December29,20 onthe28thofapril2012thecontentsoftheenglishaswellasgermanwikibooksandwikipedia projectswerelicensedundercreativecommonsattributionsharealike3. The gui builder application launches, and the dialog box is displayed in the gui builder workspace. Cisco ios scripting with tcl configuration guide, cisco ios release 12. Tcl scripting for cisco ios is available for free download in pdf format. Tcltool command language is a scripting language created by john ousterhout at university of california around 1991. The pdf file, you can use the pdfdetach tool including in the poppler. Arrays are the most flexible and useful data structure in tcl.
Chapter 3 presents a sample application, a cgi script, that implements a. Tcl lists, which share the syntax rules of tcl commands, are explained in chapter 5. Chapter 7 describes tcl procedures, which are new commands that you write in tcl. The utility can be invoked by calling the tcl script cbrgen. The value returned is the result of the last statement in the body of the procedure, unless explicitly returned with the return command. Interpreters perl, matlab, ruby are programs that execute programs written in a programming language immediately. It describes a set of conventions for writing code and the associated test scripts. It consists of a library package that is embedded in tools such as editors, debuggers, etc. Expects language facilities are provided by tcl, a very traditional scripting language.
Also included as part of the tutorial is a helpful reference section containing links to technical documents on component products, concepts, and terminology. How to avoid learning expect or automating automating. The tutorial is structured as a series of selfpaced modules, or chapters, that conclude with selfadministered exercises. Finding feature information, page 1 prerequisites for cisco ios scripting with tcl, page 1 restrictions for cisco ios scripting with tcl, page 2. Cisco ios scripting with tcl configuration guide, cisco. I have not done tcl script programming before, though i do believe the following links can help you. If necessary, sdx adds a package provide apphello 1. On the other hand, tk is a cross platform widget toolkit used for building gui in many languages. This book shows how to use the tcl scripting language to do just that. Procedures are normal tcl commands that are useful in packaging modules that can be reused. Free tcl books download ebooks online textbooks tutorials.
Cetus links objectoriented info featuring incr tcl tutorial introduction and code examples more than 150 pages of examples for incr tcl, incr tk and incr widgets. Tcl fundamentals 1 this chapter describes the basic syntax rules for the tcl scripting language. Tcl will call script instead of outputting normal prompt. The cisco ios scripting with tcl feature provides the ability to run tool command language tcl version 8. It describes the basic mechanisms used by the tcl interpreter. However, now it is available native on all platforms. Brent welch, ken jones, and jeffrey hobbs, three of the worlds leading tcltk experts, cover every facet of tcltk programming, including crossplatform scripting and gui development, networking, enterprise application integration, and much more. It covers syntax and basic data types such as strings, lists, and arrays. Your software release may not support all the features documented in this module. Tcl basics pdf 118p this note introduces the basics of tcl. Tcltk i about the tutorial tcl is a general purpose multiparadigm system programming language. A printable version of tcl programming is available. The following quote comes directly from the tcl tutorial.
Expect a tool for automating interactive programs don. Tcl scripting for cisco ios networking technology pdf download is the networking cloud computing tutorial pdf published by cisco press, 2010, the author is arvind durai, john lautmann, raymond blair. Download tcl scripting for cisco ios pdf ebook with isbn 10 1587059452, isbn 9781587059452 in english with 310 pages. Procedures can be defined at any time and you can pass arguments by value or by reference.
For instance, rapid prototyping, testing database interaction, etc. The cisco tcl scripts for ios gateways has been retired and is no longer supported endofsale date. It assumes that you are familiar with the planahead tool graphical user interface gui and project flows. This short tutorial will concentrate on the most basic concepts to. Tcltk applications look like they were constructed with the motif toolkit, but they can be written in a fraction of the time. Tutorial for simulation based performance analysis of ad. This is due, in part, to the highlevel programming interface that the tcl language provides. Tcl tool command language is an interpreted scripting language, with useful interapplication communication methods, and is pronounced tickle. An interpreted program runs slower than a compiled one.
Tcl tool command language is a dynamic programmingscripting. Tcl provides a a parser for a simple textual command language, b a collection of builtin utility commands, and c a c interface. The reason i use it is because i can deploy on windows or linux and use comm ports for. The language is commonly used for guis and testing. Tcltk tutorial january 23, 1996 1 tcltk advanced tutorial stephen uhler brent welch sun microsystems laboratories tcl. A pdf version of the tutorial broken down into chapter files with hyperlinks to sections can be accessed in the cae. The tcl language and tk graphical toolkit are simple and powerful building blocks for custom applications.
