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For 2023 - 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 Our training notes are now very much out of date, but due to upward compatability most of our examples remain operational and even relevant ad you are welcome to make us if them "as seen" and at your own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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Tcl/Tk module T244
Socket Programming
Exercises, examples and other material relating to training module T244. This topic is presented on public courses Learning to program in Tcl, Tcl Programming, Tcl Programming

If you're writing your own client or server, this module covers the terminology, technology and commands involved.

Articles and tips on this subjectupdated
4462Server program written in Tcl using sockets
Tcl includes socket libraries so that you can write your own clients and servers. Our recommendation is that you stick with standard protocols and use packages such as http rather than inventing your own - however, there might be occasions and on that basis we've got examples on our Tcl Programming course ...
785Running external processes in Tcl and Tcl/Tk
If you want to run external processes from a Tcl based program (Tcl, Tcl/Tk, expect), there are various ways of doing it. Firstly, the whole purpose of the Expect extension is to allow you to control other processes via its three major commands of spawn which starts another process, send which sends ...
Examples from our training material
kesclient   GUI (Tk) client which uses information provided by kesserv server
kesserv   Tcl Server - read from a Linux device and serve information entered by TCP/IP
tclserver   food server - pass on previous persons contribution
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
Clients and servers.
Reaching the right service.
Naming Services.
Client programming in Tcl.
A simple client.
Considerations for client programming.
Server programming in Tcl.
A simple server.
Considerations for server programming.
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 Tcl/Tk, Expect,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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