Perl Programmer's Interactive Workbook

Name: Perl Programmer's Interactive Workbook
Price: 5.72 USD
Availability: InStock
ISBN: 9780130208682

ISBN-10: 013020868X

ISBN-13: 9780130208682

Edition: 2000

Authors: Vincent Lowe

List price: $39.99

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Perl is an integrated programming language similar to the C language, but including a number of popular UNIX facilities such as sed, awk and tr. This book and Web-based tutorial shows how to build solid, reliable code in Perl.

Book details

List price: $39.99
Copyright year: 2000
Publisher: Prentice Hall PTR
Binding: Paperback
Pages: 656
Size: 7.50" wide x 9.75" long x 2.00" tall
Weight: 2.684
Language: English



From the Editor


About the Author


Introduction



Getting Started



Running Perl from the Command LIne



Check your Perl Version Number



Run a Simple Script from the Command Line



Use Perl to Process a File



Writing Your First Perl Program



Save and Run a Perl Script in a File



Make the Script Self-Executable



Test Your Thinking



The Nickel Tour



Comments, Command Line, Environment



Use Comments, Two Types



Use Command-Line Arguments



Use Environment Variables



Keyboard and System Commands



Read Input from the Console Keyboard



Run a System Command



Read Input from a System Command



Reading Quickly from a File



Read from Files Named on the Command Line



Read from a Single Named File



Printing Lengthy Messages



Test Your Thinking



Variables: Large and Small



Identifier Names and Scalar Variables



Declare and Initialize Scalar Variables



Write a Short Program Using Variables



Simple Operators



Predict the Behavior of Simple Operators



Write a Simple Program That Does Calculations



Scalars and Context



Test Variable Context in a Short Program



Use Perl's Early Warning Mode



Special Scalar Variables



Analyze a Program That Uses Special Variables



Create Standardized Error Messages



Test Your Thinking



Arrays and Lists



Using Arrays and lists



Create a List and an Array



Use an Array



Using sort on an array



Traversing an Array or List



Traverse an array



Traverse the Elements of a List



Reverse the Order of Data in an Array



Functions that Operate on Arrays



Use an Array as a Stack



Use an Array as a Queue



Splicing Things; Arrays and Strings



Test Your Thinking



Hashes: Our Things Should Have Names



Creating and Accessing a Hash



Fully Initialize a Hash



Add and Remove Elements in a Hash



Populate a Hash from the Contents of a File



Traversing a Hash



Traverse a Hash in Arbitrary Order



Traverse in Order by Key or Value



Use the environment hash



Test Your Thinking



Tests and Branching



Truth, Branching, and the Many Faces of Nothing



Conditional Execution



Combine Conditions



Use the Logical Negation Operator



Traditional Branching Constructs



Conditionally Execute Entire Blocks of Code



Use the Short-Circuit Operator



Use the Conditional Operator



Tests That Involve Numbers, Strings, and Files



Conduct Arithmetic Comparison Tests



Conduct String Comparison Tests



Conduct File Status Tests



Test Your Thinking



Regular Expressions



Standard Regular Expression Metacharacters



Use Regular Expressions to Match Partial Strings



Use the Match Operator with the Default Variable



Use the Binding Operator to Match in Any Variable



Peral Extended Metacharacters



Use Perl Extended Metacharacters



Use the Perl Substitution Operator



Use the Perl Transliteration Operator



Simulating a Switch Construct



Implement a Switch Construct



Write a User Shell



Test Your Thinking



Loops (and Other Repetitive Experiences)



Traditional Loops



Use While and Until Loops



Use the Foreach Loop



Use the For Loop



Unusual Loops



Use the "Looplike" Modifiers and the do{} Block



Write Nested Loops



Advanced Loop Control



Use last/next/redo to Control Loops



Write "Infinite Loops" and Use the continue{} Block



Test Your Thinking



Files: Outside and In



File Meta-Information (File Statistics)



Use stat() to Get Information About a File



Reading the Contents of a Directory



Compile a Report Showing Large or Old Files



Functions that Manipulate Files



Remove/Rename Files



Create/Remove Directories



Change File Owner, Group, or Permissions



Opening Filehandles for Reading and Writing



Open a File for Reading, Writing, or Appending



Open a Pipe for Reading or Writing



Open the Special DATA Filehandle



Test Your Thinking



Functions: Programming in Polite Society



Writing and Executing Functions



Declare and Call a Function



Call a Function That Updates Variables



Function Arguments and Return Values



Pass Information to Functions as Arguments



Have Functions Return Information



Localize Variables to Their Function



Building a Library of Functions



Put Functions into a Library for Reuse



Manage Library Location with @INC



Test Your Thinking



Ends and Odds



Using POD to Embed Multi-Purpose Documentation



Write POD Content to Document Your Code



Produce HTML and Man Pages from POD



Using format and write() for Reports



Use format and write() to Create a Report



Use Advanced Report Features



Using Perl Modules



Use a Perl Module to Parse Command Lines



Use a Perl Module to Recurse a Directory Tree



Test Your Thinking



Answers to Self-Review Questions



Perl Reference


Index