Perl Programming

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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:

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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