Tcl Tutorial

	Scripts, commands, and words
	Evaluating a command
	Variable,command and backslash substitutions
	Quoting and comments

	Arguments
	Call by reference
	Creating new control structures

	Glob-style pattern matching
	Pattern matching with regular expressions
	Syntax:
	Formatted output
	Parsing strings with scan
	Character functions
	Seaching and comparison
	Length, case conversion, and trimming

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