Lab 3

Part A
•Write a Windows script that will
•Run netstat –ano
•Parse the output into ‘appropriate’ fields
•Match the PID with that from Tasklist (see earlier examples)
•Print a table with the following columns:
•	Local port
•	Remote port (*:* for UDP)
•	Protocol (TCP or UDP)
•	State (empty string for UDP)
•	PID
•	Task name (name of EXE file)
•	Owner (Name of user who owns the task (N/A if unknown))
Part B
•Write a unix script to print an IDENTICAL table (same columns and format)
•Use the unix version of netstat to get your information together with getpwuid
  and any other useful modules.


Part C
•Combine Lab3A and Lab3B into a SINGLE script that runs correctly on either
  Unix or Windows (assuming the proper modules are installed)
•Document at the top of the script which modules (if any) must be installed on each platform.
•See the discussion of ‘require’ vs. ‘use’ on myCourses, under Lab2,
  ‘How to check if you have admin rights on Windows’
•Finally, you will get more info from netstat (and Tasklist) if you are an admin. Have your
  script warn the user of this if it is NOT running with admin rights.

Part D
•Finally, write a script using Win32::ChangeNotify to watch a directory (given on the
  command line) for changes in either a file or a directory name (NOT is subdirectories,
  just in the directory itself).
•Take a snapshot of file and directory names
•Watch for 10 seconds
•At the end of 10 seconds, with no changes, print a 'no changes' message
•If a change occurs during the 10 second window, take a new snapshot to compare to
  the one taken at the start of the 10 second window of time. Print out what changed
  (e.g., print a list of names that were there but are no longer there ... then print a
  list of names that are there now, but weren't at the start of the 10 second window).

•Create a Unix script to approximate the same thing. We have no known ChangeNotify
  module for Unix, but you can fake one by taking a snaspshot of the directoiry, waiting
  10 seconds, taking another snapshot of the directory, and then comparing the two
  snapshots. This will NOT notify you IMMEDIATELY of changes (as Win32::ChangeNotify
  does) but approximates the same functionality.

 •As in Part C above ... make Part D a single script that works on either platform.

What to Submit:
Submit only your final scripts to parts C and D. I do not need to see the scripts for
the individual platforms (unless, of course, that is all you have and you want
partial credit).