This is the direct download for the script referenced in the blog entry "NetBackup Scheduling Timelines." By downloading this script, you are accepting the responsibility of the usage of the script. In other words: use it at your own risk. The script is not designed to be destructive, but mostly as a basis for creating your own reporting tools for generating tape drive usage within your own environment.
This has been tested on a Solaris 10 Sparc machine, but should be able to run on any Unix/Linux perl distribution.