Paul Raines is a physicist and scientific programmer at the Stanford Linear Accelerator Center at Stanford University where he is part of a large collaboration studying CP violation (why charge times parity is not conserved in some particle decays, an arcane research topic that bears on the more understandable question of why there is an excess of matter over antimatter in the universe). He is a huge advocate of scripting languages and has been using Tcl on various projects since 1992. He also maintains a freely distributable quick- reference guide for Tcl/Tk, now published as O'Reilly & Associates' Tcl/Tk Pocket Reference. When he can get away from the lab, Paul enjoys hiking, bridge, and soccer. He lives in San Mateo, California, with his wife Deborah and her horse and three cats.

Jeff Tranter works as a software designer for a Canadian telecommunications company and has been using Tcl since 1992 on a number of programming projects related to software tools and testing. He is an active user of Linux, a contributor to the Linux Documentation Project, and author of the O'Reilly book Linux Multimedia Guide. His hobbies include Ham radio, playing guitar, and mountain biking.

Table of Contents

Preface
Chapter 1. Introduction

   What Is Tcl?

   Structure of This Book
Chapter 2. Tcl Core Commands

   Overview

   Basic Language Features

   Command-Line Options

   Environment Variables

   Special Variables

   Backslash Substitutions

   Operators and Math Functions

   Regular Expressions

   Pattern Globbing

   Predefined I/O Channel Identifiers

   Group Listing of Commands

   Alphabetical Summary of Commands
Chapter 3. Tk Core Commands

   Example

   Command-Line Options

   Environment Variable

   Special Variables

   Group Listing of Tk Commands

   Widget Overview

   Widget Commands

   Utility Commands
Chapter 4. The Tcl C Interface

   Constants

   Data Types

   Group Listing of Functions

   Alphabetical Summary of Functions
Chapter 5. The Tk C Interface

   Constants

   Data Types

   Group Listing of Functions

   Alphabetical Summary of Functions
Chapter 6. Expect

   Overview

   Example

   Command-Line Options

   Environment Variables

   Special Variables

   Grouped Summary of Commands

   Alphabetical Summary of Commands
Chapter 7. [incr Tcl]

   Basic Class Definition

   Special Variables

   Group Listing of Commands

   Example

   Alphabetical Summary of Commands
Chapter 8. [incr Tk]

   Basic Structure of a Mega-widget

   Special Variable

   Methods and Variables

   Alphabetical Summary of Commands
Chapter 9. Tix

   Tix Overview

   Special Variables

   Group Listing of Tix Commands

   Tix Mega-widget Overview

   Tix Mega-widgets

   Tix Standard Widgets Overview

   Tix Standard Widgets

   Tix Core Commands

   Tix Extensions to Tk image Command
Chapter 10. TclX

   Special Variables

   Group Listing of Commands

   Alphabetical Summary of Commands
Chapter 11. BLT

   Environment Variable

   Special Variables

   Group Listing of Commands

   Alphabetical Summary of Commands
Chapter 12. Oratcl

   Overview

   Example

   Environment Variables

   Special Variables

   Group Listing of Commands

   Alphabetical Summary of Commands
Chapter 13. Sybtcl

   Overview

   Example

   Environment Variables

   Special Variables

   Group Listing of Commands

   Alphabetical Summary of Commands
Chapter 14. Tclodbc

   Overview

   Group Listing of Commands

   Summary of Commands
Chapter 15. Hints and Tips for the Tcl Programmer

   Think Commands, Not Statements

   Comments Are Treated as Commands

   A Symbolic Gesture

   Lists Are Strings, but Not All Strings Are Lists

   Indirect References

   Executing Other Programs

   When Is a Number Not a Number?

   Quoting and More Quoting

   Write Once, Run Where?

   Common Tk Errors

   Use the Source, Luke!
Appendix A. Tcl Resources
Index

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