Exercises, examples and other material relating to training module T202. This topic is presented on public courses Learning to program in Tcl, Tcl Basics

---

Tcl Programming - training course - The Tcl programming language, and Expect Tcl Programming - The Tcl programming language, and Expect This course covers the fundamentals of the Tcl programming language. You'll learn about Tcl ... http://www.wellho.net/course/tbfull.html  [course]

Learning to Program in Tcl - training course - The Tcl programming language, and Expect Learning to Program in Tcl - The Tcl programming language, and Expect This course covers the fundamentals of the Tcl programming language. You'll learn ... http://www.wellho.net/course/tlfull.html  [course]

Converting between Hex and Decimal in Tcl Tcl is much used in the semiconductor industry, so there's a common requirement to use it to convert values back and forth between hexadecimal (base 16) ... http://www.wellho.net/mouth/782_Conv ... n-Tcl.html  [short article]

Comments in Tcl It's always a good idea to comment your programs. OK - I know you know that, but I find it's always a good idea to remind people too! In Tcl, you add ... http://www.wellho.net/mouth/349_Comm ... n-Tcl.html  [short article]

Variable storage - Perl, Tcl and Python compared From Monday to Wednesday, I was teaching Python to a group of delegates at a company where I have previously taught Tcl and Expect and Perl. And this ... http://www.wellho.net/mouth/2442_Var ... pared.html  [short article]

Joining lists in Tcl. Indirect variables in Tcl. With all programming languages, there seem to be a few things that you end up saying "I'm SURE there's a way to do that" .... yet you can't find out how. ... http://www.wellho.net/mouth/210_Join ... -Tcl-.html  [short article]

Buffering output - why it is done and issues raised in Tcl, Perl, Python and PHP When you go to board a plane at Heathrow, do the ground staff admit the passengers one at a time, ensuring that each is seated before the next boards, ... http://www.wellho.net/mouth/1136_Buf ... d-PHP.html  [short article]

---

Starting with a first program ("Hello World" in Tcl), we move on to cover command syntax and grouping with quotes, brackets and braces. Amongst the most important commands covered at this early stage are those that let you read from the keyboard, write to the screen and create, display and perform basic operations on variables.

This topic is presented on public courses Learning to program in Tcl, Tcl Basics

anno	A trivial Tcl program with comments
anno2	Comments - inline and continuations
gr2	Double quote substitution in Tcl
greet	Reading from the user in Tcl
gry	Variables in Tcl - first use
hddh	Hexadecimal to decimal, and decimal to hex, in Tcl
pricer	Completed simple application in Tcl - pricing tickets

Tcl trainees come from far and wide
Square brackets and braces in Tcl