title: bash: pass each command through time command (to measure execution time)
body: <p>How to pass each command (typed in the shell) through <code>time</code> command?</p>
  
  <p>Reason of the question: need to measure execution time of each command.</p>
  
  <p>Example (wanted behavior):</p>
  
  <pre><code>$ sleep 1
  real    0m1.047s
  user    0m0.015s
  sys     0m0.000s
  </code></pre>