Powerful Command-Line Applications in Go

Intermediate

139 Lessons

30h

Certificate of Completion

AI-POWERED

Explanations

AI-POWERED

Explanations

This course includes

86 Playgrounds

13 Quizzes

This course includes

86 Playgrounds

13 Quizzes

Course Overview

Go is a programming language that combines the advantages of static typing with the flexibility of dynamic typing. Its simplicity and prototyping capabilities make it an excellent choice for building command-line tools. It also offers features such as type safety, cross-compilation, testing, and benchmarking, enabling developers to handle complex scenarios. You’ll start by learning the foundations in Go’s fundamental syntax and progressively delve into advanced concepts. Then, you’ll learn to develop vario...Show More

What You'll Learn

An understanding of the fundamentals of the Go programming language, including its syntax and data types

A working knowledge of building command-line applications using Go

An understanding of command-line arguments, input and output, error handling, and testing

Familiarity with designing and implementing real-world applications using Go

What You'll Learn

An understanding of the fundamentals of the Go programming language, including its syntax and data types

Course Content

Introduction

About the Go Language

About This Course

First Command-Line Program in Go

Building a Basic Word Counter Testing the Basic Word Counter Command-Line Flags Wrapping Up

Exercise: Counting Unicode Characters Solution: Counting Unicode Characters Quiz: Command-Line Program in Go Preface

Interacting with Users

Defining the To-Do API Creating the To-Do File Creating the To-Do Test File Creating the Initial To-Do Command-Line Tool Testing the Initial CLI Implementation Handling Multiple Command-Line Options Display Command-Line Tool Usage Improving the List Output Format Increasing Flexibility with Environment Variables Capturing Input from STDIN Wrapping Up Exercise: Delete a To-Do item Solution: Delete a To-Do Item Quiz: Interacting with Users

Working with Files in Go

Creating a Basic Markdown Preview Tool Writing Tests for the Markdown Preview Tool Adding Temporary Files to the Markdown Preview Tool Using Interfaces to Automate Tests Adding an Auto-Preview Feature Cleaning Up Temporary Files Improving the Markdown Preview Tool with Templates Updating Functions to Improve the Markdown Preview Tool Wrapping Up Exercise: Working with Files Solution: Working with Files Quiz: Working with Files in Go

Navigating the File System

Developing a File System Crawler Testing with Table-Driven Testing Deleting Matched Files Testing with the Help of Test Helpers Logging Deleted Files Archiving Files Updating the Function Archiving Files Wrapping Up Exercise: Restoring Files and Directories Solution: Restoring Files and Directories Quiz: Navigating File System

Improving the Performance of CLI Tools

14 Lessons

Controlling Processes

14 Lessons

Using the Cobra CLI Framework

16 Lessons

Talking to REST API

16 Lessons

Developing Interactive Terminal Tools

12 Lessons

Persisting Data in a SQL Database

9 Lessons

Distributing Tool

8 Lessons

Appendix

4 Lessons

Course Author

Trusted by 1.4 million developers working at companies

Anthony Walker

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Emma Bostian 🐞

@EmmaBostian

Evan Dunbar

ML Engineer

Carlos Matias La Borde

Software Developer

Souvik Kundu

Front-end Developer

Vinay Krishnaiah

Software Developer

Eric Downs

Musician/Entrepeneur

Kenan Eyvazov

DevOps Engineer

Anthony Walker

@_webarchitect_

Emma Bostian 🐞

@EmmaBostian

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