TclTk 8.5 Programming.pdf

节选段落一：
Tcl/Tk 8.5 Programming
Cookbook
Over 100 great recipes to effectively learn Tcl/Tk 8.5
Bert Wheeler
BIRMINGHAM - MUMBAI
Tcl/Tk 8.5 Programming Cookbook
Copyright © 2011 Packt Publishing
All rights reserved.


节选段落二：
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节选段落三：
Variables
As with all the programming languages, it is the variable that allows for true flexibility and
usability. Tcl differs from some scripted languages, as, there is no need to implicitly declare
the variable type.