title: Is it possible to store str output in a R object?
body: <p>I want to extract some information from str output of a dataframe. </p>
  
  <p>Tried this ...</p>
  
  <pre><code>&gt; tmp &lt;- str(iris)
  &gt; tmp
  NULL
  </code></pre>
  
  <p>Is it possible to store this in a variable?</p>