Working with files, Part 1: Reading | Smart Go

This video tutorial covers the basics of file handling in Go, focusing on reading files using Go version 1.16. It explains the use of three main packages: OS, IO, and Buff IO, each offering different levels of abstraction. The tutorial demonstrates reading a file's entire content into memory using the OS package and traversing a file line by line with Buff IO's scanner. It also shows how to load a file into memory as a collection of lines. The video concludes with a preview of writing files in Go.

What are the three main packages used for file handling in Go?

Explain the difference between the OS, IO, and Buff IO packages in Go.

How can you read a text file line by line in Go?

What is the purpose of the scanner object in file handling?

Describe how to load an entire text file into memory as a collection of lines in Go.