth is out of the scope of this book, so we will use a library which makes it easy to use OAuth from bash scripts. Perform the following steps:

  1. Download the bash-oauth library from, and unzip it to any directory

  2. Go to that directory and then inside the subdirectory bash-oauth-master, run make install-all as root.

  3. Go to and register a new app. This will make it possible to use OAuth:

  4. After registering the new app, go to your app's settings and change Access type to Read and Write:

  5. Now, go to the...