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What will be the output when running `gem build mygem.gemspec` if the gemspec file is valid?

medium📝 Predict Output Q4 of 15
Ruby - Gems and Bundler
What will be the output when running `gem build mygem.gemspec` if the gemspec file is valid?
ANothing happens, command ignored
BA .gem file is created successfully
CThe gem is automatically installed
DAn error message about missing files
Step-by-Step Solution
Solution:

  1. Step 1: Understand gem build command

    The command builds a gem package from the gemspec file if valid.

  2. Step 2: Identify expected result of build

    It creates a .gem file ready for installation or publishing.

  3. Final Answer:

    A .gem file is created successfully -> Option B

  4. Quick Check:

    gem build creates .gem file [OK]
Quick Trick: gem build creates the gem package file [OK]
Common Mistakes:
  • Expecting automatic install after build
  • Ignoring errors from invalid gemspec
  • Thinking build does nothing

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