Topics

• Getting started with tcl
• Expressions
• Procedure arguments
• Dictionaries
• Control Structures
• Regular Expressions

Examples

• The Hello, world program in Tcl (and Tk)
• The problems with unbraced expressions
• A procedure that accepts a variable number of arguments
• Multiplying a variable by 17
• Calling a Tcl command from an expression
• List iteration: foreach
• Iterating over a dictionary
• Matching a literal string with a regular expression