Tcl is a dynamic programming/scripting language based on concepts of Lisp, C, and Unix shells. It can be used interactively, or by running scripts (programs) which can use a package system for structuring, hence allowing to do much with little code.
The name Tcl is derived from “Tool Command Language” and is pronounced “tickle”. Tcl is a radically simple open-source interpreted programming language that provides common facilities such as variables, procedures, and control structures as well as many useful features that are not found in any other major language.
Tcl was created in 1988 by John Ousterhout and is distributed under a BSD style license. The first major GUI extension that works with Tcl is Tk, a toolkit that aims to rapid GUI development. That is why Tcl is now more commonly called Tcl/Tk.
Tcl is available for Linux, Windows, Mac OS X, as well as other platforms, as open-source software under BSD-like license, or as pre-built binaries.
Here’s our recommended tutorials to learn Tcl.
1. Tcl Tutorial by Clif Flynt
This tutorial is published under as BSD license.
2. Tcl Tutorial by Jan Bodnar
In this tutorial you will learn the Tcl language. The tutorial is suitable for beginners.
3. Tcl Tutorial by Clif Flynt, Neil Madden, Arjen Markus, David Welton and others
The tutorial is intended as a companion to the Tcl manual pages which provide a reference for all Tcl commands.
4. Learn Tcl in Y Minutes by Poor Yorick
This is an excellent walkthrough and cheatsheet.
5. Tcl for Web Nerds by Hal Abelson, Philip Greenspun, and Lydia Sandon
The authors hope that a professional programmer or MIT student can breeze through the material in one evening. By the end of the evening, that person should have learned Tcl, learned a little something about the Web, and not have been bored.
6. The Linux Tcl and Tk HOWTO by Luca Rossetti
This document describes the Linux approach to Tcl, a scripting langua ge. It is an easy to learn interpreted language that uses a typeless approach to achieve a higher level of programming and a rapid application development.
All tutorials in this series:
|Free Programming Tutorials|
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|Python||General-purpose, structured, powerful language|
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|C#||Combines the power and flexibility of C++ with the simplicity of Visual Basic|
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|Pascal||Imperative and procedural language designed in the late 1960s|
|Perl||High-level, general-purpose, interpreted, scripting, dynamic language|
|R||De facto standard among statisticians and data analysts|
|COBOL||Common Business-Oriented Language|
|Scala||Modern, object-functional, multi-paradigm, Java-based language|
|Fortran||The first high-level language, using the first compiler|
|Scratch||Visual programming language designed for 8-16 year-old children|
|Lua||Designed as an embeddable scripting language|
|Logo||Dialect of Lisp that features interactivity, modularity, extensibility|
|Rust||Ideal for systems, embedded, and other performance critical code|
|Lisp||Unique features - excellent to study programming constructs|
|Ada||ALGOL-like programming language, extended from Pascal and others|
|Haskell||Standardized, general-purpose, polymorphically, statically typed language|
|Scheme||General-purpose, functional, language descended from Lisp and Algol|
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|Forth||Imperative stack-based programming language|
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|Julia||High-level, high-performance language for technical computing|
|SQL||Access and manipulate data held in a relational database management system|
|Erlang||General-purpose, concurrent, declarative, functional language|
|VimL||Powerful scripting language of the Vim editor|
|OCaml||General-purpose, powerful, high-level language|
|Awk||Versatile language designed for pattern scanning and processing|
|Racket||Platform for programming language design and implementation|
|BASIC||Family of general-purpose, high-level programming languages|
|LaTeX||Professional document preparation system and document markup language|
|Elixir||Relatively new functional language that runs on the Erlang virtual machine|
|Dart||Client-optimized programming language for fast apps|
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|F#||General purpose, strongly typed, multi-paradigm language. Part of ML|
|Chapel||Parallel-programming language in development at Cray Inc.|
|Dylan||Multi-paradigm language, supports functional & object-oriented programming|
|D||General-purpose systems programming language with a C-like syntax|
|Solidity||Object-oriented, high-level language for implementing smart contracts|
|XML||Set of rules for defining semantic tags that describe the structure and meaning|
|Vala||Object-oriented language with a self-hosting compiler that generates C code|
|ECMAScript||Best known as the language embedded in web browsers|
|Kotlin||Statically typed, general-purpose programming language with type inference|
|Markdown||Plain text formatting syntax designed to be easy-to-read and easy-to-write|
|Pike||Interpreted, general-purpose, high-level, cross-platform, dynamic language|
|HTML||HyperText Markup Language|
|Factor||Dynamic stack-based language|
|Objective-C||General purpose language which is a superset of C|
|Standard ML||One of the two main dialects of the ML language|
|Alice||Educational language with an integrated development environment|
|Agda||Dependently typed functional language based on intuitionistic type theory|
|Icon||High-level, general-purpose language|
|PureScript||Small strongly, statically typed language with expressive types|
|Tcl||Dynamic language based on concepts of Lisp, C, and Unix shells|
|QML||Hierarchical declarative language for user interface layout with a syntax to JSON|
|VHDL||Very High Speed Integrated Circuit Hardware Description Language|
|OpenCL||Open Computing Language|
|Haml||HTML Abstraction Markup Language|
|J||Array programming language based primarily on APL|