7.5 hrs / 113 lessons
For: Win Vista, XP, 2000, 98, NT, Mac OS X, OS 9
PERL is a server side language whose primary duty is to handle dynamic content and service clients on the Internet.
Author Joshua Mostafa guides users through the versatile and powerful programming language that is PERL. What distinguishes PERL from other scripting languages is its great flexibility - users don't need to code in a certain way to effectively use PERL and have fun doing it. Joshua shows you what tools you need to get started in PERL and what resources to visit in perfecting your scripting.
Concepts
- Welcome: what is Perl?
- Perl and the Web
- Static Web content
- Dynamic Web content
- What you'll need (1)
- What you'll need (2)
- Your first script: hello world
- Running your first script on a web server
First Steps
- Program flow
- Variables
- Strings and quotes
- More about strings
- Basic operators
- Combined operators
- More combined operators
Data Types
- Scalars, hashes and arrays
- Working with arrays
- More about arrays
- Array functions
- More array functions
- Multidimensional arrays
- Taking elements out of arrays
- More array manipulation
- Working with hashes
- Extracting data from hashes
- Multidimensional hashes
- Now you try: Data Types
Making Choices
- Introducing conditionals
- Conditional operators
- Conditional blocks
- The equality operator
- String comparison operators
- else clauses
- The elsif ladder
- Logical operators
- Nested conditionals
- Now you try: Choices
Loops and Control Structures
- Repetition: the while loop
- Using the while loop
- The do..while loop
- Iteration: the for loop
- Looping over an array
- Nested loops
- The foreach loop
- Now you try: Loops
Strings and Pattern Matching
- Extracting a substring
- Locating a substring (1)
- Locating a substring (2)
- Changing case
- Here-document style strings
- Introducing regular expressions
- Matching simple patterns
- Case-insensitive pattern matching
- Matching globally
- Wildcards
- Character sets (1)
- Character sets (2)
- Quantifiers
- Using quantifiers (1)
- Using quantifiers (2)
- Alternation
- Subpatterns (1)
- Subpatterns (2)
- Greedy vs non-greedy quantifiers
- Examples of non-greedy matching
- Replacing using patterns
- Subpattern replacement (1)
- Subpattern replacement: (2)
- Now you try: Strings
Interacting with the Filesystem
- Reading from a file
- Writing to a file (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 (1)
- Running executable files (2)
- Command-line arguments
- Now you try: Interacting with Filesystems
CGI
- Running a CGI script on localhost
- Checking errors
- Uploading your script (1)
- Uploading your script (2)
- 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
Intermediate Coding Techniques
- Reusing code
- Subroutines
- Arguments
- Returning a value
- Explicit returns
- Variable scope
- Modules and Packages (1)
- Modules and Packages (2)
Database Interactivity
- Perl and databases
- Connection handles
- Statement handles
- Running the script
- Using placeholders in SQL
- Now you try: Database Interactivity |
