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Perl 5 Programming Introduction

Duration: 4 Days
Course Price: $2,990

This training provides programmers who have experience in a procedural or object-oriented language, such as Visual Basic, C, C++, Java, or a UNIX shell, with an introduction to Perl — a powerful cross-platform, object-oriented scripting language. In this course, you learn to use Perl for developing complete applications, applying built-in functions, and making use of external modules.

You Will Learn How To
Create effective, reusable Perl scripts
Parse and manipulate text with Perl regular expressions
Extract and arrange information from multiple files
Solve complex tasks with ease using Perl’s many small operators and functions

Important Course Information
Requirements:
Programming experience with either a procedural or object-oriented language such as Visual Basic, C, C++, Java, or a UNIX shell
No previous familiarity with Perl is required

This training provides programmers who have experience in a procedural or object-oriented language, such as Visual Basic, C, C++, Java, or a UNIX shell, with an introduction to Perl — a powerful cross-platform, object-oriented scripting language. In this course, you learn to use Perl for developing complete applications, applying built-in functions, and making use of external modules.

You Will Learn How To
Create effective, reusable Perl scripts
Parse and manipulate text with Perl regular expressions
Extract and arrange information from multiple files
Solve complex tasks with ease using Perl’s many small operators and functions

Important Course Information
Requirements:
Programming experience with either a procedural or object-oriented language such as Visual Basic, C, C++, Java, or a UNIX shell
No previous familiarity with Perl is required

Introduction to Perl
• Perl strengths: flexible, fast, rich, easy-to-use operator set
• Reusable tool building for system admin, text manipulation, the Internet
• Networking, text filtering, web application programming
• Perl Syntax Fundamentals
Running Perl programs
• Invoking UNIX/Linux scripts with #! syntax
• Starting Perl scripts under Windows via command line
Variable types and contexts
• Scalars vs. lists vs. hashes
• Strings and interpolated strings
• Making sense of special variables
• Working in the right context
Compound data structures
• Creating references to anonymous data
• Building multidimensional arrays
• Working with multidimensional hashes
Managing files and user input
• Handling standard I/O streams
• Parsing command-line arguments
• Reading and writing data files
• Pattern Matching and Operators
Perl regular expressions
• Extracting important text information
• Building on UNIX regular expressions
• Altering data with substitutions
• Performing global and case-insensitive matches
Perl's small operator groups
• Manipulating arithmetic expressions
• Replicating and growing strings
• Saving time with assignment operators
• Making decisions with logical operators
• Establishing and using ranges
• Looping, Decisions and Flow Control
Perl support for conventional flow control constructs
• Making decisions with if/else/elsif
• Creating loops with do, while, until, for and foreach
Perl-specific constructs
• if and unless as statement modifiers
• Constructing switch statements
• Subroutines
Writing subroutines
• Defining and calling a subroutine
• Passing and receiving parameters
• Returning values to the caller
Making data work for you
• Localizing variables: my and local
• Accessing global variables
• Built-in and Add-on Functions
Common data manipulation requirements
• String functions for text manipulation
• Processing arrays with list functions
• Arranging information with sort
I/O and tool building
• Manipulating file system entries
• Reading binary file
• Dissecting and creating records with split and join
• Formatting tabular output
• Perl and Object Orientation
How Perl implements object orientation
• An introduction to OO in Perl
• Methods, classes and constructors
• Surveying and obtaining third-party packages from CPAN
Accessing OO packages
• Incorporating modules with use
• Defining a schema to employ OO modules
• Calling methods with the -> syntax
• Passing initialization parameters

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