title: iterate over argument list in linux shell
body: <p>I want to iterate over the argument list in shell, I know how to do this with</p>
  
  <pre><code>for var in $@
  </code></pre>
  
  <p>But I want to do this with</p>
  
  <pre><code>for ((i=3; i&lt;=$#; i++))
  </code></pre>
  
  <p>I need this because the first two arguments won't enter into the loop. Anyone knows how to do this? Looking forward to you help.</p>
  
  <p>cheng</p>