[Uw-ruby] What does problem #1 (4) mean?

[Ryan Davis]

On Nov 12, 2007, at 21:24 , Feng Tien wrote:

> Sorry, another question
>
> For the powergrep program, what is the #4 requirement?
>
> -q for quiet, just denote match via exit code?

exactly. don't print, just exit 0 if match, 1 if no match. That way an  
admin can write something like a cron job to scan for outages:

*/5 * * * * powergrep -q "<title>.*My Company" http://www.example.com  
|| page_me "website down"