Task: graphical scripting environment

I've been kicking this around a while, and I'm defining an explicit task. This would be an Wx GUI, a very simple one.

• The basic notion: a project, really just a group of files or directory structures. The basic window would allow you to drag files onto a fresh group, and save/load groups to a file list. Opened in a directory with such a file list, the tool would load it automatically.
• "Steps". Not sure where those are defined, but they're individual scripts to run against files or subsets of the files. Might want to toss in file filters to define subsets.
• Step lists. Macro actions consisting of multiple steps. Later with a more sophisticated language (loops and tests, essentially - probably just generic Perl of some kind, munged into a DSL).

That gives us the basic GUI functionality of Okapi, but in a highly configurable shell. This kind of thing could be wrapped around anything.