Teach Yourself PERL 5 in 21 Days

David Till0672308940, 9780672308949

Teach Yourself Perl 5 in 21 Days, Second Edition is the ideal book for beginning – and intermediate – level users who want to gain a solid understanding of this programming language. Using step-by-step tutorials and the easy-to-follow approach, you can Teach yourself Perl 5 in 21 Days! Through various teaching elements, you’ll learn everything you need to know about this popular programming language. You’ll discover how to manipulate text, generate reports, and perform system tasks. Through practical, hands-on instructions, logically organized lessons, and helpful Q & A sections, you’ll master Perl functions and concepts and be developing robust programs in no time. Plus, Do/Don’t boxes show you how to avoid potential programming pitfalls, illustrations explain constructs such as associative arrays, and tables serve as handy references.

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Table of contents :
Perl Book……Page 0
Table of Contents……Page 1
Week 1 — At a Glance……Page 30
Day 1 — Getting Started……Page 32
Day 2 — Basic Operators and Control Flow……Page 53
Day 3 — Understanding Scalar Values……Page 92
Day 4 — More Operators……Page 116
Day 5 — Lists and Array Variables……Page 172
Day 6 — Reading from and Writing to Files……Page 236
Day 7 — Pattern Matching……Page 287
Week 1 — In Review……Page 357
Week 2 — At a Glance……Page 363
Day 8 — More Control Structures……Page 365
Day 9 — Using Subroutines……Page 408
Day 10 — Associative Arrays……Page 460
Day 11 — Formatting Your Output……Page 501
Day 12 — Working with the File System……Page 544
Day 13 — Process, String, and Mathematical Functions……Page 598
Day 14 — Scalar-Conversion and List-Manipulation Functions……Page 650
Week 2 — In Review……Page 722
Week 3 — At a Glance……Page 735
Day 15 — System Functions……Page 737
Day 16 — Command-Line Options……Page 796
Day 17 — System Variables……Page 843
Day 18 — References in Perl 5……Page 904
Day 19 — Object-Oriented Programming in Perl……Page 937
Day 20 — Miscellaneous Features of Perl……Page 969
Day 21 — The Perl Debugger……Page 1006
Week 3 — In Review……Page 1035
Appendix A — Answers……Page 1047
Appendix B — ASCII Character Set……Page 1107