getting a list of open files versus PID nos.?

[richo]

On 08/12/10 17:18 -0500, Chuck Robey wrote:
>What I want to see is a list of all Pids and how many open files 
>there are associated with each Pid?  And maybe a "ps ax" list, so I 
>can associate an application with a pid.  I would set things up so it 
>would do this every 15 minutes, and it might just point me at my real 
>Any idea what would be the best way to get a list of all openfiles 
>versus each open pid?  I would be happy to write up a python script 
>to give me application versus count of open files list, if I could 
>start with that files versus pids thing.

lsof is what you're looking for.