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What is the purpose of customizing the ~/.irbrc file in Ruby's IRB?

easy📝 Conceptual Q1 of 15
Ruby - Ecosystem and Best Practices
What is the purpose of customizing the ~/.irbrc file in Ruby's IRB?
ATo change the default behavior and appearance of the IRB session
BTo install Ruby gems automatically
CTo compile Ruby code into machine code
DTo create new Ruby classes
Step-by-Step Solution
Solution:
  1. Step 1: Understand the role of ~/.irbrc

    The ~/.irbrc file is a configuration file for IRB that runs when IRB starts.
  2. Step 2: Identify what customization means in IRB context

    Customizing ~/.irbrc changes how IRB behaves or looks, like prompt style or loaded libraries.
  3. Final Answer:

    To change the default behavior and appearance of the IRB session -> Option A
  4. Quick Check:

    IRB customization = change behavior and appearance [OK]
Quick Trick: Customize ~/.irbrc to personalize your IRB experience [OK]
Common Mistakes:
  • Thinking ~/.irbrc installs gems
  • Confusing IRB config with Ruby compilation
  • Assuming ~/.irbrc creates classes

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