Beginning Tcl/TK

1. Introduction to Tcl/TK

• Install/Set-up Tcl/TK
• History of Tcl
• Advantages and Disadvantages of Tcl
• Creating a Simple Tcl Program
• Interactive tclsh shell

2. Tcl Basics

• Math in Tcl
• Data Types
• Command Substitution
• Grouping
• Escaping Special Characters
• Special String Characters
• Commenting Your Script
• Receiving Input in Tcl

3. Variables

• Creating Variables
• Referencing Variable’s Values
• Unsetting Variables
• Determining if a Variable Exists
• Predefined Variables

4. Lists

• What is a List?
• Creating Lists
• Returning Elements from Lists
• Creating Lists form Strings
• Creating Strings from Lists
• Modifying Lists
• Searching Lists
• Sorting Lists
• The concat Command
• The arvg List

5. Arrays

• What is an Array?
• Creating Arrays
• Returning Elements from an Array
• Removing Data from an Array
• The array Command
• The env Array
• The tcl_platform Array

6. Strings

• String Manipulation
• Finding the Length of a String
• Comparing Two Strings
• Matching a Pattern in a String
• Other String Operations
• Appending to a String

7. Regular Expressions

• What are Regular Expressions?
• The “*” and “+” Characters
• The “.” Character
• Character Sets
• The Anchor Characters
• The “?” Character
• Grouping Patterns
• Alternation
• The Backslash Character
• The regexp Command
• The regsub Command
• Other Commands that Use Regular Expressions

8. Flow Control

• Control Statements
• The if Statement
• The switch Statement
• Using while Loops
• Using foreach Loops
• Using for Loops
• Using break to Control Loops
• Using continue to Control Loops
• Catching Errors
• Exiting and Error Messages

9. Procedures

• Crating Procedures
• Passing Parameters to Procedures
• Variable Scope
• The return Statement

10. File and Process Handling

• Running UNIX or Linux Commands
• Running Commands on PCs
• Checking File Status
• File Handles
• Determining the Host Name

11. TK Basics

• Working with Windows
• Types of Widgets
• Geometry Managers
• The Big Picture

12. Widgets

• Common Optinos
• Frames & Pack
• Toplevels
• Labels
• Buttons
• Listboxes
• Scrollbars
• Scales
• Entries
• Messages

13. Menus

• Creating Menus
• Creating the Menu Options
• Adding Check, Radio, and Separator Entries
• Adding Command Entries
• Adding Cascade Entries

14. Pack

• Pack Options
• Managing Widgets
• Binding