Aug 6, 2017 · Tcl Developer SiteHOME ABOUT TCL/TK SOFTWARE CORE DEVELOPMENT COMMUNITY DOCUMENTATION

Typically, extensions are used for lower-level functions where C programming is convenient, and procedures are used for higher-level functions where it is easier to write in Tcl.

The Tcl Programming Language: A Comprehensive Guide, Second Edition (2025), by Ashok Nadkarni, focuses on the Tcl language itself in great detail. Covers Tcl 9.0.

Tcl (Tool Command Language) is easy to learn and you can create a useful program in minutes! You are free to use it however you wish, even in commercial applications.

The tutorial is intended as a companion to the Tcl manual pages which provide a reference for all Tcl commands. It is divided into brief sections covering different aspects of the language.

Tcl is an ideal language to use for automated hardware and software testing, and it may well be the dominant language used for this purpose. With Tcl you can easily connect to testing …

Feb 25, 2018 · Tcl is a simple-to-learn yet very powerful programming language. Its syntax is described in just a dozen rules, but it has all the features needed to rapidly create useful …

Getting Started Introduction Running Tcl Simple Text Output Assigning values to variables Evaluation & Substitutions 1: Grouping arguments with "" Evaluation & Substitutions 2: …

Tcl doesn't have a concept called "statement". Tcl features like the uplevel command makes it possible to design constructs that in other language, require additional concepts like "statement".

See Also Beginning Tcl Tcl/ Tk Tutorial, Part II: Language Overview Two parts to learning Tcl: 1. Syntax and substitution rules: Substitutions are simple, but may be confusing at first. 2. Built-in …