====== pv ======

  * [[Ripping DVDs]]
  * [[ddrescue]]
  * [[http://www.ivarch.com/programs/pv.shtml|pv homepage]]
  * [[http://www.catonmat.net/blog/unix-utilities-pipe-viewer/|A Unix Utility You Should Know About: Pipe Viewer]]

I sometimes use ''pv'' to rip DVDs because I like having a progress bar.

Here's an example:

<code>
pv -ptre /dev/dvd | dd of=dvd.iso
</code>