What Is Tcl?
Structur e of This Book
Chapter 2—Tcl Core Commands
Overview
Basic Language Features
Command-Line Options
Envir onment Variables
Special Variables
Backslash Substitutions
Operators and Math Functions
Regular Expressions
Patter n Globbing
Pr edefined I/O Channel Identifiers
Gr oup Listing of Commands
Alphabetical Summary of Commands
Chapter 3—Tk Core Commands
Example
Command-Line Options
Envir onment Variable
Special Variables
Gr oup Listing of Tk Commands
Widget Overview
Widget Commands
Utility Commands
Chapter 4—The Tcl C Interface
Constants
Data Types
Gr oup Listing of Functions
Alphabetical Summary of Functions
Chapter 5—The Tk C Interface
Constants
Data Types
Gr oup Listing of Functions
Alphabetical Summary of Functions
Chapter 6—Expect
Overview
Example
Command-Line Options
Envir onment Variables
Special Variables
Gr ouped Summary of Commands
Alphabetical Summary of Commands
Chapter 7—[incr Tcl]
Basic Class Definition
Special Variables
Gr oup 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
Gr oup Listing of Tix Commands
Tix Mega-widget Overview
Tix Mega-widgets
Tix Standard Widgets Overview
Tix Standard Widgets
Tix Cor e Commands
Tix Extensions to Tk image Command
Chapter 10—TclX
Special Variables
Gr oup Listing of Commands
Alphabetical Summary of Commands
Chapter 11—BLT
Envir onment Variable
Special Variables
Gr oup Listing of Commands
Alphabetical Summary of Commands
Chapter 12—Oratc l
Overview
Example
Envir onment Variables
Special Variables
Gr oup Listing of Commands
Alphabetical Summary of Commands
Chapter 13—Sybtc l
Overview
Example
Envir onment Variables
Special Variables
Gr oup Listing of Commands
Alphabetical Summary of Commands
Chapter 14—Tclodbc
Overview
Gr oup 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
Indir ect Refer ences
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 —Tc l Resour ces
Index