title: Replace multiple IPs in multiple files with sed HP-UX
body: <p>Can anyone tell me how can i mass replace IPs in multiple files by 1 command? what does this sed command does?  </p>
  
  <pre><code>sed 's/[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/x.x.x.x/g' *
  </code></pre>
  
  <p>Really need help here. Thanks!</p>