title: How to set timeout for a cmd command?
body: <p>i just have the following command in cmd </p>
  
  <pre><code>perl csv2rrd3.pl
  </code></pre>
  
  <p>but it always run for a long time.
  Is there any way to set a timeout for it?
  or i should do it in the perl script?? And how?</p>
  
  <p>Thanks</p>