John K. Ousterhout


This book addresses the topic of software design: how to decompose complex software systems into modules (such as classes and methods) that can be implemented relatively independently. The book first introduces the fundamental problem in software design, which is managing complexity. It then discusses philosophical issues about how to approach the software design process and it presents a collection of design principles to apply during software design. The book also introduces a set of red flags that identify design problems. You can apply the ideas in this book to minimize the complexity of large software systems, so that you can write software more quickly and cheaply.

A Philosophy of Software Design, 2nd Edition

Andrew Cherenson

Fred et al Douglis

The Sprite Network Operating System

The Tcl scripting language and the Tk toolkit - a programming environment for creating graphical user interfaces under X Windows - together represent one of the most exciting innovations in X Window System programming. Because Tcl and Tk are so easy to learn, extremely powerful, and contain so many sophisticated features, they have dramatically reduced development time for thousands of X programmers. Written by the creator of Tcl and Tk, this book is the single authoritative resource for anyone who wants to work with this extraordinary environment. The book offers an introduction and overview of Tcl and Tk and then presents detailed instructions for script writing in Tcl and working with the Tk toolkit. You will discover how Tk's windowing shell, wish, enables you to develop window-based applications with amazingly few lines of code. You will also find information on Tk's novel and powerful facility for linking applications. Many other features are also described, such as Tk's hypertext and hypergraphics widgets and Tcl's facilities for procedures, list management, and subprocess execution. For interested readers, the book also describes the C interfaces for Tcl and Tk, showing how to extend their built-in features by writing new C commands. Upon reading this book, you will learn how to produce far more powerful X Windows System applications in a fraction of the time that used to be required. "The main guide to Tcl is Tcl and the Tk Toolkit by John Ousterhout (Reading, MA: Addison-Wesley, 1994), the creator of Tcl." - Unix Review "The definitive source of information on the system is John Ousterhout's book, Tcl and the Tk Toolkit, published by Addison-Wesley." - Linux Journal "Overall, Ousterhout has provided an excellent overview (Tcl and the Tk Toolkit)of a very useful piece of software. If you're thinking of building or customizing a graphical user interface, you won't find many guides better than this." - IEEE Computer "This is an extremely well-written book, containing many figures, tables, examples, and scripts to illustrate the Tcl and Tk concepts. His presentation technique and expertise result in a superb text. I enjoyed Tcl and the Tk Toolkit and recommend it highly to anyone with any shell writing experience. Everyone who uses the X Window System will find this book helpful." - Sys Admin 020163337XB04062001

Tcl and the Tk Toolkit

Ken Jones

John K. Ousterhout’s Definitive Introduction to Tcl/Tk–Now Fully Updated for Tcl/Tk 8.5 Tcl and the Tk Toolkit, Second Edition, is the fastest way for newcomers to master Tcl/Tk and is the most authoritative resource for experienced programmers seeking to gain from Tcl/Tk 8.5’s powerful enhancements. Written by Tcl/Tk creator John K. Ousterhout and top Tcl/Tk trainer Ken Jones, this updated volume provides the same extraordinary clarity and careful organization that made the first edition the world’s number one Tcl/Tk tutorial. Part I introduces Tcl/Tk through simple scripts that demonstrate its value and offer a flavor of the Tcl/Tk scripting experience. The authors then present detailed, practical guidance on every feature necessary to build effective, efficient production applications–including variables, expressions, strings, lists, dictionaries, control flow, procedures, namespaces, file and directory management, interprocess communication, error and exception handling, creating and using libraries, and more. Part II turns to the Tk extension and Tk 8.5’s new themed widgets, showing how to organize sophisticated user interface elements into modern GUI applications for Tcl. Part III presents incomparable coverage of Tcl’s C functions, which are used to create new commands and packages and to integrate Tcl with existing C software–thereby leveraging Tcl’s simplicity while accessing C libraries or executing performance-intensive tasks. Throughout, the authors illuminate all of Tcl/Tk 8.5’s newest, most powerful improvements. You’ll learn how to use new Starkits and Starpacks to distribute run-time environments and applications through a single file; how to take full advantage of the new virtual file system support to treat entities such as zip archives and HTTP sites as mountable file systems; and more. From basic syntax to simple Tcl commands, user interface development to C integration, this fully updated classic covers it all. Whether you’re using Tcl/Tk to automate system/network administration, streamline testing, control hardware, or even build desktop or Web applications, this is the one Tcl/Tk book you’ll always turn to for answers.

Mark Harrison

Allan Brighton

This book describes a collection of extensions, tools, and applications that have played an essential role in the success of the Tcl scripting language and the Tk toolkit. Both packages are suited to a wide range of tasks, from serving as an embedded control language to controlling NASA's most advanced spacecraft.

Tcl/Tk Tools

The world's #1 Tcl/Tk tutorial, now thoroughly updated for the brand-new Tcl 8.5, written by the creator of Tcl • •Perfect for newcomers who want to master Tcl/Tk 8.5 fast - and experienced Tcl/Tk programmers who want to master its advanced features. •Includes unsurpassed coverage of Tcl 8.5's updated C programming interface. •Straightforward, concise, and packed with reliable code examples. Tcl and the Tk Toolkit, Second Edition is the fastest way for newcomers to master Tcl/Tk. And it's also the most authoritative resource for experienced Tcl/Tk programmers who want to master Tcl's important C interfaces, both to integrate Tcl/Tk code with C applications, or to create new Tcl/Tk commands. Co-authored by Tcl/Tk creator John Osterhout, it shares the extraordinarily clarity and careful organization that made the First Edition a worldwide Tcl/Tk best-seller, while incorporating substantial updates for the brand-new Tcl/Tk 8.5. For newcomers, it offers a lucid introduction to the language and its key features, as well as practical, hands-on guidance for developing production applications. For experienced Tcl/Tk programmers, it presents unsurpassed coverage of Tcl/Tk's C interfaces, with examples of using C to create new Tcl commands, and integrating Tcl with existing C applications. (A bonus section on using Tcl/Tk interfaces to develop custom Tk widgets is available for download.)

John K. Ousterhout

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