目录 Preface 1. Advanced Regular Expressions Readable Regexes, lx and (?#...) Global Matching Global Match Anchors Recursive Regular Expressions Repeating a Subpattern Lookarounds Lookahead Assertions, (?=PATTERN) and (?!PATTERN) Lookbehind Assertions, (?Debugging Regular Expressions The -D Switch Summary Further Reading 2. Secure Programming Techniques Bad Data Can Ruin Your Day Taint Checking Warnings Instead of Fatal Errors Automatic Taint Mode mod_perl Tainted Data Side Effects of Taint Checking Untainting Data IO::Handle::untaint Hash Keys Taint::Util Choosing Untainted Data with Tainted Data Symbolic References Defensive Database Programming with DBI List Forms of system and exec Three-Argument open sysopen Limit Special Privileges Safe Compartments Safe Limitations A Little Fun Summary Further Reading 3. Perl Debuggers Before You Waste Too Much Time The Best Debugger in the World Safely Changing Modules Wrapping Subroutines The Perl Debugger Alternative Debuggers Using a Different Debugger with Devel::ptkdb Devel::ebug Devel::hdb IDE Debuggers EPIC Komodo Summary Further Reading 4. Profiling Perl Finding the Culprit The General Approach Profiling DBI Other DBI::Profrle Reports Making It Even Easier Switching Databases DeveI::NYTProf Writing My Own Profiler DeveI::LineCounter Profrling Test Suites DeveI::Cover Summary …… 5.Benchmarking Perl 6.Cleaning Up Perl 7.SymboITables and Typeglobs 8.Dynamic Subroutines. 9.Modifying and Jury-Rigging Modules 10.Configuring Perl Programs 11.Detecting and Reporting Errors 12.Logging. 13.Data Persistence. 14.Working with Pod 15.Working with Bits 16.The Magic of Tied Variables 17.Modules as Programs A.Further Reading B.brian's Guide to Solving Any Perl Problem
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