title: Grep and Awk in Windows Invalid Char in Expression Error
body: <p>I am new to grep and awk - using Windows 7 (I downloaded grep and awk for windows from GnuWin).</p>
  
  <p>I am have having trouble running this script:</p>
  
  <pre><code>grep -Fwf dictionary.txt frequency.txt | awk '{print $2 "," $1}'
  </code></pre>
  
  <p>I get the error: <P>
  awk: '{print<br>
  awk: ^ invalid char ''' in expression</p>
  
  <p>I believe it might have something to do with having to use double quotes in Windows, but I tried all the combinations I can think of and still it doesn't work.</p>
  
  <p>Can anyone help?
  Thanks</p>