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Tips and short articles on this subject
Are you learning Perl? Some more examples for you!
Equality and looks like tests - Perl
Saying NOT in Perl, PHP, Python, Lua ...
Decisions - small ones, or big ones?
Lexical v Arithemetic testing, Bash and Perl
Smart English Output - via PHP and Perl ? : operator
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Perl module P204
Conditionals and Loops
Exercises, examples and other material relating to training module P204. This topic is presented on public courses Perl Programming, Perl bootcamp

Learning to program in Perl / Perl Programming - Programming Perl - for newcomers to the language This course introduces you to the Perl programming language. ...
http://www.wellho.net/course/ppfull.html  [course]
Learning to Program in Perl / Perl Programming - Learning Perl - whether you're new to programming or 'converting'. This course covers programming in the ...
http://www.wellho.net/course/lpfull.html  [course]
Perl Bootcamp - The fundamentals of the language. This course covers the fundamentals of the Perl programming for computer professionals who are new to ...
http://www.wellho.net/course/bpfull.html  [course]
"Isn't there one standard way to say NOT?" asked one of my delegates on today's course - and it's an excellent question. But the answer to a question ...
http://www.wellho.net/mouth/1696_Say ... -Lua-.html  [short article]
#!/usr/bin/perl # condition - if statements print "Enter a number = "; $number = ; if ($number > 10) { print "That number is over 10\n"; ...
http://www.wellho.net/resources/ex.php4?item=p204/condition  [code sample]
Whenever you do an equality check in a Perl program, you must think whether you're checking if two numbers are equal, if two test strings are equal, or ...
http://www.wellho.net/mouth/1727_Equ ... -Perl.html  [short article]
print "Enter your age "; chop ($age = ); if ($age < 21) { print "you are a youngster\n"; } elsif ($age = 21) { print "you are learning\n"; ...
http://www.wellho.net/resources/ex.php4?item=p204/nask  [code sample]

In Perl, if and while statements (and many others too) are used to control a block of code that may run many times, or may run only if a certain condition holds. This module not only introduces you to if and while, but also gives you some programming tips to help you come to grips with the increasingly complex structure that you'll be writing as your program gets longer.

This topic is presented on public courses Perl Programming, Perl bootcamp

Examples from our training material
bmi3   Demonstration with conditionals
bmi4   bmi demonstration with loops
condition   if and if - else; blocks.
din   Use of shorthand operators
dinners   nested blocks - loops and conditionals
looper   while loop
nask   if, elsif and else
numbers   how to write numeric constants
readandtotal   Reading and totalling numbers - sample answer
summer   Answer to practical (reading and summing numbers)
Pictures
Getting to grips with Perl
Background information
Some modules are available for download as a sample of our material or under an Open Training Notes License for free download from http://www.training-notes.co.uk.
Topics covered in this module
The if statement.
Conditions and blocks.
The while statement.
Shorthand operators (add and assign, ++, etc.)
Ways of writing numbers.
Complete learning
If you are looking for a complete course and not just a information on a single subject, visit our Listing and schedule page.

Well House Consultants specialise in training courses in Python, Perl, PHP, and MySQL. We run Private Courses throughout the UK (and beyond for longer courses), and Public Courses at our training centre in Melksham, Wiltshire, England. It's surprisingly cost effective to come on our public courses - even if you live in a different country or continent to us.

We have a technical library of over 700 books on the subjects on which we teach. These books are available for reference at our training centre. Also available is the Opentalk Forum for discussion of technical questions.


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