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Learning to Program in Perl - training course
Learning Perl - whether you're new to programming or 'converting'.

This course has been replaced by an updated Learning to program in Perl course

DESCRIPTION
This course covers programming in the Perl language. Whether you'll be using Perl for data manipulation tasks, administration scripts, or web interaction, you should start here.

The first sections of this course introduce you gently to computer programming, using practical examples in the Perl language and leads on to writing some simple application programs so that you can see how the elements all slot together.

The core of the course introduces further fundamental parts of Perl. You'll learn about topics such as: regular expressions, lists, subroutines and hashes, and you'll be taught how to use them together in both traditional (keyboard and screen) and Web server-based work.

The course concludes with sections on resources that are available, and a forward-looking lecture that overviews many more of the facilities available in Perl, and what they can do for you.

PREREQUISITES
Basic computer knowledge.

Getting the most from your Well House Consultants course [Link]
SUBJECT BACKGROUND
Perl is a very widely used programming language indeed, but it's name isn't well know outside the programming community as it's an open source language that lack the marketing "hype" - it's just a superb technical tool in a very wide variety of applications. It's name - PERL - stands for the "Practical Extraction and Reporting language" which is a pretty good sound-bite to tell you what it does.

A new release of Perl - Perl 6 - has been undergoing development for a considerable time. Our course covers Perl 5, and will continue to do so while it is dominant, but also includes a short look ahead to Perl 6 so that new code developers will be able to take advantage of it once it's available to them.
COURSE CONTENT
Course Summary: [Link]
Learning to Progam (module Q100) What is programing? Why are there so many langauges? Which language for what purpose? How to plan your progamming project. Making best use of existing resources.
Programming Principles (module Q101) Stored programs - running from file. Sequential operation. Very fast, but an IQ of zero. Variable and variable types. Conditions and conditional code. Loops and named blocks of code. Collections. Libraries. Pointers and references. Compilers and Interpretters. Program and system design.
Analysing a Programming Task (module Q904) A small job. Learning about the job. Working it out. Writing. Testing. Error handling. As a job gets larger.
Programming Algorithms (module Q110) Sorting. Coverage. Mean time between failure. Halflife.
 
Perl Fundamentals
Introduction (module P201) What is Perl? What computers does Perl run on? Is Perl loaded on my computer (and if not, where do I get it?) Versions of Perl. Examples of Perl in use.
Perl Fundamentals (module P202) First practical Perl program. Executable statements, comments and POD documentation. Print statements. Variables and assignments. Calculations. Reading data. Strings v numbers. String operators.
Conditionals and Loops (module P204) The if statement. Conditions and blocks. The while statement. Shorthand operators (add and assign, ++, etc.) Ways of writing numbers.
Initial String Handling (module P205) String handling functions. String handling operators. Single- and double-quoted strings. Here documents, qq, etc. Exact string comparisons. Regular expression matching. Regular expression components.
More Loops and Conditionals (module P206) The variety of Perl. Single statement conditionals. Unless. Conditional operators. The until loop. The for loop. Single statement loops. Breaking a loop. Labels.
File Handling (module P207) File handles. The open and close functions. Reading and writing files. Other things you can do with the file interface. File testing. Formatted printing. Formatting variables and expressions. Constant text. sprintf.
 
