1-packaging.md

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Packaging and Dependencies

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RubyGems

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More than 20k Published Gems

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gem install httparty
When you HTTParty, you must party hard!
Successfully installed httparty-0.7.4
1 gem installed

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@@@ruby
require 'rubygems'
require 'httparty'
url = 'http://twitter.com/statuses/public_timeline.json'
HTTParty.get(url).each do |item|
  p "#{item['text']} by @#{item['user']['screen_name']}" 
end; nil

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Bundler

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@@@ruby
# Gemfile
source :rubygems
gem 'httparty'

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bundle install
Fetching source index for http://rubygems.org/
Using crack (0.1.8) 
Using httparty (0.7.4) 
Using bundler (1.0.10) 
Your bundle is complete! Use `bundle show [gemname]` 
to see where a bundled gem is installed.

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RVM

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rvm use ruby-1.9.2
rvm gemset create myapp
rvm gemset use myapp

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.rvmrc

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rvm use ruby-1.9.2
rvm gemset use myapp

$ cd ../myapp
Using /Users/aeden/.rvm/gems/ruby-1.9.2-p0
Now using gemset 'myapp'