||Excerpt from Linux Cookbook, Part 1|
Response to: Some Corrections
Package installs really don't pertain to source installs. :)
If the system that you're working on has package-management then it would be easier in the long run to use that system. It's possible to take source files and make your own debs or rpms. This make upgrading, removing etc _much_ easier.
It's definitely going to be quicker than doing a find, outputing a list, then diffing the list.
Brain-dead may be a harsh description, so let's call it "sub-optimal" instead.