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Practical Programming in Tcl & Tk, Third Edition
By Brent B. Welch

Table of Contents
Preface


Who Should Read This Book

This book is meant to be useful to the beginner in Tcl as well as the expert. For the beginner and expert alike, I recommend careful study of Chapter 1, Tcl Fundamentals. The programming model of T0cl is designed to be simple, but it is different from many programming languages. The model is based on string substitutions, and it is important that you understand it properly to avoid trouble in complex cases. The remainder of the book consists of examples that demonstrate how to use Tcl and Tk productively. For your reference, each chapter has tables that summarize the Tcl commands and Tk widgets they describe.

This book assumes that you have some programming experience, although you should be able to get by even if you are a complete novice. Knowledge of UNIX shell programming will help, but it is not required. Where aspects of window systems are relevant, I provide some background information. Chapter 2 describes the details of using Tcl and Tk on UNIX, Windows, and Macintosh.


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