Wicked Cool Ruby Scripts | No Starch Press
- Chapter 1: General Purpose Utilities
- Chapter 2: Website Scripting :
#13 RSS Parsing -> meta feeds - Chapter 3: Li(U)nix System Administration
- Chapter 4: Picture Utilities
- Chapter 5: Games and Learning Tools
- Chapter 6: String Utilities
- Chapter 7: Servers and Scrapers
- Chapter 8: Arguments and Documentation: very nice examples on command line processing and inline documentation à la RDoc suitable for nice usage messages
- Chapter 9: Sorting Algorithms
- Chapter 10: Writing a Metasploit 3.1 Module with Ruby