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Useful irb config
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| # Activate auto-completion. | |
| require 'irb/completion' | |
| # Use the simple prompt if possible. | |
| IRB.conf[:PROMPT_MODE] = :SIMPLE if IRB.conf[:PROMPT_MODE] == :DEFAULT | |
| # Setup permanent history. | |
| require 'irb/ext/save-history' | |
| IRB.conf[:SAVE_HISTORY] = 100 |
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