would be nice to have monitor read data files off 
disk. This has several advantages. One several 
monitors could run off the same data over shared disks 
(eventually set up a tcp read connection to read data 
off another machine) It would be also nice to 
graphically browse data taken at another time. 
Currently at my site I collect data with a different 
program in a cron job. It would be nice to hook the 
monitor up to these output files either for up to data 
monitoring or for visualising past days