Run the downloaded executable to install the Tcl, which can be done by following the on screen instructions. The active Tcl community edition is free for personal use. We will use this as a first program, we run on a platform you choose.ĭownload the latest version for windows installer from the list of Active Tcl binaries available. Let's have a helloWorld.tcl file as follows. It stops execution of a tcl file, in case, it encounters an error unlike a compiler that executes fully. It is just a small program that enables you to type Tcl commands and have them executed line by line. The source files for Tcl programs are named with the extension ".tcl".īefore starting your programming, make sure you have one text editor in place and you have enough experience to write a computer program, save it in a file, build it, and finally execute it. The files you create with your text editor are called source files and contain program source code. For example, Notepad will be used on Windows, and vim or vi can be used on windows as well as Linux or UNIX. Name and version of a text editor can vary on different operating systems. Examples of a few text editors include Windows Notepad, OS Edit command, Brief, Epsilon, EMACS, and vim or vi. If you are willing to set up your environment for Tcl, you need the following two software applications available on your computer −
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