Ruby - File IO
Which of the following is the correct syntax to read the entire content of a file named
log.txt in Ruby?Which of the following is the correct syntax to read the entire content of a file named log.txt in Ruby?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall correct method call syntax
In Ruby, method arguments must be inside parentheses or passed without ambiguity.File.read('log.txt')is correct.Step 2: Analyze other options
File.read log.txt misses quotes around filename, causing error. Options C and D use wrong syntax for method arguments.Final Answer:
File.read('log.txt') -> Option CQuick Check:
File.read requires filename string in parentheses = B [OK]
Quick Trick: Always put filename string in parentheses for File.read [OK]
Common Mistakes:
- Omitting quotes around filename
- Using square brackets instead of parentheses
- Using curly braces instead of parentheses
Master "File IO" in Ruby
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