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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 Our training notes are now very much out of date, but due to upward compatability most of our examples remain operational and even relevant ad you are welcome to make us if them "as seen" and at your own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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Tcl/Tk module T248
A Review of Tcl and Tk Basics
Exercises, examples and other material relating to training module T248. This topic is presented on public course Tcl/Tk

For trainees who have studied some basic Tcl on their own, or on an earlier course, this module reviews the basics of the language in order to prepare trainees for additional learning on Tk, Expect, other extensions or advanced features of Tcl.

Related technical and longer articles
What makes a good variable name?
Brackets and Braces in Tcl

Articles and tips on this subjectupdated
4208Tcl + Tk (Wish) - an introduction and revision example
Whenever I teach Tcl with Tk, I'm delighted to be reminded how easy it is to put together a graphic user interface (GUI) with Tcl. They may not be the world's prettiest, but they're quick, straightforward and functional. And so it was on the final day of our Tcl Programming course last week, when I did ...
1469Curley brackets v double quotes - Tcl, Tk, Expect
In Tcl, both Curley braces and double quotes can be used to hold a block of program or data together as a single unit / parameter ... but there are differences ... a) Curley braces can stretch over a number of lines, with new lines within the block being simply a part of the block. So they're ideal ...
1181Good Programming practise - where to initialise variables
It's a good idea to initialise your variables directly before you use them for the first time if you're going to use them as accumulators. By accumulator I mean that you're going to write assignments such as:   $n += 4; # Perl   incr notepad; # Tcl   lappend flcodes [lindex ...
1174Installing Tcl and Expect on Solaris 10 - a checklist
Hot off the presses from the last couple of days - a check list (and a couple of "Gotcha" notes) concerning the installation of Tcl and Expect on a Solaris 10 system, compiling from scratch were possible. You'll need a C Compiler We used gcc (the Gnu C compiler) and we installed it from Sun standard ...
1092Tcl training - often for a larger group
There's a different 'metric' for courses in the different languages we teach - PHP programmers come in ones and twos much of the time, but almost all of the Tcl training we do is for larger groups of delegates, in private courses at their place of work. Why is this? Tcl is used as an embedded element ...
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
Language constructs.
Basic command syntax.
Regular expressions.
Tcl Commands.
Basic commands.
Loop and control commands.
String handling commands.
List commands.
Array commands.
Handling files.
Other commands in Tcl.
Special variable in Tcl.
Tk Overview.
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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