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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.
Server 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 and web site - source here.

This application is a gift server - you connect in and pass in a gift (it's a good way to move something that you don't want on) and you'll be given back in return whatever it was that the previous person donated.

Here's the server display (upper window) and the client session I was running:



Code (link avove) is documented ... you'll possibly want to handle multiple concurrent connections, timeouts, etc, for real live application - but the starting point is these principles.
(written 2015-03-13, updated 2015-03-15)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
T244 - Tcl/Tk - Socket Programming
  [785] Running external processes in Tcl and Tcl/Tk - (2006-06-29)


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Moving from C to C++ - Structured to Object Oriented - a lesson for engineers
Sockets, time handling and keyboard interrupt handling in C
Catching up on a week all in a single post (?)
Rail Conference, Nottingham
Server program written in Tcl using sockets
Reading from a URL, and reading Json, from your Tcl script
Using Object Oriented Tcl and the Tk toolkit together - real life example
Managing the window size (and layout) in Tcl/Tk
A new Tcl/tk example - a window to show system status
Test framework for TCL - Tcltest - some examples
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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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