Reference

Modules

Common Ruby modules and standard-library helpers.

1. CSV

   Parse and generate CSV data in Ruby

2. Date

   Work with calendar dates in Ruby's standard library

3. Dir

   Work with directories in Ruby — list files, navigate, create, and delete directories

4. ERB

   Template engine for embedding Ruby in HTML and text files

5. File

   Work with files, paths, and directories in Ruby

6. FileUtils

   Utilities for file and directory operations in Ruby

7. JSON

   Parse and generate JSON data in Ruby

8. Logger

   Log messages from your Ruby applications with configurable severity levels

9. Net::HTTP

   HTTP client library for Ruby. Make HTTP requests, handle responses, and manage connections.

10. Readline

    Provides line-editing functionality for interactive input, enabling command-line editing features.

    Readline.readline(prompt = nil)
11. Set

    A collection of unordered unique values in Ruby

12. Time

    Work with dates and times in Ruby

13. YAML

    Parse and generate YAML data in Ruby