title: Convert exponentials and rounding numbers in BASH
body: <p>i have such a file</p>
  
  <pre><code>1.5000000000E-01 7.5714285714E+00 4.0000000000E-01
  2.5000000000E-01 7.5714285714E+00 4.0000000000E-01
  </code></pre>
  
  <p>and i have to convert it to something like</p>
  
  <pre><code>0.15 7.57 0.40
  </code></pre>
  
  <p>i mean i want the numbers to be with only 2 decimals and not to be exponential. I want to use bash!</p>