title: Capture multiline output as array in bash
body: <p>If <code>inner.sh</code> is</p>
  
  <pre><code>#...
  echo first
  echo second
  echo third
  </code></pre>
  
  <p>And <code>outer.sh</code> is</p>
  
  <pre><code>var=`./inner.sh`
  # only wants to use "first"...  
  </code></pre>
  
  <p>How can <code>var</code> be split by whitespace?</p>