title: passing a grep list as an argument to cp
body: <p>lets say I want to copy a list of files to another directory </p>
  
  <pre><code>-rw-rw----    Sep 1 11:06   File1.txt
  -rw-rw----    Sep 1 11:06   File101.txt
  -rw-rw----    Sep 3 11:06   File2.txt    
  -rw-rw----    Sep 4 11:06   File303.txt  
  </code></pre>
  
  <p>I would like to grep all the files that have a Sep 1 in there</p>
  
  <pre><code>ls -lrt | grep 'Sep 1'
  </code></pre>
  
  <p>and try to pass it to cp as an argument </p>
  
  <pre><code>cp `ls -lrt | grep 'Sep 1'` /directory/
  or
  cp $(ls -lrt | grep 'Sep 1') /directory/
  </code></pre>
  
  <p>with the second option i that is an illegal variable name 
  can you please help me with this?</p>