here's a Q

...for you script-savvy folks:

This page http://www.microsoft.com/technet/scriptcenter/resources/qanda/apr05/hey0413.mspx contains some useful scripts for locating duplicate strings in a file, and leaves only one when finished processing.
My question is, how does one implement one of these?
I've installed Perl and CGI scripts on servers before, but this is for local files.

Does one simply put the script in the same folder with the target file and alter the script to "./targetfilename.txt" for input/output?
And how does onee actually set it to run... does one need to use a compiler or DOS app, and if on Mac, can this run as an AppleScript?

thanks in advance ^v^ ...