Addeventcallback tk appname autoloadsignal wvcreatewindow 1 to execute the tcl procedure autoloadsignal when a nwave window is created. Open the tcl tutorial project, if it is not already open. Tcltk engineering manual september 1, 1994 1 tcltk engineering manual john k. When the cli tclsh command is used, there is no event loop implemented unless. It is also due to the interpretive nature of the tcl language. Introduction this is a manual for people who are developing c code for tcl, tk, and their extensions and applications.
John ousterhout also developedtk, a platform independent graphical user interface gui library, as an tcl extension. Tcl tk i about the tutorial tcl is a general purpose multiparadigm system programming language. For the latest caveats and feature information, see bug search tool and the release notes for. Tcltk tutorial learn tcltk programming in simple and easy steps using this beginners tutorial starting from basic concepts of the language, environment. The c functions which a tcl extended c program may use. Today, i am happy to announce, that efforts did payoff and i did structure the course in a way, that now it will enable you to build your own ui using tcl.
Tcl and the tk toolkit pdf 142ptcl tool command language is a dynamic programmingscripting. It is a scripting language that aims at providing the ability for applications to communicate with each other. Getting started an introduction to opensees and tcltk. Cisco tcl scripts for ios gateways retirement notification. The tcl stands for tool command language, where the source code of a. Example tcl script using the show interfaces command 16. Chapter 2 is a short introduction to running tcl and tk on unix, windows and macintosh systems. Learn how to write scripts using the scripting programming language tcl on cisco routers. Using the tcl shell to run cli commands allows customers to.
Tcl is an open source scripting interface included in the cisco ios router operating system and is available on many. This tutorial is designed for those with experience in one or more programming or scripting languages. The tcltk combination is increasingly popular because it lets you produce sophisticated graphical interfaces with a few easy commands, develop and change scripts quickly, and conveniently tie together existing utilities or programming libraries. Its simplicity in syntax and common sensical approach to semantics makes this an easy language to learn and become proficient in. While tcltk is available on several platforms, including win32 and macos as well as several of the nix environments, this tutorial is written in the context of running on a gnulinux. The source code is compiled into bytecode, which is later interpreted by the tcl interpreter. Utilizing subcommands is a good way to make one command do multiple things without using cryptic names. Tcl tool command language is a scripting language developed for scientific and engineering applications. Tcl basics 1 tcl fundamentals 1 this chapter describes the basic syntax rules for the tcl scripting language.
The initialization script runs when the tcl shell is entered and saves manual sourcing of the individual scripts. Chapter1 describes the fundamental properties of the language. The string command treats its first argument as a subcommand. Tk library the additional c functions which a tk extended c program may use. Tcltk about the tutorial tcl is a general purpose multiparadigm system programming language. Tcl is a general purpose multiparadigm system programming language.
The command name magic itself is a script, not a compiled. Familiarity with tcl programming and cisco ios commands is required. Tk originally was an xwindow toolkit implemented as extensions to tcl. Weve bundled some of the best packages, tools, and documentation to easily adopt this language in your projects. This utility is used to generate trace files for specifying the type, duration and the rate of traffic flow in the network. Working with groups of data is a basic programming operation. Get the powered by incr tcl logo for your own web pages join a growing list of contributors. Simplify policy management using the tcl script refresh feature.
Cisco ios scripting with tcl configuration guide, cisco ios. Traditionally, users write expect scripts by studying the interaction to be automated and writing the corresponding expect commands to perform the interaction. Restrictions for cisco ios scripting with tcl if cisco ios configuration commands are used within the tcl scripts, submode commands must be entered as quoted arguments on the same line as the configuration command. Pdf4tcl is a library for generating pdf documents from tcl. Tdbc package library the additional c functions provided by the tdbc package. Synopsys design compiler tutorial ece 551 design and synthesis of digital systems.
Where to run ns2 our department unix server eustis. You can view a listing of available communications gateways offerings that best meet your specific needs. In this part of the tcl tutorial, we will talk about lists. Runs also in windows using cygwin quit complicated to install in windows windows installation and usage not introduced here. The tcl shell can be used to run cisco ios cli exec commands within a tcl script. Pdf tcl scripting for cisco ios networking technology.
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