From: Dan Zwell <dzwell@...>
Date: 2007-04-15T16:08:45+09:00
Subject: Re: executing a system command and stopping it after a specified duration?

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Robert La Ferla wrote:
> I'd like to run a system command and then stop it after specified amount
> of time (in seconds or milliseconds.)  What's the best way to do it?
> 
> e.g.
> 
> exec("cat /dev/video > test.mpg")
> 
> then kill the process after so many minutes, seconds, etc...
> 
> Also, if there is a better Ruby way to do this other than "cat", I'm all
> ears...
> 
> Thanks.
> 
> 
> 
> 

# from "ri Timeout":
require 'timeout'
status = Timeout::timeout(500) {
	exec("cat /dev/video > test.mpg")
}

Dan
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iD8DBQFGId0kUYnvW+YuEvYRAkc0AKDBBveie/L0/2ePNqkLKYKvqz4fTACgso+d
g3U+yVpF+5pFf3RnGb+fS9o=
=B+zE
-----END PGP SIGNATURE-----