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content/ruby-compendium/book/gems.html

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<!DOCTYPE html> 
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		<title>Ruby Gems &ndash; Ruby Compendium</title> 
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		/<a href="/ruby-compendium/" rel="ruby-compendium">RUBY-COMPENDIUM</a>
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		<h1>Ruby Gems</h1> 
		<h2>Ruby Compendium</h2>
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							<nav class="navigation"><a href="/ruby-compendium/book/features.html">Advanced Language Features</a> | <a href="/ruby-compendium/book/index.html">Contents</a> | <a href="/ruby-compendium/book/gem-tips.html">What you can use for...</a></nav>
							<p>Sure, the <a href="/ruby-compendium/book/core-stdlib.html#core-stdlib">Standard Library</a> is quite large but&#8230; no, it does not have everything you need. Luckily, it&#8217;s full of gems out there! Rubygems is Ruby&#8217;s packaging system, and the best way to distribute your own libraries and applications.</p>
<p>The Rubygems packaging system is now included in most Ruby implementation and distributions. Installing a gem and all its dependencies is as easy as issuing <code>gem install &lt;name of the gem&gt;</code>. So for example if you want to install the <a href="https://rubygems.org/gems/rails">rails</a> gem, you can just run</p>
<p><code>gem install rails</code></p>
<p>&#8230;and it will be automatically downloaded and installed on your system, along with the other gems it depends on.</p>
<section class="section">
<header><h1 id="h_16">RubyGems.org</h1></header>
There are over 1300 different gems publicly (and freely!) available. Luckily, the official gem host site, <a href="http://www.rubygems.org">RubyGems.org</a> makes it very easy to find what you're looking for: just search for a particular gem or a functionality you're looking for, and browse through the results. You can also register and <em>push</em> your own gems for other people to use.

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<div class="box-title">What happened to RubyForge?</div>
<p>If you started to learn Ruby a few years ago, the <a href="http://www.rubyforge.org">RubyForge</a> was <em>the</em> place to find user-created ruby code and gems. The site is still there, but nowadays Rubyists prefer using <a href="http://www.github.com">GitHub</a> as host for their source code repositories and RubyGems.org as the home for their gems.</p>

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