title: How do I 'grep -c' and avoid printing files with zero '0' count
body: <p>The command 'grep -c blah *' lists all the files, like below.</p>
  
  <pre><code> % grep -c jill *
   file1:1
   file2:0
   file3:0
   file4:0
   file5:0
   file6:1
   % 
  </code></pre>
  
  <p>What I want is:</p>
  
  <pre><code> % grep -c jill * | grep -v ':0'
   file1:1
   file6:1
   % 
  </code></pre>
  
  <p>Instead of piping and grep'ing the output like above, is there a flag to suppress listing files with 0 counts?</p>
  
  <p>SJ</p>