Given a file greeting.txt containing the text Hello, Ruby!, what will this code output?

medium📝 Predict Output Q4 of 15

Ruby - File IO

Given a file greeting.txt containing the text Hello, Ruby!, what will this code output?

content = File.read('greeting.txt')
puts content

AHello, Ruby!

Bcontent

CFile.read('greeting.txt')

DAn error because file is not opened

Step-by-Step Solution

Solution:

Step 1: Understand File.read output
File.read reads the entire file content as a string, so content will hold "Hello, Ruby!".
Step 2: Understand puts behavior
puts content prints the string stored in content, which is "Hello, Ruby!".
Final Answer:
Hello, Ruby! -> Option A
Quick Check:
File.read returns file text, puts prints it = B [OK]

Quick Trick: File.read returns string; puts prints that string [OK]

Common Mistakes:

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