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Perl

Course Overview


Xpertised Offers Advanced and Personalized Instructor Led Online Classroom training on Perl which gives you the opportunity to interact with a Perl instructor and help you enhance yourself to meet the demands of the industry.

Learn from our instructors from the convenience of your home or office. Interact and learn live with trainers and other participants.

Course Content


Getting Started

  • Running a Perl Program
  • The First Line of Your Perl Program: How Comments Work
  • Line 2: Statements, Tokens, and
  • Function Invocations and Arguments
  • Error Messages
  • Interpretive Languages Versus Compiled Languages

Basic Operators and Control Flow

  • Storing in Scalar Variables Assignment
  • Performing Arithmetic
  • Expressions
  • Other Perl Operators
  • Introduction to Conditional Statements
  • The if Statement
  • Two-Way Branching Using if and else
  • Multi-Way Branching Using elsif
  • Writing Loops Using the while Statement
  • Nesting Conditional Statements
  • Looping Using the until Statement

Understanding Scalar Values

  • What Is a Scalar Value?
  • Integer Scalar Values
  • Floating-Point Scalar Values
  • Using Octal and Hexadecimal Notation
  • Character Strings
  • Interchangeability of Strings and Numeric Values

More Operators

  • Using the Arithmetic Operators
  • Using Comparison Operators
  • Using Logical Operators
  • Using Bit-Manipulation Operators
  • Using the Assignment Operators
  • Using Autoincrement and Autodecrement
  • The String Concatenation and Repetition Operators
  • Other Perl Operators
  • The Order of Operations

Lists and Array Variables

  • Introducing Lists
  • Scalar Variables and Lists
  • Storing Lists in Array Variables
  • Accessing an Element of an Array Variable
  • Using Lists and Arrays in Perl Programs
  • Using List Ranges
  • More on Assignment and Array Variables
  • Retrieving the Length of a List
  • Using Array Slices
  • Reading an Array from the Standard Input File
  • Array Library Functions

Reading from and Writing to Files

  • Opening a File
  • Reading from a File
  • Writing to a File
  • Redirecting Standard Input and Standard Output
  • The Standard Error File
  • Closing a File
  • Determining the Status of a File
  • Reading from a Sequence of Files

Pattern Matching

  • Introduction
  • The Match Operators
  • Special Characters in Patterns
  • Pattern-Matching Options
  • The Substitution Operator
  • The Translation Operator
  • Extended Pattern-Matching

More Control Structures

  • Using Single-Line Conditional Statements
  • Looping Using the for Statement
  • Looping Through a List: The foreach Statement
  • The do Statement
  • Exiting a Loop Using the last Statement
  • Using next to Start the Next Iteration of a Loop
  • The redo Statement
  • Using Labeled Blocks for Multilevel Jumps
  • The continue Block
  • The goto Statement

Using Subroutines

  • What Is a Subroutine?
  • Defining and Invoking a Subroutine
  • Returning a Value from a Subroutine
  • The return Statement
  • Using Local Variables in Subroutines
  • Passing Values to a Subroutine
  • Calling Subroutines from Other Subroutines
  • Recursive Subroutines
  • Passing Arrays by Name Using Aliases
  • Using the do Statement with Subroutines
  • Specifying the Sort Order
  • Predefined Subroutines

Associative Arrays

  • Limitations of Array Variables
  • Definition
  • Referring to Associative Array Elements
  • Adding Elements to an Associative Array
  • Creating Associative Arrays
  • Copying Associative Arrays from Array Variables
  • Adding and Deleting Array Elements
  • Listing Array Indexes and Values
  • Looping Using an Associative Array
  • Creating Data Structures Using Associative Arrays

Formatting Your Output

  • Defining a Print Format
  • Displaying a Print Format
  • Displaying Values in a Print Format
  • Writing to Other Output Files
  • Specifying a Page Header
  • Setting the Page Length
  • Formatting Long Character Strings
  • Formatting Output Using printf

Working with the File System

  • File Input and Output Functions
  • Directory-Manipulation Functions
  • File-Attribute Functions
  • Using DBM Files

Process, String, and Mathematical Function

  • Process- and Program-Manipulation Functions
  • Mathematical Functions
  • String-Manipulation Functions

Scalar-Conversion and List-Manipulation Functions

  • The chop Function
  • The chomp Function
  • The crypt Function
  • The hex Function
  • The int Function
  • The oct Function
  • The ord and chr Functions
  • The scalar Function
  • The pack Function
  • The unpack Function
  • The vec Function
  • The defined Function
  • The undef Function
  • Array and List Functions
  • Associative Array Functions

System Functions

  • System Library Emulation Functions
  • Socket-Manipulation Functions
  • The UNIX System V IPC Functions

Command-Line Options

  • Specifying Options
  • The -v Option: Printing the Perl Version Number
  • The -c Option: Checking Your Syntax
  • The -w Option: Printing Warnings
  • The -e Option: Executing a Single-Line Program
  • The -s Option: Supplying Your Own Command-Line Options
  • The -P Option: Using the C Preprocessor
  • The -I Option: Searching for C Include Files
  • The -n Option: Operating on Multiple Files
  • The -p Option: Operating on Files and Printing
  • The -i Option: Editing Files
  • The -a Option: Splitting Lines
  • The -F Option: Specifying the Split Pattern
  • The -0 Option: Specifying Input End-of-Line
  • The -l Option: Specifying Output End-of-Line
  • The -x Option: Extracting a Program from a Message
  • Miscellaneous Options
  • The -d Option: Using the Perl Debugger

System Variables

  • Global Scalar Variables
  • Pattern System Variables
  • File System Variables
  • Array System Variables
  • Built-In File Variables
  • Specifying System Variable Names as Words

References in Perl 5

  • Introduction to References
  • Using References
  • Using the Backslash Operator
  • References and Arrays
  • Multidimensional Arrays
  • References to Subroutines
  • Using Subroutines to Work with Multiple Arrays
  • References to File Handles
  • Using Symbolic References… Again
  • More on Hard Versus Symbolic References

Object-Oriented Programming in Perl

  • An Introduction to Modules
  • Classes in Perl
  • Creating a Class
  • Blessing a Constructor
  • Methods
  • Exporting Methods
  • Invoking Methods
  • Overrides
  • Destructors
  • Inheritance
  • Overriding Methods
  • A Few Comments About Classes and Objects in Perl

Miscellaneous Features of Perl

  • The require Function
  • The $#array Variables
  • Alternative String Delimiters
  • Special Internal Values
  • Using Back Quotes to Invoke System Commands
  • Pattern Matching Using ?? and the reset Function
  • Other Features of the <> Operator
  • Global Indirect References and Aliases
  • Packages
  • Modules
  • Using Perl in C Programs
  • Perl and CGI Scripts
  • Translators and Other Supplied Code

The Perl Debugger

  • Entering and Exiting the Perl Debugger
  • Listing Your Program
  • Stepping Through Programs
  • Displaying Variable Values
  • Breakpoints
  • Tracing Program Execution
  • Line Actions
  • Other Debugging Commands

Customer Reviews


Thanks to Xpertised and the tutor who walked me through all the topics with Practical exposure which is helping me in my current project.
-Waseem

Course was quite helpful in terms of understanding of concepts and practicality. Its really a very friendly environment to learn. The timing were mutually chosen, as we both are working professional. I am quite satisfied with the course.
-Tanmoy

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