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with Regular Expressions
Matches with m// Option Modifiers Anchors The Binding Operator, =~ Interpolating into Patterns The Match Variables General Quantifiers Precedence A Pattern Test Program Exercises 9. Processing Text with Regular Expressions Substitutions with s/// The split Operator The join Function m// in List Context More Powerful Regular Expressions Exercises 10. More Control Structures The unless Control Structure The until Control Structure Expression Modifiers The Naked Block Control Structure The elsif Clause Autoincrement and Autodecrement The for Control Structure Loop Controls Logical Operators Exercise 11. File Tests File Test Operators The stat and lstat Functions The localtime Function Bitwise Operators Using the Special Underscore Filehandle Exercises 12. Directory Operations Moving Around the Directory Tree Globbing An Alternate Syntax for Globbing Directory Handles Recursive Directory Listing Manipulating Files and Directories Removing Files Renaming Files Links and Files Making and Removing Directories Modifying Permissions Changing Ownership Changing Timestamps Exercises 13. Strings and Sorting Finding a Substring with index Manipulating a Substring with substr Formatting Data with sprintf Advanced Sorting Exercises 14. Process Management The system Function The exec Function The Environment Variables Using Backquotes to Capture Output Processes as Filehandles Getting Down and Dirty with fork Sending and Receiving Signals Exercises 15. Perl Modules Finding Modules Installing Modules Using Simple Modules Exercise 16. Some Advanced Perl Techniques Trapping Errors with eval Picking Items from a List with grep Transforming Items from a List with map Unquoted Hash Keys Slices Exercise A. Exercise Answers B. Beyond the Llama Index |
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"Learning Perl, better known as "the Llama book," starts the programmer on the way to mastery. Written by three prominent members of the Perl community who each have several years of experience teaching Perl around the world, this latest edition has been updated to account for all the recent changes to the language up to Perl 5.8.
Perl is the language for people who want to get work done. It started as a tool for Unix system adminstrators who needed something powerful for small tasks. Since then, Perl has blossomed into a full-featured programming language used for web programming, database manipulation, XML processing, and system administration--on practically all platforms--while remaining the favorite tool for the small daily tasks it was designed for. You might start using Perl because you need it, but you'll continue to use it because you love it. Informed by their years of success at teaching Perl as consultants, the authors have re-engineered the Llama to better match the pace and scope appropriate for readers getting started with Perl, while retaining the detailed discussion, thorough examples, and eclectic wit for which the Llama is famous. The book includes new exercises and solutions so you can practice what you've learned while it's still fresh in your mind. Here are just some of the topics covered: - Perl variable types - subroutines - file operations - regular expressions - text processing - strings and sorting - process management - using third party modules If you ask Perl programmers today what book they relied on most when they were learning Perl, you'll find that an overwhelming majority will point to the Llama. With good reason. Other books may teach you to program in Perl, but this book will turn you into a Perl programmer. |