Ruby - File IO
What happens to the file after the block finishes when you use
File.open('file.txt') do |f| ... end in Ruby?What happens to the file after the block finishes when you use File.open('file.txt') do |f| ... end in Ruby?
easy📝 Conceptual Q11 of 15
Step-by-Step Solution
Solution:
Step 1: Understand File.open with block behavior
When you open a file with a block, Ruby automatically manages the file resource.Step 2: Recognize automatic closing
After the block finishes, Ruby closes the file automatically to prevent resource leaks.Final Answer:
The file is automatically closed after the block ends. -> Option BQuick Check:
File.open with block = auto-close [OK]
Quick Trick: File.open with block always auto-closes the file [OK]
Common Mistakes:
- Thinking the file stays open after the block
- Assuming the file is deleted automatically
- Believing the file locks after block ends
Master "File IO" in Ruby
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Ruby Quizzes