book

Perl Medic: Transforming Legacy Code

by Peter Scott

March 2004

Intermediate to advanced

336 pages

7h 35m

English

Addison-Wesley Professional

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Perl or perl?Obtaining PerlHistorical PerlWho This Book Is ForTypographical ConventionsFor Further ReferencePerl VersionsPerl 6Acknowledgments
1.1. First Things First1.2. Reasons for Inheritance1.3. What Next?1.4. Observe the Program in Its Natural Habitat1.5. Get Personal1.6. Strictness1.7. Warnings
2.1. Versions2.2. Part or Whole?2.3. Find the Dependencies
3.1. Testing Your Patience3.2. Extreme Testing3.3. An Example Using Test:: Modules3.4. Testing Legacy Code3.5. A Final Encouragement
4.1. Strategizing4.2. Why Are You Doing This?4.3. Style4.4. Comments4.5. Restyling4.6. Variable Renaming4.7. Editing4.8. Line Editing4.9. Antipatterns4.10. Evolution

5.1. Package Variables vs. Lexical Variables5.2. Warnings and Strictness5.3. use strict in Detail5.4. use warnings in Detail5.5. Selective Disabling5.6. Caveat Programmer5.7. Perl Poetry
6.1. Keep It Brief6.2. Cargo Cult Perl6.3. Escaping the Global Variable Trap6.4. Debugging Strategies
7.1. Strategies7.2. Perl 47.3. Perl 5.0007.4. Perl 5.0017.5. Perl 5.0027.6. Perl 5.0037.7. Perl 5.0047.8. Perl 5.0057.9. Perl 5.6.07.10. Perl 5.6.17.11. Perl 5.8.07.12. Perl 5.8.17.13. Perl 5.8.27.14. Perl 5.8.3
8.1. The Case for CPAN8.2. Using CPAN8.3. Improving Code with Modules8.4. Custom Perls
9.1. Static Analysis9.2. Eliminating Superfluous Code9.3. Finding Inefficient Code9.4. Debugging
10.1. Making It Robust10.2. Advanced Brevity10.3. Documentation10.4. Custom Warnings10.5. Version Control System Integration
11.1. The Setup11.2. Triage11.3. Desperately Seeking Sanity11.4. Coming into the 21st Century11.5. Incorporating Modules Effectively, Part 111.6. Incorporating Modules Effectively, Part 211.7. Making It Mature, Part 111.8. Making It Mature, Part 211.9. Making It Mature, Part 311.10. Advanced Modification
12.1. In Conclusion12.2. Perl People12.3. A Final Thought
Tie::Array::BoundedBenchmark::TimeTicksmallprofpp

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About the Author

PETER J. SCOTT runs Pacific Systems Design Technologies, providing Perl training, application development, and enterprise systems analysis. He was a speaker on the 2002 Perl Whirl cruise and at YAPC::Canada, and he founded his local Perl Monger group. A software developer since 1981 and a Perl developer since 1992, he has also created programs for NASA’s Jet Propulsion Laboratory. Scott graduated from Cambridge University, England, with a Master of Arts Degree in Computer Science and now lives in the Pacific Northwest with his wife Grace, a cat, and a parrot, at least one of which also uses Perl. He is the lead author of Perl ...