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For 2021 - online Python 3 training - see ((here)).

Our plans were to retire in summer 2020 and see the world, but Coronavirus has lead us into a lot of lockdown programming in Python 3 and PHP 7.
We can now offer tailored online training - small groups, real tutors - works really well for groups of 4 to 14 delegates. Anywhere in the world; course language English.

Please ask about private 'maintenance' training for Python 2, Tcl, Perl, PHP, Lua, etc.
What is CGI.pm / A dozen new examples

Perl's CGI.pm module allows both a structured and Object Oriented approach to generating and handling web pages via the Common Gateway Interface. It was written (a long time ago now) to provide a library of routines to help Perl programmers write web applications without having to (re)write or roll their own Common Gateway Interface code, and to provide a logically robust tool to ensure that tags balanced, via functions which generate both open and close elements writing the same single call.

CGI.pm - with so much to do - is a very large module, and there are a lot of different function calls to learn if you're going to use all the parts of it. So it is arguable as to how much you gain by using it - in other words, whether the positives outweigh the negatives. Personally, I make use of some elements such as CGI::Cookie, which provides Perl code to handle the unique date stamp format that cookies, use, then I 'roll my own' for the rest. But then I am a bit of a geek who knows the protocols, and I'm always looking for lean demos ...

We have a major training module on Using the CGI.pm modules, which we present briefly during our Perl on the Web course. There are over a dozen source code examples there ... and yesterday, I notes that they weren't available on our web site for delegates to access after the course ... well - the are now - follow this link!
(written 2009-06-12)

Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
P412 - Perl - Using CGI.pm

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Transforming data in Perl using lists of lists and hashes of hashes
Why sendmail one way, and pop3 the other?
What is CGI.pm / A dozen new examples
Running a piece of code is like drinking a pint of beer
Do not re-invent the wheel - use a Perl module
Where do I start when writing a program?
Learning PHP, Ruby, Lua and Python - upcoming courses
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