Perl Tutorial

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Making Choices
Conditionals - Overview
Conditional Operators and Blocks
The Equality Operator Explained
String comparison Operators
Else Clauses - Overview
The elsif Ladder
Logical Operators
Nested Conditionals
Choices - an Exercise

Loops and Control Structures in PERL
Repetition: the While Loop
Applying the While Loop
The do..while Loop
Iteration: the For Loop
Looping Over an Array
Nested Loops Explained
The Foreach Loop
Loops - an Exercise

Strings and Pattern Matching
How to Extract a Substring
Locating a Substring - Lesson 1
Locating a Substring - Lesson 2
How to Change Case
Here-Document Style Strings Explained
regular Expressions - Overview
How to Match Simple Patterns
Case-Insensitive Pattern Matching
Matching Globally
Wildcards
Character Sets - Lesson 1
Character Sets - Lesson 2
Quantifiers
Using Quantifiers - Lesson 1
Using Quantifiers - Lesson 2
Alternation
Subpatterns - Lesson 1
Subpatterns - Lesson 2
Greedy Versus Non-Greedy Quantifiers
Non-Greedy Matching - Examples
How to Replace Using Patterns
Subpattern Replacement - Lesson 1
Subpattern Replacement - Lesson 2
Strings - an Exercise

Interacting with the Filesystem
Reading from a File
Writing to a File - Lesson 1
Writing to a File - Lesson 2
Writing to a File - Lesson 3
Read a Files Contents at Once
Change the Default Output Filehandle
Read User Input from the Command Line
An Interactive Shell Script
Refining the Script - Lesson 1
Refining the Script - Lesson 2
Perl Scripting Tutorial - Complete
Handling Directories
Changing the Current Working Directory
Running Executable Files - Lesson 1
Running Executable Files - Lesson 2
Command-Line Arguments Explained
Interacting with Filesystems - an Exercise

CGI in PERL
Running a CGI Script on Localhost
How to Check for Errors
Uploading your Script - Lesson 1
Uploading your Script - Lesson 2
Environment Variables - Lesson 1
Environment Variables - Lesson 2
Serving HTML
The Query String
How to Access GET variables
Working with URL-Encoded Characters
Making the Most of HTML Forms
Reading POST Data
CGI - an Exercise

Intermediate Coding Techniques
How to Correctly Reuse code
Subroutines
Arguments
Return a Value in PERL
Explicit Returns
Variable Scope Explained
Modules and Packages - Lesson 1
Modules and Packages - Lesson 2

Database Interactivity
With Databases
Connection Handles Explained
Statement Handles
Running the Script - Example
Using Placeholders in SQL Explained
Database Interactivity - an Exercise