What you need to do, in the following rough order, is:
a) determine what you want to look at
b) begin trying out different commands to see what you can learn and what the output looks like
c) pick formats for what you wan tthe output to look like of the analysis
d) finalize program to create desired output
e) automate so as to run regularly (as a cron job) or on an as-needed basis

So... start at step (a) ...