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For 2023 (and 2024 ...) - we are now fully retired from IT training.
We have made many, many friends over 25 years of teaching about Python, Tcl, Perl, PHP, Lua, Java, C and C++ - and MySQL, Linux and Solaris/SunOS too. Our training notes are now very much out of date, but due to upward compatability most of our examples remain operational and even relevant ad you are welcome to make us if them "as seen" and at your own risk.

Lisa and I (Graham) now live in what was our training centre in Melksham - happy to meet with former delegates here - but do check ahead before coming round. We are far from inactive - rather, enjoying the times that we are retired but still healthy enough in mind and body to be active!

I am also active in many other area and still look after a lot of web sites - you can find an index ((here))

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Perl module P402
Writing Your Own Simple Client and Server
Exercises, examples and other material relating to training module P402. This topic is presented on public course Using Perl on the Web

Perl originated from a requirement to write network-aware scripts, and it's always been a great language for writing both clients and servers. You might wonder if you really need to write such programs these days but, yes, there are times that you want to write test programs against which to run a stanard client or server, and times that you want to provide a specialist tool that talks directly to another network process.

Articles and tips on this subjectupdated
3874Using Perl to read an RSS feed off a web site and extract data - via LWP and XML modules
Perl is excellent glue-ware ... something I was reminded of towards the end of Friday's Perl Programming Course. A delegate asked me how easy it is to grab an XML resource from the web (such as an RSS feed) and extract data from it. Well - you could write the code yourself, or you could use standard ...
2047Small Web Server in Perl
I would not encourage you to write your own web server in Perl, but I might suggest that you used the http protocol as a convenient intersystem communication protocol ... and that might result in you implementing part of http for the purpose ;-) With that proviso in mind, I have just added source code ...
Examples from our training material
dot   buffering - dotd come out all together
dot2   Buffering - progress bar in dots
mcopy   End of line conversion - moving data file between operating systems
miniserver.pl   Small Web Server in Perl
pf1   Finger client
pf3   Better finger client
pt3a   time and date from a series of hosts
pt4   Using local OS commands to run network processes
ptime   Simple client
sts   Simple Perl time SERVER
Learning how to use Perl behind a web site
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 [here].
Topics covered in this module
A further use of telnet.
Using RFC868 time protocol.
Using the Socket module.
Name Services.
Running network commands directly.
Other enhancements.
Writing your own simple server.
End-of-line characters.
Example - finger client.
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 Ruby, Lua, 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.

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