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Bash Cookbook

Bash Cookbook

By : Brash, Ganesh Sanjiv Naik
1 (1)
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Bash Cookbook

Bash Cookbook

1 (1)
By: Brash, Ganesh Sanjiv Naik

Overview of this book

In Linux, one of the most commonly used and most powerful tools is the Bash shell. With its collection of engaging recipes, Bash Cookbook takes you through a series of exercises designed to teach you how to effectively use the Bash shell in order to create and execute your own scripts. The book starts by introducing you to the basics of using the Bash shell, also teaching you the fundamentals of generating any input from a command. With the help of a number of exercises, you will get to grips with the automation of daily tasks for sysadmins and power users. Once you have a hands-on understanding of the subject, you will move on to exploring more advanced projects that can solve real-world problems comprehensively on a Linux system. In addition to this, you will discover projects such as creating an application with a menu, beginning scripts on startup, parsing and displaying human-readable information, and executing remote commands with authentication using self-generated Secure Shell (SSH) keys. By the end of this book, you will have gained significant experience of solving real-world problems, from automating routine tasks to managing your systems and creating your own scripts.
Table of Contents (10 chapters)
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Acting Like a Typewriter and File Explorer

 In this chapter, we will introduce the following:

  • Basic searching for strings and files
  • Using wildcards and regexes
  • Math and calculations in script
  • Striping/altering/sorting/deleting/searching strings with Bash only
  • Using SED and AWK to remove/replace substrings
  • Formatting your data/output using echo and printf
  • Readying your script for different languages with internationalization
  • Calculating statistics and reducing duplicates based on file contents
  • Using file attributes with conditional logic
  • Reading delimited data and altered output format
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