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Perl Cookbook, Second Edition

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Ch. 3. Dates and Times

Ch. 4. Arrays

Introduction

Recipe 4.1. Specifying a List in Your Program

Recipe 4.2. Printing a List with Commas

Recipe 4.3. Changing Array Size

Recipe 4.4. Implementing a Sparse Array

Recipe 4.5. Iterating Over an Array

Recipe 4.6. Iterating Over an Array by Reference

Recipe 4.7. Extracting Unique Elements from a List

Recipe 4.8. Finding Elements in One Array but Not Another

Recipe 4.9. Computing Union, Intersection, or Difference of Unique Lists

Recipe 4.10. Appending One Array to Another

Recipe 4.11. Reversing an Array

Recipe 4.12. Processing Multiple Elements of an Array

Recipe 4.13. Finding the First List Element That Passes a Test

Recipe 4.14. Finding All Elements in an Array Matching Certain Criteria

Recipe 4.15. Sorting an Array Numerically

Recipe 4.16. Sorting a List by Computable Field

Recipe 4.17. Implementing a Circular List

Recipe 4.18. Randomizing an Array

Recipe 4.19. Program: words

Recipe 4.20. Program: permute

Ch. 5. Hashes

Ch. 6. Pattern Matching

Ch. 11. References and Records

Ch. 12. Packages, Libraries, and Modules

Ch. 13. Classes, Objects, and Ties

Ch. 14. Database Access

Ch. 15. Interactivity

Ch. 16. Process Management and Communication

Ch. 17. Sockets

Ch. 18. Internet Services

Ch. 19. CGI Programming

Ch. 20. Web Automation

Chapter 4. Arrays

Works of art, in my opinion, are the only objects in the material universe to possess internal order, and that is why, though I don't believe that only art matters, I do believe in Art for Art's sake.
—E.M. Forster