The Power of Perl
Lists (module P208) What is a list? Creating a list. Referencing elements in a list. Changing a list. The length of a list. List and scalar context. Functions that operate on lists. List slices. Anonymous lists.
Subroutines in Perl (module P209) The what and why of subroutines. Structured and object oriented programming. Calling a subroutine. Loading a subroutine from another file. Passing parameters. Writing subroutines. Returning values. Variable scope. Local, my and package variables. Loading a class and using objects. Instances.
Topicalization and Special Variables (module P210) Command-line parameters and the name of your program. Informational variables. Behaviour-changing variables. $_ - the default input and pattern matching variable. More command-line options.
Hashes (module P211) What is a hash? Setting up a hash. Keys and values. Accessing a hash. Processing every element. Sorting. cmp and operators. Programming techniques for hashes. Deleting hash elements. Special hashes. The environment.
More on Character Strings (module P212) Summary to date. Extracting information from a match. Assigning to a list. Greedy and non-greedy matching. Pre- and post-match strings. Match modifiers. Comments within a regular expression. Alternative delimiters. Substitution. Substitute and execute. Regular expression efficiency. The tr function. Handling binary data - read, unpack etc.
More than Simple Lists and Hashes! (module P217) Multidimensional arrays. Something more complex. Design matters.
Creating your own Classes (module P213) Resume - using a class. Background to instance variables - pointers and references. new - the constructor. blessing. Other methods in a class. Using more complex structures to store data in a class. Extended capabilities by using hashes. AUTOLOAD.
More Objects (module P218) Where to look for modules. Inheritance and hierarchy; base and derived classes. Special methods BEGIN, END, DESTROY and import. Export and Exporters.
 
Application of Perl
Libraries and Resources (module P219) Standard Perl modules. Pragmata - strict, integer, constants, overload and others. Modules distributed with Perl - Benchmark, Carp, English, Data::Dumper and others. The CPAN - sourcing, downloading and installing modules. Useful major modules such as Tk, CGI, DBI and DBD. XML, LWP, Win32 and other modules. Utilities supplied with Perl - a2p s2p pod2html perldoc, etc. Documentation - Perl manual, FAQ, etc; sources online and offline. Websites, newsgroups, IRC and books. Local user groups, Perl Mongers. Getting training and support.
Perl 6 Look Ahead (module P256) What's new in Perl 6? Objects with properties; memorise, constant, is and but. Class keyword, new bless, and the . operator. Interprollation of $(...) and @(...), and the _ operator. Multiple comparisions and the smart comparison operator. Golden nuggets - err, open, time, here docs etc. Parameter lists, parameter naming and parameter autonaming. The := binding, refs and types. Asuume bindings. Topicalisation. Subroutine, conditional and loop changes. try and CATCH. LAST, FIRST, PRE, POST, KEEP and UNDO. grammars and rules. Parrot.

TUTOR and COURSE AUTHOR
Graham Ellis - graham@wellho.net [email]  [about Graham]
VENUE
Melksham, Wiltshire
Public courses run at Well House Manor - our own purpose fitted training centre and business hotel / conference centre in Melksham.
• Download Melksham Map - [pdf file (750k)] • Google Map - [Link]
PRICE
1 student   2 students   3 students   For 4 or more students
from the same company,
please consider a private course.
 With hotel room
£1900.00
(£2280.00 inc VAT)
Without room
£1550.00
(£1860.00 inc VAT) 
 With hotel rooms
£3750.00
(£4500.00 inc VAT)
Without rooms
£3050.00
(£3660.00 inc VAT) 
 With hotel rooms
£5600.00
(£6720.00 inc VAT)
Without rooms
£4550.00
(£5460.00 inc VAT) 
 
Notes:
• Multiple discount applies to bookings for second and subsequent delegates on the same running of a course, and on same order.
• Hotel rooms are available for arrival the night before the course starts, for departure after the end of the course on the last day.
FOLLOW UPS
For some applications, you'll learn all the Perl you need on this course. For other applications, you might want to go on to our advanced Perl courses - Using Perl on the Web or Perl for Larger Projects

Upon completion of your course, you'll have online access to the source code of all the examples from the course, and you'll have access to the "Ask the Tutor" forum where you can raise questions. We also encourage you to email the tutor, and to visit us again to use our library as appropriate.

Certification? - [Link]
FOR FURTHER INFORMATION
Public (scheduled) courses -- http://www.wellho.net/course/ctc.html
For more information about our public courses in general, such as class size, course times, materials provided, special requests, accommodation list, finding our centre, etc.
Terms and Conditions -- http://www.wellho.net/net/terms.html
Covering topics such as delegate substitution, payment, cancellation policy and other matters.

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