title: Error occurs when trying to install Homebrew on a Mac for Ruby on Rails
body: <p>I am trying to install Homebrew on my mac with OS 10.8.5 and I am getting an error.</p>
  
  <p>I enter the following into terminal:</p>
  
  <pre><code>    ruby -e "$(curl -fsSkL raw.github.com/mxcl/homebrew/go/install)"
  </code></pre>
  
  <p>and I get the following error</p>
  
  <pre><code>    /Users/marlonmarescia/.rbenv/shims/ruby: line 21: /usr/local/Cellar/rbenv/0.4.0/libexec/rbenv: No such file or directory
  </code></pre>