Neato. Just one minor nitpick: I see two points where vim is invoked but no way to tell what edits were made to the files (though it's easy enough to guess from

Neato. Just one minor nitpick: I see two points where vim is invoked but no way to tell what edits were made to the files (though it's easy enough to guess from the filenames). Switch those two out with appropriate sed or echo commands, add a bash shebang at line 1, and baby, you've got a stew going!