File.write for writing in Ruby - Mini Project: Build & Apply

Writing Text to a File Using File.write in Ruby

📖 Scenario: You are creating a simple note-taking program. You want to save a short message into a text file on your computer.

🎯 Goal: Learn how to use File.write in Ruby to write text data into a file.

📋 What You'll Learn

Create a string variable with a message

Create a filename variable with the exact name 'note.txt'

Use File.write to write the message into the file

Print a confirmation message after writing

💡 Why This Matters

🌍 Real World

Saving notes or logs to files is common in many programs, like journaling apps or data logging.

💼 Career

Understanding file writing is important for backend development, scripting, and automation tasks.

1

Create a message string

Create a string variable called message and set it to the exact text "Hello, this is my first note!".

Ruby

# Create a string variable called message with the text "Hello, this is my first note!"
# Your code here

Need a hint?

Use = to assign the text to the variable message.

2

Create a filename variable

Create a string variable called filename and set it to the exact text "note.txt".

Ruby

message = "Hello, this is my first note!"
# Create a string variable called filename with the text "note.txt"
# Your code here

Need a hint?

Use = to assign the filename string to the variable filename.

3

Write the message to the file

Use File.write with the variables filename and message to write the message into the file.

Ruby

message = "Hello, this is my first note!"
filename = "note.txt"
# Use File.write to write message into filename
# Your code here

Need a hint?

Call File.write with the filename first, then the message.

4

Print confirmation message

Write a puts statement to print the exact text "Note saved to note.txt".

Ruby

message = "Hello, this is my first note!"
filename = "note.txt"
File.write(filename, message)
# Print "Note saved to note.txt"
# Your code here

Need a hint?

Use puts to display the confirmation text.