Mastering Perl, 2nd Edition

Mastering Perl

Table of Contents

1. Preface
   1. Becoming a Master
   2. What It Means to Be a Master
   3. Who Should Read This Book
   4. How to Read This Book
   5. What Should You Know Already?
   6. What I Cover
   7. What I Don’t Cover
   8. Structure of This Book
   9. Conventions Used in This Book
   10. Using Code Examples
   11. Safari® Books Online
   12. How to Contact Us
   13. Acknowledgments
2. 1. Advanced Regular Expressions
   1. Readable Regexes, /x and (?#…)
   2. Global Matching
      1. Global Match Anchors
   3. Recursive Regular Expressions
      1. Repeating a Subpattern
   4. Lookarounds
      1. Lookahead Assertions, (?=PATTERN) and (?!PATTERN)
         1. Positive lookahead assertions
         2. Negative lookahead assertions
      2. Lookbehind Assertions, (?<!PATTERN) and (?<=PATTERN)
   5. Debugging Regular Expressions
      1. The -D Switch
   6. Summary
   7. Further Reading
3. 2. Secure Programming Techniques
   1. Bad Data Can Ruin Your Day
   2. Taint Checking
      1. Warnings Instead of Fatal Errors
      2. Automatic Taint Mode
      3. mod_perl
      4. Tainted Data
      5. Side Effects of Taint Checking
   3. Untainting Data
      1. IO::Handle::untaint
      2. Hash Keys
      3. Taint::Util
      4. Choosing Untainted Data with Tainted Data
      5. Symbolic References
   4. Defensive Database Programming with DBI
   5. List Forms of system and exec
      1. Three-Argument open
      2. sysopen
      3. Limit Special Privileges
   6. Safe Compartments
      1. Safe Limitations
   7. A Little Fun
   8. Summary
   9. Further Reading
4. 3. Perl Debuggers
   1. Before You Waste Too Much Time
   2. The Best Debugger in the World
      1. Safely Changing Modules
      2. Wrapping Subroutines
   3. The Perl Debugger
   4. Alternative Debuggers
      1. Using a Different Debugger with -d
      2. Devel::ptkdb
      3. Devel::ebug
      4. Devel::hdb
   5. IDE Debuggers
      1. EPIC
      2. Komodo
   6. Summary
   7. Further Reading
5. 4. Profiling Perl
   1. Finding the Culprit
   2. The General Approach
   3. Profiling ...