Section 5.1. "The Greps of Wrath"
Section 5.2. Fixing DOS Line Ends
Section 5.3. Fixing DOS Filenames
Section 5.4. Searching Directory Trees
Section 5.5. Visitor: Walking Trees Generically
Section 5.6. Copying Directory Trees
Section 5.7. Deleting Directory Trees
Section 5.8. Comparing Directory Trees
