2.1 Anatomy of a command

2.2 Grouping

2.3 Program structure

2.4 Substitution of commands

2.5 Substitution of variables

2.6 More on interpolation

2.7 Comments

2.8 That's it

3.1 User defined procedures

3.2 The if command

4.1 Tcl list

4.2 The foreach command

4.3 The lrange command

4.4 The lappend command

4.5 The lset command

4.6 The lsort command

4.7 List values against variable names

5.1 The append command

5.2 The string command

5.3 string range

5.4 string index

5.5 string equal

5.6 string compare

5.7 string match

5.8 string map

5.9 string is

5.10 More string subcommands

5.11 Advanced string matching

6.1 Converting strings to lists

6.2 From strings to list of chars

6.3 Converting lists to strings

6.4 Manipulating strings as lists

7.1 Local variables

7.2 Top level

7.3 Global variables

7.4 Procedures arguments and pass by value

7.5 Procedures with a variable number of arguments

7.6 Procedures with default arguments

7.7 Recursion

7.8 Recursion limit

8.1 The switch command

8.2 The for command

8.3 break and continue

8.4 The lack of goto

9.1 Programs executing programs: the eval command

9.2 Breaking the rules with uplevel

9.3 Passing variable names to procedures

9.4 Mapping scripts to lists

9.5 The rename command

9.6 Expanding lists into arguments in Tcl 8.5