title: How cut one character after the dot in a shell script variables
body: <p>I need to remove all characters after the first one after the dot:</p>
  <p>example:</p>
  <p>the temperature is 28.34567 C°</p>
  <p>I need only 28.3</p>
  <p>I've tried with <code>cut -d'.' -f1</code> but cut all after the dot..</p>
  <p>Thanks a lot</p>