title: Bind two files by column in bash
body: <p>when i have two files such as file A</p>
  
  <pre><code>012
  658
  458
  895
  235
  </code></pre>
  
  <p>and file B</p>
  
  <pre><code>1
  2
  3
  4
  5
  </code></pre>
  
  <p>how could they be joined in bash? The output shoudl just be </p>
  
  <pre><code>1012
  2658
  3458
  4895
  5235
  </code></pre>
  
  <p>really I just want to bind by column such as in R (cbind).</p>