Heredoc syntax for multiline strings in Ruby - Mini Project: Build & Apply

Using Heredoc Syntax for Multiline Strings in Ruby

📖 Scenario: Imagine you are writing a simple Ruby program that needs to store and display a multiline message, like a letter or a poem. Using heredoc syntax makes it easy to keep the message readable and neat in your code.

🎯 Goal: You will create a multiline string using Ruby's heredoc syntax and then print it to the screen.

📋 What You'll Learn

Create a multiline string using heredoc syntax with the exact content provided.

Assign the multiline string to a variable named message.

Print the message variable to display the full multiline text.

💡 Why This Matters

🌍 Real World

Heredoc syntax is useful when you need to include large blocks of text in your Ruby programs, such as email templates, SQL queries, or formatted messages.

💼 Career

Many Ruby developers use heredoc syntax to keep code clean and readable when working with multiline strings in web development, scripting, or automation tasks.

1

Create a multiline string using heredoc syntax

Create a variable called message and assign it a multiline string using heredoc syntax. The string should exactly contain these three lines:
Hello, friend!
Welcome to Ruby programming.
Enjoy learning heredoc syntax.

Ruby

# Create the heredoc multiline string and assign it to message
# Your code here

Need a hint?

Use <<~TEXT to start the heredoc and TEXT alone on a line to end it.

2

Add a configuration variable for a greeting prefix

Create a variable called greeting and set it to the string "*** Message Start ***\n". This will be used as a prefix before the message.

Ruby

message = <<~TEXT
Hello, friend!
Welcome to Ruby programming.
Enjoy learning heredoc syntax.
TEXT

# Create the greeting prefix variable
# Your code here

Need a hint?

Remember to include the newline character \n at the end of the greeting string.

3

Combine the greeting and message

Create a new variable called full_message that combines the greeting variable and the message variable using string concatenation.

Ruby

message = <<~TEXT
Hello, friend!
Welcome to Ruby programming.
Enjoy learning heredoc syntax.
TEXT

greeting = "*** Message Start ***\n"

# Combine greeting and message into full_message
# Your code here

Need a hint?

Use the + operator to join the two strings.

4

Print the full multiline message

Write a puts statement to print the full_message variable to the screen.

Ruby

message = <<~TEXT
Hello, friend!
Welcome to Ruby programming.
Enjoy learning heredoc syntax.
TEXT

greeting = "*** Message Start ***\n"

full_message = greeting + message

# Print the full_message
# Your code here

Need a hint?

Use puts full_message to display the combined message.