The IIS logs are an invaluable way to get to know your web application and your end users once it’s in production. Therefore, having a tool to analyze IIS logs is in invaluable asset in your bag of tricks. Especially if this tool has a certain SharePoint flavor added to it...
This script is tested on these platforms by the author. It is likely to work on other platforms as well. If you try it and find that it works on another platform, please add a note to the script discussion to let others know.