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Instructor-Led Training
Introduction to Perl Scripting

3 day course

Language: Perl

Overview

Introduction to Perl Scripting is an Introductory-level practical, hands-on basic Perl training course class that will enable students to solve everyday problems with the Perl programming language.  Geared for students new to Perl, this class was developed for people who are new to the Perl programming language and need a tool to help them in solving administrative type tasks and ad hoc requests/queries. Students will immediately be able to use Perl to complete basic tasks in the real world.

Key Learning Areas

  • Introduction to Perl
  • Scalars
  • Arrays
  • Control Structures
  • Hashes
  • Basic I/O
  • Regular Expressions
  • Functions

Course Outline

Language Overview 

  • Perl Overview
  • The Perl Interpreter
  • Running a Perl Application
  • The Perl Help System
  • Our First Perl Statement

Language Basics      

  • Language Basics
  • Basic Language Rules
  • Comments
  • Scalar Variables
  • Printing Scalar Variables
  • Quoting Scalar Variables
  • <STDIN> as a Scalar
  • Cleaning up after Scalars
  • “Special” Scalars
  • Safe Coding with Scalars
  • Scalar Operators

Arrays and List Data

  • Arrays and List Data
  • What is a List?
  • Representing a List
  • List Variables
  • Assignment
  • Retrieving List Values
  • List Slices
  • Special List Variables
  • <STDIN> as a List
  • Built-In List Functions
  • The reverse Function
  • The sort Function
  • The push and pop Functions
  • The shift and unshift Functions

Control Structures and Looping    

  • Control Structures and Looping
  • Statement Blocks
  • The if Statement
  • The Truth in Perl
  • The unless Statement
  • The if/unless modifiers
  • The while Statement
  • The until Statement
  • The do {} while/until Construct
  • The for Statement
  • The foreach Statement
  • Modifying Looping Behavior
  • The last Statement
  • The next Statement
  • The redo Statement

Hash Data     

  • Hash Data
  • What is a Hash?
  • Hash Variables
  • Built-in Hash Variables
  • Built-in Hash Functions
  • The keys Function
  • The values Function
  • The each Function
  • The defined Function
  • The exists Function
  • The delete Function

Input/Output

  • Input/Output
  • STDIN, STDOUT, and STDERR
  • More on STDOUT
  • Formatted Output Using printf
  • Format Control Strings
  • Here Documents
  • Using the <> (Diamond) Operator
  • Creating Data Streams

Who Benefits

This course is appropriate for individuals who are new to Perl and need a quick jump-start to start using Perl for everyday tasks. This class is not directed towards application development, but rather toward the development of tools that can be used to solve problems the IT Professional runs into every day. 

Prerequisites

Attending students should be experienced in using a shell script or other language to manipulate files or control processes.  Students should have a working knowledge of UNIX scripts. 

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Public Classes

We're sorry, there are no open enrollment classes currently scheduled for this course.