Commands

Now that the Tcl syntax and variables have been been dealt with, we will now look at some of the commands that are available.

Each command when executed returns a value. The return value will be described along with the command.

• Notation (Tcl):
• Commands to do with variables:
• Expressions:
• Lists (Tcl):
• Control flow:
• Commands over strings:
• File I/O:
• User defined procedures:
• Global variables:
• source: