By Clif Flynt (Auth.)

ISBN-10: 0123847176

ISBN-13: 9780123847171

  • ''The top machine programmers are astonishingly extra efficient than regular. One cause is they use strong instruments, they usually use them good. Clif Flynt's Tcl/Tk: A Developer's consultant, moment Edition is helping you enhance your effectiveness as a developer in either one of those methods. Tcl is a software program language with an outstanding go back on investment—it achieves transportable, strong, in your price range effects with nice economic climate. quite a few traces of Tcl are adequate to create purposes which are either fascinating and beneficial. Clif attracts on his deep event as a front-line developer that will help you get the main out of Tcl. He writes in actual fact, and has prepared his booklet with instructive examples that train the necessities of Tcl. He covers the fitting fabric too: Tcl/Tk packs in not only such long-standing Tcl strengths comparable to its effortless networking and graphical person interface, but in addition the most recent breakthroughs with internationalization, widget improvements, and StarPacks. are looking to take your programming to the following point? Get Tcl/Tk: A Developer's advisor, moment Edition.''


    — Cameron Laird is vice chairman of Phaseit, Inc. (http://phaseit.net), the place he makes a speciality of quick company Integration with Tcl and comparable instruments. His common courses on info know-how comprise the preferred ''Regular Expressions'' column (http://regularexpressions.com).


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''The most sensible machine programmers are astonishingly extra efficient than common. One cause is they use strong instruments, they usually use them good. Clif Flynt's Tcl/Tk: A Developer's consultant, moment variation is helping you enhance your effectiveness as a developer in either one of those methods. Tcl is a software program language with a very good go back on investment—it achieves transportable, robust, inexpensive effects with nice economic climate.

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Extra info for Tcl/Tk. A Developer's Guide

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Format %d 0xff 255 u The argument should be an integer. Replace the field with the decimal representation of this integer treated as an unsigned value. % format %u -1 4294967295 o The argument should be an decimal integer value. Replace the field with the octal representation of the argument. % format %o 0xf 17 X or x The argument should be a decimal integer. Replace the field with the hexadecimal representation of this integer. % format %x -1 ffffffff 52 CHAPTER 3 Introduction to the Tcl Language f The argument should be a numeric value.

2 Controlling Substitutions with Quotes, Curly Braces, and the Backslash Most Tcl commands expect a defined number of arguments and will generate an error if the wrong number of arguments is presented to them. When you need to pass an argument that consists of multiple words, you must group the words into a single argument with curly braces or with quotes. The difference between grouping with quotes and grouping with braces is that substitutions will be performed on strings grouped with quotes but not on strings grouped with braces.

203 What command line would start a wish interpreter with the title “My Wish Application” in the window decoration? ) 300 Each window created in wish needs to have a unique name starting with a lowercase letter. Write a wish script that creates labels: one label should contain your name, one your favorite color, and one a numeric value (which might be the air speed of a swallow). 0 (not Windows). Which was ported, and why not the other? CHAPTER Introduction to the Tcl Language 3 The next five chapters constitute a Tcl language tutorial.

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