title: Suppress find & grep "cannot open" output
body: <p>I was given <a href="https://stackoverflow.com/questions/1027906/unix-find-grep-syntax-vs-awk">this</a> syntax by user <a href="https://stackoverflow.com/users/45890/phi">phi</a><br></p>
  
  <pre><code>find . | awk '!/((\.jpeg)|(\.jpg)|(\.png))$/ {print $0;}' | xargs grep "B206"
  </code></pre>
  
  <p>I would like to suppress the output of grep: can't open..... and find: cannot open lines from the results.<br><br>sample output to be ignored:<br></p>
  
  <pre><code>grep: can't open ./cisc/.xdbhist
  find: cannot open ./cisc/.ssh
  </code></pre>