Advanced Bash Scripting

Advanced Bash Scripting

by Sander van Vugt
Released June 2016
Publisher(s): Pearson
ISBN: 0134586220

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Video description

5 Hours of Video Instruction

Overview

Expand your Bash scripting skills in 5 hours!

Description

Further your scripting skills with this essential Bash training course. Sander van Vugt, best-selling author of Red Hat and general Linux book and video titles, walks you through everything you need to know to take your Bash skills to the next level. This course will teach you scripting best practices and syntax differences. You will also learn how to use advanced awk, sed, and regular expressions before jumping in to how to analyze advanced scripts. After that, you will dig in to how to write complex scripts and explore the concept of scripting for performance. You will then end with scripting in Python.

This course consists of eight lessons that fully explain advanced Bash scripting concepts. Every lesson contains practical examples to show how scripting solutions are being used in the real world. At the end of each lesson, Sander van Vugt will provide a real scripting exercise so you can test your own skills. You can then review your work against the author’s in a solutions video.

The video lessons cover the following topics:

Lesson 1: Reviewing Basics
Lesson 2: Scripting Best Practices
Lesson 3: Understanding Syntax Differences
Lesson 4: Using Advanced awk, sed, and Regular Expressions
Lesson 5: Analyzing Advanced Scripts
Lesson 6: Writing a Complex Script
Lesson 7: Scripting for Performance
Lesson 8: Beyond Bash; Scripting in Python

About the Instructor

Sander van Vugt is an independent Linux trainer, author, and consultant living in the Netherlands. Sander has written numerous books about different Linux-related topics and many articles for Linux publications around the world. Sander has been teaching Red Hat, Ubuntu, SUSE, and LPI Linux classes since 1994. As a consultant, he specializes in Linux High Availability solutions and Performance Optimization. Sander van Vugt is the best-selling author of the Red Hat RHCSA/RHCE Cert Guide, the Red Hat Certified System Administrator (RHCSA) Complete Video Course, and many other titles. More information about Sander is on his website at www.sandervanvugt.com.

Skill Level

Intermediate

What You Will Learn

Bash scripting intermediate and advanced techniques

Who Should Take This Course

The target audience for this course consists of Linux users and professionals who have basic Bash skills and now want to extend their skills automating tasks on Linux using Bash shell scripts. A secondary target audience consists of IT users and professionals who want to get experience with simple programming languages.

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Table of contents

  1. Introduction
    1. Advanced Bash Scripting: Introduction
  2. Lesson 1: Reviewing Basics
    1. Learning objectives
    2. 1.1 Using Pattern Matching
    3. 1.2 Using Command Substitution
    4. 1.3 Using Arguments and Variables
    5. 1.4 Using Iteration Structures (Part 1)
    6. 1.5 Using Iteration Structures (Part 2)
    7. 1.6 Using Arrays
    8. 1.7 Using Functions
    9. 1.8 Analyzing Math Script
    10. Exercise 1
    11. Exercise 1 Solution (Part 1)
    12. Exercise 1 Solution (Part 2)
  3. Lesson 2: Scripting Best Practices
    1. Learning objectives
    2. 2.1 Organizing Scripts
    3. 2.2 Working With Include Files
    4. 2.3 Using Internal vs. External Commands
    5. 2.4 Making Shell Scripts More Secure
    6. 2.5 Analyzing Foo Script
    7. 2.6 Analyzing Cd Script
    8. Exercise 2
    9. Exercise 2 Solution
  4. Lesson 3: Understanding Syntax Differences
    1. Learning objectives
    2. 3.1 Understanding the Origins of Bash
    3. 3.2 Using Bourne Style Syntax
    4. 3.3 Using C-Style Syntax
    5. 3.4 Using Different Methods to Test
    6. 3.5 Using Different Methods to Calculate
    7. 3.6 Analyzing Tcsh Script
    8. 3.7 Analyzing Tcsh Script in Bash
    9. Exercise 3
    10. Exercise 3 Solution
  5. Lesson 4: Using Advanced awk, sed, and Regular Expressions
    1. Learning objectives
    2. 4.1 Using Regular Expressions
    3. 4.2 Understanding sed Basics
    4. 4.3 Performing Advanced sed Operations
    5. 4.4 Understanding awk Basics
    6. 4.5 Performing Advanced awk Operations
    7. Exercise 4
    8. Exercise 4 Solution
  6. Lesson 5: Analyzing Advanced Scripts
    1. Learning objectives
    2. 5.1 Analyzing the Structure
    3. 5.2 Analyzing the Parts in the Script
    4. 5.3 Analyzing the /etc/init.d/network Script
    5. 5.4 Analyzing the /etc/profile Script
    6. Exercise 5
    7. Exercise 5 Solution
  7. Lesson 6: Writing a Complex Script
    1. Learning objectives
    2. 6.1 Defining the Mission Statement
    3. 6.2 Creating the Script Structure
    4. 6.3 Writing the Code
    5. 6.4 Considering Next Steps (Part 1)
    6. 6.5 Considering Next Steps (Part 2)
    7. 6.6 Implementing Next Steps
    8. Exercise 6
    9. Exercise 6 Solution (Part 1)
    10. Exercise 6 Solution (Part 2)
  8. Lesson 7: Scripting for Performance
    1. Learning objectives
    2. 7.1 Optimizing Loops
    3. 7.2 Minimizing File Writes
    4. 7.3 Minimizing External Command Usage
    5. 7.4 Avoiding Useless Commands (cat /etc/passwd | grep root)
    6. 7.5 Minimizing Operations
    7. 7.6 Analyzing Script Performance with time
    8. 7.7 Analyzing Script Performance with strace
    9. Exercise 7
    10. Exercise 7 Solution
  9. Lesson 8: Beyond Bash; Scripting in Python
    1. Learning objectives
    2. 8.1 Comparing Bash to Python
    3. 8.2 Programming in Python
    4. 8.3 Writing your First Python Script
    5. 8.4 Working with Arguments
    6. 8.5 Using Indentation
    7. 8.6 Interactive Python
    8. 8.7 Writing Output to Files
    9. Exercise 8
    10. Exercise 8 Solution
  10. Summary
    1. Advanced Bash Scripting: Summary

Product information

  • Title: Advanced Bash Scripting
  • Author(s): Sander van Vugt
  • Release date: June 2016
  • Publisher(s): Pearson
  • ISBN: 0134586220