Preparation

Install Go

See How to install Go?.

Note: This project uses Go 1.20.4.

Pick an editor

Pick your favorite editor or use Visual Studio Code.

Learn Go basics

If you're not familiar with Go, you may try this tutorial: "Quick Introduction to Go."

What is a CLI app

See What is a CLI app?.

What is grep

The grep command is a powerful Unix/Linux utility used for searching text patterns within files. It stands for "Global Regular Expression Print." grep allows you to search for a specific pattern or regular expression in a file or a stream of text and print the lines that match the pattern.

Here's a basic usage example:

grep pattern file.txt