title: Fillter grep results by range and display in column
body: <p>I have extract this data with <code>grep</code> from my log stats, data and value:</p>
  
  <pre><code>Apr-1 -4
  Apr-1 -2
  Apr-1 -5
  Apr-1 5
  Apr-1 95
  Apr-2 -4
  Apr-2 -6
  Apr-2 -8
  Apr-2 9
  </code></pre>
  
  <p>I need to display count by <code>range: &lt;=4</code> , from <code>&gt;4 to &lt;8</code> and <code>&gt;= 8</code> and then display group by day in column. like this:</p>
  
  <pre><code>Day      &lt;=4     &gt;4 &amp; &lt;8    &gt;= 8
  --------------------------------
  Apr-1     3         1         1
  Apr-2     3         0         1
  </code></pre>
  
  <p>I did some tests and research with <code>awk uniq</code>... but I got no results</p>
  
  <p>Thanks!</p>