I really really love Automator on the mac. It just makes it so easy to setup scripts you can run again later. More importantly it lets you write a script solution that is point and click for someone else when they need help.
I had an email from a Detective that does forensics work on child exploitation cases. He wanted a simple way to build a dictionary from a selection of folders and files. He wanted to use that dictionary with my crowbar tools to go after a filevault from a mac.
Here is what I did.