Perl Programming

Summary

This intensive course provides a solid introduction to the Perl programming language. Hands-on exercises reinforce key concepts.

Prerequisites

Familiarity with C, procedural programming, or shell scripting is beneficial.

Course Objectives

After completing this course, participants should be able to:

Write useful Perl scripts to solve common problems
Use flow control, operators, lists, and hashes
Understand and use pattern matching (regular expressions)
Create subroutines and use library routines
Create and use references
Create and use modules
Employ object-oriented programming techniques

Intended Audience

This course may prove useful to people such as developers and system administrators who wish to develop systems or application programs on either Unix or Windows platforms using the Perl programming language.

Next Steps

Those wishing to pursue the topic further could consider:

Advanced Perl Programming

Length

5 days

Format

Instructor-led course, with many practical computer-based exercises.

Course Outline

Getting Started

Running Perl programs
Basic statement syntax
Comments, variables, basic operators and functions
Reading from standard input, writing to standard output and standard error

Operators

Arithmetic, assignment, relational, logical, bitwise, and string operators
Precedence and associativity

Flow Control

If-else, elsif, and unless statements
The warn(), die(), and exit() functions
While and until loops

Working with Scalars

Scalar variables; character strings
Escape sequences

Working with Lists

Defining and using list variables
Assigning list elements to other variables
Command line arguments
Working with list ranges and list slices

Working with Hashes

Creating hashes from lists
Adding and deleting hash elements

Reading and Writing to Files

Opening a file
Determining file status
Using pipes

Pattern Matching

Substitution and translation operators

Creating and Using Subroutines Formatting Output

Value formats

File and Directory Functions

File access, link, and directory manipulation functions

Process, Scalar, and List Functions

Process, mathematical, string, scalar, list manipulation, and time functions

System Variables and Options

Separator and pattern match variables
-n and –p options

References

Creating multidimensional arrays

Packages and Modules

Importing modules into a program

Object-Oriented Programming in Perl

Creating and using classes

Hardware and Software Requirements

PCs or workstations capable of running a Perl development environment. The systems should be able to load a 3.5" DOS-formatted solution disk. Perl 5+ properly installed on the platform of choice.

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