PERL Tutorial Video

Prel Concepts

• Welcome: what is Perl?
• Perl and the Web
• Static Web content
• Dynamic Web content
• What you'll need Tutorials (1)
• What you'll need (2)
• Your first script: hello world
• Running your first script on a web server

First Steps

• Program flow
• Perl Variables
• Strings and quotes
• More about strings
• Basic operators
• Combined operators
• More combined operators

Data Types in Perl

• Perl Scalars, hashes and arrays
• Working with arrays in Perl
• More about arrays
• Array functions
• More array functions
• Multidimensional arrays
• Taking elements out of arrays
• More array manipulation
• Working with hashes in Perl
• Extracting data from hashes
• Multidimensional hashes Tutorials
• Now you try: Data Types

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Making Choices

• Introducing conditionals
• Conditional operators
• Conditional blocks
• The equality operator
• String comparison operators
• else clauses
• The elsif ladder
• Logical operators in Perl
• Nested conditionals
• Now you try: Choices

Loops and Control Structures in Perl

• Repetition: the while loop
• Using the while loop
• The do..while loop Tutorials
• Iteration: the for loop
• Looping over an array
• Nested loops
• The foreach loop in Perl
• Now you try: Loops

Perl Strings and Pattern Matching

• Extracting a substring
• Locating a substring Tutorials (1)
• Locating a substring (2)
• Changing case
• Here-document style strings
• Introducing regular expressions
• Matching simple patterns in Perl
• Case-insensitive pattern matching
• Matching globally
• Wildcards in Perl
• Character sets (1)
• Character sets (2)
• Quantifiers
• Using quantifiers (1)
• Using quantifiers (2)
• Alternation
• Subpatterns Tutorials (1)
• Subpatterns (2)
• Greedy vs non-greedy quantifiers
• Examples of non-greedy matching
• Replacing using patterns
• Subpattern replacement Tutorials (1)
• Subpattern replacement: (2)
• Now you try: Strings

Interacting with the Filesystem using Perl

• Reading from a file
• Writing to a file in Perl (1)
• Writing to a file (2)
• Writing to a file (3)
• Reading a files contents at once
• Changing the default output filehandle
• Reading user input from the command line
• An interactive shell script
• Refining the script (1)
• Refining the script (2)
• The script complete
• Working with directories
• Changing the current working directory
• Running executable files Tutorials (1)
• Running executable files (2)
• Command-line arguments in Perl
• Now you try: Interacting with Filesystems

CGI and Perl

• Running a CGI script on localhost
• Checking errors
• Uploading your script Tutorials (1)
• Uploading your script (2)
• Perl Environment variables (1)
• Environment variables (2)
• Serving HTML
• The query string
• Accessing GET variables
• Handling URL-encoded characters
• Using HTML forms
• Reading POST data
• Now you try: CGI

Perl Intermediate Coding Techniques

• Reusing code Tutorials
• Subroutines in Perl
• Arguments
• Returning a value
• Explicit returns
• Variable scope
• Modules and Package Tutorials (1)
• Modules and Packages (2)

Perl Database Interactivity Tutorials

• Perl and databases
• Connection handles
• Statement handles
• Running the script
• Using placeholders in SQL
• Now you try: Database Interactivity