title: How to grep the output from first grep of the date?
body: <p>I would like to search from the first output of grep. First grep I search all the files from yesterday that has the word "abc". I would like to also find if it has "def" from first search.</p>
  
  <p>This is what I have</p>
  
  <pre><code>find /tttt/aaaa/bbb -type f -mtime -1 -mtime 0 -print0| xargs -0 grep -l "abc"
  </code></pre>
  
  <p>I would like to find the output that also contains "def".</p>