[Tutor] Looking up a value in a dictionary from user input problem

I am trying to write a script to work our LVS implementation. I want to be able to have user do something like this ./script SITE SERVER and have the script look up the ip value of the site on that server and issue the command to pull the status from LVS. I am almost there but for some reason

[Tutor] Removing files based upon time stamps

I'm trying to create a basic script that will remove old backup files (more than 30 days) from a directory based upon timestamp. The system it will run on is Windows XP. I created this and ran it on one box and it seemed to work fine, when I ported it to the actual box it needs to run on it is