title: issue with git blame command using java program
body: <p>I am trying to run below git command using java program on windows.</p>
  
  <pre><code> git --git-dir D:\code_coverage\.git blame  'src/RunCodeCoverage.java'
   | grep e4ecfbe | awk '{print $7}'
  </code></pre>
  
  <p>it gives me error : </p>
  
  <pre><code>fatal: cannot stat path '$7}'': No such file or directory
  </code></pre>
  
  <p>While running this command from command prompt, it gives me results as desired.</p>
  
  <p>Please help!</p>