Programming Perl 5 Quick Reference Guide

Revised to cover Perl Version 5.6, this quick reference provides a complete overview of the Perl programming language, all packed into a convenient, carry-around booklet. This third edition covers: A summary of Perl syntax rules A complete list of operators, built-in functions, and standard library modules, all with brief descriptions The newest Perl features, such as enhanced regular expressions, multithreading, the Perl compiler, and unicode support The Perl 5 Pocket Reference, 3rd Edition, is the perfect companion to the authoritative books on Perl published by O'Reilly & Associates: Programming Perl, Learning Perl, and the Perl Cookbook. Contents 2 Conventions 2 1. Command line options 3 2. Syntax 4 3. Variables 4 4. Literals 5 5. Operators and precedence 6 6. Statements 7 7. Subroutines, packages and modules 7 8. Pragmatic modules 9 9. Object oriented programming 10 10. Arithmetic functions 10 11. Conversion functions 11 12. Structure conversion 11 13. String functions 12 14. Array and hash functions 12 15. Regular expressions 14 16. Search and replace functions 15 17. File test operators 16 18. File operations 16 19. Input / Output 17 20. Formats 19 21. Directory reading routines 19 22. System interaction 19 23. Networking 21 24. SystemV IPC 21 25. Miscellaneous 22 26. Information from system files 23 27. Special variables 24 28. Special arrays 25 29. Standard modules 26 30. Environment variables 30 31. The perl debugger 30 Programming Perl Conventions......Page 2 1. Command line options......Page 3 3. Variables......Page 4 4. Literals......Page 5 5. Operators and precedence......Page 6 7. Subroutines, packages and modules......Page 7 8. Pragmatic modules......Page 9 10. Arithmetic functions......Page 10 12. Structure conversion......Page 11 14. Array and hash functions......Page 12 15. Regular expressions......Page 14 16. Search and replace functions......Page 15 18. File operations......Page 16 19. Input / Output......Page 17 22. System interaction......Page 19 24. SystemV IPC......Page 21 25. Miscellaneous......Page 22 26. Information from system files......Page 23 27. Special variables......Page 24 28. Special arrays......Page 25 29. Standard modules......Page 26 31. The perl debugger......Page 30 Revised to cover Perl version 5.6, this quick reference provides a complete overview of the Perl programming language, from variables to input, flow control to regular expressions, all packed in a convenient, carry-around booklet.