title: Grep doesn't work
body: <p>This don't work for me </p>
  
  <pre><code>grep -vE '^\..*' tmp1.txt &gt;grep.txt
  grep -vE '^le-.*\.sh' grep.txt &gt;tmp1.txt
  </code></pre>
  
  <p>tmp1.txt before </p>
  
  <pre><code>.config
  le-test.sh
  a b c
  </code></pre>
  
  <p>after </p>
  
  <pre><code>.config
  le-test.sh
  a b c
  </code></pre>
  
  <p>anyone help ?</p>