September 2009
Intermediate to advanced
816 pages
19h 38m
English
Content preview from Tcl and the Tk Toolkit, Second Edition
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1. An Overview of Tcl and Tk
This chapter introduces Tcl and Tk with a series of scripts illustrating their main features. Although you should be able to start writing simple scripts after reading this chapter, the explanations here are not complete. The purpose of this chapter is to show you the overall structure of Tcl and Tk and the kinds of things they can do, so that when individual features are discussed in detail you’ll be able to see why they are useful. All of the information in this chapter is revisited in more detail in later chapters, and several important aspects, such as the Tcl C interfaces, are not discussed at all in this chapter.
1.1 Getting Started
To invoke Tcl scripts, you must run a Tcl application. If Tcl is installed ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.