Exercises, examples and other material relating to training module P408. This topic is presented on public course
Using Perl on the Web
Using Perl on the Web - CGI, mod-Perl, and other standards. Sessions, cookies, content management, etc.
This advanced course takes the Perl programmer ... http://www.wellho.net/course/pwfull.html [course] |
I'm reminded on today's Perl course just how powerful some of the modules are, and how much you can do in so little code.
LWP::UserAgent turns your Perl ... http://www.wellho.net/mouth/2402_Aut ... -Perl.html [short article] |
As well as running server side scripts (through CGI, modPerl or ASP) and many uses independent of networks, Perl can be used to write server processes, ... http://www.wellho.net/solutions/perl-usi ... ients.html [longer article] |
During courses, questions arise. "I'll get back to that" could make people feel that I'm brushing something off ... except that I explain, early on, ... http://www.wellho.net/mouth/975_Answ ... tions.html [short article] |
"If you think 'surely someone has done this before', you're probably right ... and in Perl, you'll find the resource you need available as a module on ... http://www.wellho.net/mouth/2229_Do- ... odule.html [short article] |
Question: "I have a web page that I visit which sends me an initial response to say that it's working on the results, and then the results appear a few ... http://www.wellho.net/mouth/2416_Aut ... -page.html [short article] |
#!/usr/bin/perl
use LWP::Simple;
$site = "http://www.wellho.net";
# Sample (simplified code!) to reduce all URLs to a full, standard format
sub canonicalise ... http://www.wellho.net/resources/ex.php4?item=p408/page_checker [code sample] |
You're not the first person to write a CGI script in Perl. If you want to use standard modules from the CPAN, or supplied with Perl itself, there are plenty out there and we introduce you to some of them in this training module.
This topic is presented on public course
Using Perl on the Web
Examples from our training material
| cc2 | Use LWP UserAgent to check and see if a remote site has changed |
| cgi1.pl | Simple demo of CGI.pm |
| cgilite.pl | Using CGI_Lite.pm - simple example |
| cgis.pl | Using CGI.pm as a structured code |
| cookie.pl | Setting, reading and deleting cookies |
| ecbgrab.pl | Grabbing a network resource through LWP UserAgent |
| goodlinks | Validate links from a page (LWP) |
| grab2 | A first example - grabbing a web page via LWP |
| page_checker | Using LWP::Simple to find all links from a web page |
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
CGI Modules.
CGI.pm.
CGI-Lite.
Using CGI for cookies.
Legal and security issues with cookies.
Using LWP to write your own clients.
A note of caution.
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.