title: Store pig result to local file
body: <p>I run pig script do some aggerative operation, and output size is very small. </p>
  
  <p>Now I run</p>
  
  <pre><code>hadoop fs -getmerge ...
  </code></pre>
  
  <p>separately.</p>
  
  <p>Any way to let pig script dump the result into local file directly?</p>