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Perl Training Course UK

Dates and full course list

Perl Training Course UK Course Overview

Course Code:	P0010
Price:	£1750
Duration:	4 Days - custom / on-site options available - please call.
Date:
Who should attend:	Systems administrators, database administrators and testers; developers working with CGI programs or other applications.
Prerequisite Skills:	Students should be familiar with the use of a text editor. Familiarity with the basic concepts of programming would be a distinct advantage. For the CGI examples a good working knowledge of HTML is highly desirable.

Perl is a mature, extremely flexible, general-purpose language, which is especially well suited to textual manipulation. In addition to its brilliant built-in facilities, there are vast freely accessible libraries of Perl code to help build almost every conceivable application. It is for instance in many cases the language of choice for implementing web server-based CGI programs. And it’s available free-of-charge.

This four-day course covers the basic techniques and programming structures provided by Perl, suitable for applications of all types. It also covers the basics of web-based CGI programming. It is a ‘hands-on’ course with many brief, practical examples of everyday use of Perl. Small CGI examples are included throughout the course; a small CGI project may be attempted on the last day.

Course Content

All exercises and examples are designed to achieve the maximum benefit for delegates. They aim to effectively demonstrate the advanced concepts covered in the course and provide an opportunity to experiment with them; many of the exercises develop custom API’s which encapsulate complex functionality that can be used in numerous real world applications.

This course has been developed for real-world, commercial scenarios by our expert instructors. See below for detailed syllabus. If you have a technical question, please email

What you will learn

1. Fundamental principals behind Perl.
2. Data Types, Expressions, operators, and scalar data functions
3. Control Structures, Normal Arrays & Lists
4. Functions and Subroutines
5. Handling Text Files
6. Packages and modules
7. Using Perl with a Web Server Program.

Perl with CGI Training Course Outline

Introduction

Perl as a practical language
Perl applications and capabilities
Perl flavours

Basics

Program structure
Standard input, output and error
Input and output functions and constructs
Scalars and simple variables

Data types

Integers, floats, strings
More on scalar variables/assignment
Special variables
Variable scoping

Expressions, operators and scalar data functions

Creating expressions using operators
Conversion functions
Simple string functions

Control structures

Relational expressions
if and related tests
Looping
Expressions modifiers and other control structures

Normal arrays and lists

Defining normal arrays
Assigning and extracting values
foreach
Array dimensions, extending and reducing
arrays...pop, shift, push, unshift
Other array functions: sort, reverse, split, join

Functions and subroutines

Creating your own functions and
subroutines
Passing arguments; my() and local()
function
defined function
return value

Associative arrays or hashes

Defining associative arrays
Assigning and extracting values, 'unwinding'
associative arrays
Associative array functions...keys, values,
each, exists, delete

Text files

File types/modes
Filehandles and opening files for input, output and
appending...open
Reading/writing data...use of special variable $_
Closing files...close
die, warn, exit and the special variable $!
File tests, eg -e FILENAME
Using @argv for multi-file processing
In-place editing

Time functions

gmtime(), localtime(), time()
Time-related modules
times()

Regular expressions

Match operators and range operators
String pattern matching facilities

Introduction to references

Creating references; dereferencing
Multidimensional arrays via references
Anonymous data structures

Packages and module basics

Package, use and require keywords
Standard library modules and examples

Using Perl with a web server program

Preparing a Perl program for web server use
Unbundling data from the client
Sending dynamic HTML documents
Standard modules, especially CGI
Simple CGI
Simple database access from a CGI script

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