Perl Training Overview
This course teaches advanced concepts and capabilities that can be
used to write procedures in Perl (V5), especially the new interfaces
that use object-oriented features.
Perl Training Objectives
Each student will be able to use Perl techniques and commands
to write scripts to perform various user and administrative tasks,
implementing advanced features of the language.
Perl Training Prerequisites
Completion of the Programming Perl: Basics/Intermediate course is
assumed, or a knowledge of the Perl programming language.
Perl Training Course duration
This course normally requires four (4) days, approximately 50%
lecture and 50% lab time.
Perl Training Course outline
Using Perl References
- Purpose of references
- Querying a reference
- Symbolic references
- References to functions
- named functions
- anonymous functions
- callbacks
- Multi-dimensional arrays
- Complex data structures
Using Perl Typeglobs
- Perl variables, symbol tables, and scope
- Typeglobs compared with references
Perl Modules and Packages
- Basic packages
- Packages and component files
- Initialization and destruction
- Accessing the symbol table
- Preparing a package for distribution with h2xs
Object Oriented Perl Programming
- Objects in Perl
- Inheritance
- Argument passing mechanisms
- Methods of Data Persistance
- FreezeThaw.pm
- Storable.pm
- MLDBM.pm
Perl Scripts for Networking with Sockets
- Server-side functions and setup
- Client-side functions and setup
Miscellaneous Topics
- Installing Perl modules from the CPAN
- Adding documentation to a module/program
Launching Tk Applications
- Building the Tk extensions within Perl
- Writing and executing Tk-Perl scripts
Interfacing Tk Applications with Perl
- Tk-extension widget templates
- Using Tk-extension widgets within Perl
- Buttons - push,radio,check,menu
- Dialogs - dialogbox,text,message
- Scrolls - scrollbar,listbox,file browser
- Help - balloon and status messages
- Undocumented and composite widgets
Overview of Data and Databases
- Usage on various types of systems
- Historical interfaces
- Role of Perl in data acquisition and access
Relational Databases
- Methodology
- Quick overview of SQL (statements)
- Datatypes
- Querying data
- Creating and destroying tables
- Modifying data in tables
The Perl Database Interface Extensions
- Obtaining necessary files
- Extending Perl with DBI
- DBI architecture (within Perl)
Programming the Perl DBI
- Handles
- Data Source Identifiers
- Database connection / disconnection
- Error handling
- Miscellaneous utility methods
- Simple queries
- Non-SELECT statements
- The do( ) and prepare( ) methods
- Attributes and metadata
- Transaction locking
CGI Capabilities in Perl Scripts
- Interactions between a WebServer and Perl scripts
- Variables
- user-defined
- Perl built-ins
- defined by the Web server
- Pre-built Perl library parsing functions
- Using CGI.pm
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