Course Overview
The Perl Programming course is designed to give delegates the knowledge to develop/maintain Perl scripts.
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
Who will the course benefit?
Programmers who need to write or maintain scripts in Perl.
Entry Requirements
Familiarisation with programming concepts is useful, this knowledge can be obtained by attendance on the Introduction to Programming course.
Follow-on Courses
• Apache Web Server
• Introduction to MySQL
• Python Programming 1
• Ruby Programming
• PHP Programming
• PHP & MySQL for Web Development
• PHP Programming & MySQL for Web Development
• Ruby on Rails
Notes
• 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.
Exam
There is no exam requirement for this course.
Course Objectives
Knowledge of Perl to write, maintain and understand Perl scripts.
Syllabus – Key points
Course Contents – DAY 1
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
Course Contents – DAY 2
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
Course Contents – DAY 3
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
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