Practical Programming in Tcl/Tk is described as the "bible" for Tcl programmers. It is a guide to the Tcl/Tk programming language and GUI toolkit. This revision includes substantial updates to cover the new version 8.4-giving both an overview of the features, as well as details about every command in the language. The third edition, written on version 8.2, sold over 30,000 copies. Version 8.4 of Tcl - Tool Command Language-provides substantial updates to one of the most popular UNIX scripting languages. The latest release, includes the addition of a virtual filesystem (VFS), many additional programming widgets (spinbox, panedwindow, labelframe),and improved performance of about 20% over 8.3. The book provides a guide to the best ways to use the tooklit. It not only gives accurate details, but includes extensive examples that demonstrate the best way to use the toolkit. The authors are experts that have both developed the technology and used it to solve problems, so they have many valuable insights to relate to the readers.

About the Author

BRENT B. WELCH is a software architect at Panasas, and former researchengineer at Sun Microsystems and Xerox� PARC. He served as senior webengineer at Scriptics, and has been involved in Tcl and Tk from theirearliest days, developing major Tcl applications such as the exmh email userinterface and TclHttpd web server.

Ken Jones has provided training and documentation for software developersfor almost 20 years. He has specialized in the Tcl/Tk language since 1998.

Jeffrey Hobbs is a member of the Tcl Core Team and the release manager forTcl/Tk core. As Senior Developer at ActiveState, he is technical lead forTcl technologies. He served as Tcl Ambassador for Scriptics, and maintainsthe Tk Usage FAQ.

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