Irb Tips and Tricks

Irb Tips and Tricks John McCaffrey Freelance Consultant @J_McCaffrey RailsPerformance.net

Here we go!• Irb is awesome• Common Usage patterns• Customizing Irb• Rails Console• References

In case I don’t ﬁnish...• IRB is extremely powerful and Customizable• A useful tool in your toolkit• Worth ﬁnding ways to improve your usage• Ask your friends, share your ideas• ....some compatibility issues in Rails 3

Irb is Awesome! http://tryruby.org/

IRB 101• printing, dates, calculations• object inspector• requiring ﬁles• ﬁle scripting

Tweak it• irb console settings• custom methods (I needed logging and acts_as_versioned inspection)• vim• irb subsession

What I didn’t cover• Debugging• Additional libraries• More Meta Programming• DRY concepts, testing, workﬂow

Resources++• Why’s IRB Guide http://bit.ly/_why_irb• http://cheat.errtheblog.com/s/rails_console• http://bit.ly/thoughtbot-irb• http://bit.ly/tagaholic-irb• https://github.com/cldwalker/ripl• http://bit.ly/stackoverﬂow-irb• http://bit.ly/pivotal-debug-irb

Resources+++• http://railscasts.com/episodes/48-console-tricks• http://slash7.com/2006/12/21/secrets-of-the-rails- console-ninjas• http://errtheblog.com/posts/24-irb-mix-tape• http://drnicwilliams.com/2006/10/12/my-irbrc-for- consoleirb• http://vimcasts.org/episodes/running-vim-within-irb

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Irb Tips and Tricks

by John McCaffrey on Aug 13, 2011

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Irb Tips and Tricks — Presentation Transcript