title: cp copy command with bash brace expansion
body: <p>at the bash prompt I can perform this copy </p>
  
  <p><code>cp file.txt test1.txt</code></p>
  
  <p>but if I try to copy file.txt to several files like so</p>
  
  <pre><code>cp file.txt test{2..4}.txt
  </code></pre>
  
  <p>I get error </p>
  
  <blockquote>
    <p>cp: target `test4.txt' is not a directory</p>
  </blockquote>