title: Concatenating Files And Insert New Line In Between Files
body: <p>I have multiple files which I want to concat with <code>cat</code>.
  Let's say </p>
  
  <pre><code>File1.txt 
  foo
  
  File2.txt
  bar
  
  File3.txt
  qux
  </code></pre>
  
  <p>I want to concat so that the final file looks like:</p>
  
  <pre><code>foo
  
  bar
  
  qux
  </code></pre>
  
  <p>Instead of this with usual <code>cat File*.txt &gt; finalfile.txt</code> </p>
  
  <pre><code>foo
  bar 
  qux
  </code></pre>
  
  <p>What's the right way to do it?</p>