Perl Programming
Course Code: PERL
Duration: 3 days
Perl Programming Course Overview
The Perl Programming course is designed to give delegates the knowledge to develop/maintain Perl scripts.
Exercises and examples are used throughout the course to give practical hands-on experience with the techniques covered.
Course Objectives
Knowledge of Perl to write, maintain and understand Perl scripts.
Who will the Course Benefit?
Programmers who need to write or maintain scripts in Perl.
Skills Gained
The delegate will learn and acquire skills as follows:
- Declare variables and initialise them
- Understand scalar and list context
- Construct expressions with arithmetic, logical and relational operators
- Use iterative type statements
- Use conditional statements
- Read/write text and binary files
- Manipulate text using regular expression
- Use and code subroutines
- Use built-in library functions
- Use arrays and hashes
- Declare and use packages
Perl Programming Training Course
Course Introduction
- Administration and Course Materials
- Course Structure and Agenda
- Delegate and Trainer Introductions
Session 1: INTRODUCTION TO PERL
- What is PERL and why PERL is useful
- Obtaining PERL
Session 2: PERL BASICS
- Using Perl
- Comments in a Perl Script
- Data Representation in Perl
- Numbers
- Strings
- Comparators
- Operators
- Using Standard Input
- Standard Output
Session 3: ARRAYS AND LISTS
- What is a List or Array?
- Assignment
- Accessing Array Elements
- The Push and Pop Functions
- The Shift and Unshift Functions
- Building an Array from ‹STDIN›
Session 4: CONDITIONAL AND CONTROL STRUCTURES
- Control Structures
- Statement Blocks
- Conditional Statements
- If Keyword
- Unless Keyword
- Elsif Keyword
- Control Statements
- While Keyword
- Until Keyword
- Do Keyword
- For Statement
- Foreach Statement
Session 5: ASSOCIATIVE ARRAYS
- Associative (Hash) Arrays
- Keys Function
- Values Function
- Each Function
- Delete Function
- Exist Function
- Big Arrow
Perl Programming Training Course
Session 6: BASIC INPUT AND OUTPUT
- STDIN
- The Diamond Operator
- Print for Normal Output
- Printf for Formatted Output
Session 7: REGULAR EXPRESSION
- Regular Expression
- Multipliers
- Special Perl Variables in Pattern Matching
- Substitutions
- The Split and Join Functions
- Split Function
- Join Function
- Case Statement
Session 8: FUNCTIONS
- A User Defined Function (Subroutine)
- Calling a User Function
- Return Values
- Passing Arguments to Functions
- Private Variables in Functions
- Variables Using Local
Session 9: ADDITIONAL CONTROL STRUCTURES
- Additional Control Structures
- Last Statement
- Next Statement
- Redo Statement
- Labeled Blocks
- Expression Modifiers
- && and || as Control Structures
Perl Programming Training Course
Session 10: FILE HANDLING
- Filehandles and File Tests
- Opening and Closing a Filehandle
- Using Filehandles
- File Tests
Session 11: PERL DBI/DBD MODULES
- Perl DBI Module
- What is DBI
- Database Handles
- Statement Handles
Session 12: FILE AND DIRECTORY FUNCTIONS
- File and Directory Functions
- Changing Directories
- Current Directory
- Globbing
- Opening and Closing a Directory
- Reading a Directory Handle
- Removing a File
- Renaming a File
- Making and Removing Directories
- Modifying Permissions
- Modifying Ownership
Session 13: MODULES PACKAGES LIBRARIES PRAGMA & PERLDOC
- Modules
- Package
- Library
- Pragma
- Perldoc
- Course technical content is subject to change without notice.
- Course content is structured as sessions, this does not strictly map to course timings. Concepts, content and practicals often span sessions.
Requirements
Delegates attending this course should have some previous programming experience and be able to define general programming concepts including: compilation, execution, variables, arrays, sequence, selection, iteration, functions, objects, and classes. Moreover delegates should be able to navigate the filesystem (on the command line ideally), edit and save text files and browse the web. This knowledge can be obtained by attendance on the pre-requisite Introduction to Programming course.
Pre-Requisite Courses
Further Learning
Course Reviews
Thanks for a great course. The lecturer is excellent. Very good course I will definitely recommend it to others.
Marcin - IT
This course was really informative and helpful in providing me with a better understanding of the Perl language and how it could benefit me in carrying out certain tasks in my job in a programmatic way. The literature is well written and the instructor did a really good job of explaining the material and offer further advice. Good course overall.
Richard - Data Management Analyst - Marketing
The tutor was very knowledgeable and amenable. The course was well structured and perfectly paced. I would recommend this course to anybody who has basic programming experience and needs guidance on PERL.
Gary - Finance
Enthusiastic lecturer and very approachable, happy to answer all questions and is very knowledgeable on the subject matter. Would definitely recommend to anyone looking for a comprehensive introduction to Perl. Overall a very positive experience on this course.
Stuart - Junior Developer - IT
Wonderful instructor, very knowledgeable and kept me interested and motivated through out the course. Looking forward to taking another course with Stay Ahead.
Ken - AWACS Mission Software Integrator - Defence
Enjoyed the course. Brought some PERL code from work. Now can at least read and understand it. Thank you!
Andrew - Data Management Analyst - Marketing
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