Tcl script examples pdf

Example 1 is a general tcl script that shows how to create a procedure and call it, how to assign values to variables, and how to make a loop. Welch, ken jones, jeffrey hobbs, practical programming in tcl and tk 4th edition. Tcltk i about the tutorial tcl is a general purpose multiparadigm system programming language. Chapter 3 presents a sample application, a cgi script, that implements a guestbook for a. This chapter describes the basic syntax rules for the tcl scripting language. It is a scripting language that aims at providing the ability for applications to communicate with each other. Tcl lists, which share the syntax rules of tcl commands, are explained in chapter 5. Tcl script here you have an example posted on 02092007 by vcappuccio what is tcl or the tool command language, is a very simple, opensourcelicensed programming language. When the button is pressed should a shell command be executed and the output piped to the text widget. To access the help information, type help at a tcl prompt, as shown in example 31.

It describes the basic mechanisms used by the tcl interpreter. An introduction to tcl scripting for cisco ios devices. Table 1 also contains examples that demonstrate a functional simulation for intel memories and a timing simulation of a phaselocked loop pll circuits inside intel devices. Tcl is a stringbased, interpreted command language. The scripts we create will 1 wipe your router config clean and automagically reboot your router, 2 place all the device configs in tcl scripts for ccnp routev7 lab 7. When we use tcl, for example from command promptterminal try to run tclsh it provides default prompt % to user and asks for input. The first tcl script information sciences institute. Building androwish requires the android sdk and android ndk. With tcltools you can transform any cisco ios hardware into a pivoting station. Startup and shutdown tcl script examples fme community. For example, if the install point is usrlocal, ensure that usrlocalbin is in your path. Many people use tcl for this purpose already but in an ad hoc way and without. A single unit of text after the puts command will be printed to the standard output device. Tcl scripting is much sought after skill set for every vlsi engineer.

Tcl scripts in the design examples section of the support area on the altera website. When the button is pressed should a shell command be executed and the output piped to the text widget if you have other nice and clean examples for useful tasks, please add them too. Mohammed watheq assistant professor ainshams university date. Many example scripts are built into the androwish package. A new approach of bundling tcl scripts with the androwish infrastructure is described in androwish sdk. Of course they probably wont exactly meet your needs, but we hope they will provide you with some starting points for your own scripting efforts. Once you can print out a string, youre well on your way to using tcl for fun and profit. In this example, as in all tcl examples in this book, tcl commands that you type are shown. Tcl script here you have an example a networker blog. It is a scripting language that aims at providing the ability for applications to communicate with each. In the following example we create a script that greets the user. The best way to meet this challenge is to automate mundane or repetitive tasks wherever possible. Example tcl script using the show interfaces command using the tcl regular expression engine, scripts can filter specific information from show commands and present it in a custom format. Sep 23, 2012 detailed explanation of tcl script which runs periodically and removes old versions of website to free some disk space.

Tcl expect scripts are an amazingly easy way to script out laborious tasks in the shell when you need to be. A brief overview of tcl a brief overview of tcl a tcl script is a series of tcl commands, separated by newlines or semicolons. The following code was created in the tcl chatroom, instigated by the quote. In the example above the second argument of the second set command will be 176. Another way is to just add the second call to source from the above example to the bottom of the first script.

A tcl script is a string that is a sequence of commands, separated by. Tcl tool command language frequently asked questions in various tcl job interviews by interviewer. The cisco ios scripting with tcl feature provides the ability to run tool command language tcl version 8. Tcl tk is a simple way to script small guis can anyone give a nice example with a button and a text widget. Cgi scripts enable dynamic generation of html pages. This chapter uses many examples to show you the features of regular expressions.

Each package provides code to implement a related set of features. Your software release may not support all the features documented in this module. Pdf version quick guide resources job search discussion tcl is a general purpose multiparadigm system programming language. The command to output a string in tcl is the puts command. Regular expression substitution is a mechanism that lets you. Much like a shell script, a tcl script is simply a series of singleline commands. Finding feature information, page 1 prerequisites for cisco ios scripting with tcl, page 1 restrictions for cisco ios scripting with tcl, page 1. December29,20 onthe28thofapril2012thecontentsoftheenglishaswellasgermanwikibooksandwikipedia projectswerelicensedundercreativecommonsattributionsharealike3. Other packages are implemented completely in tcl such.

The interpreter always reads the first line as a command name, and treats each additional item on the line as an argument to that command. Example tcl script for snmp mib access cisco ios scripting with tcl configuration guide, cisco ios release 12. Chapter 7 describes tcl procedures, which are new commands that you write in tcl. Basic principles of using tclexpect scripts github. Dec 27, 2018 welcome to the webs next premier eggdrop tcl script archive. Tcl program count letters in the given string using tcl set str lihakhdblicihjaadfdcsdbb. Cisco ios scripting with tcl configuration guide, cisco. Table of contents tcl commands and supported families16 tcl command documentation conventions 27. Cisco ios scripting with tcl configuration guide, cisco ios. Arrays are the most flexible and useful data structure in tcl. On the other hand, tk is a cross platform widget toolkit used for building gui in many languages.

The tool command language tcl pronounced tickle is an interpreted, action. Alternatively, you can use a projectbased method to automatically manage your design process. An example of a radical redefinition of the proc command would. Geotechnical examples using opensees pedro arduino university of washington, seattle opensees days 2008, opensees user workshop, monday sept. Then a tcl script, a series of existing and new tcl commands, is composed to. And i want to run second script when first finished. Here is a sampler of some of the features provided by the builtin tcl commands. Pushover pile analysis freefield analysis in liquefiable soils useful links. For example, you can choose a tcl script based compilation style method in which you manage sources and the design process yourself, also known as nonproject mode. Tcl scripting quartus ii tcl api help quartus ii handbook version. Of course they probably wont exactly meet your needs, but we hope they will provide you with some starting points for your own scripting. I recommend the online manual pages for the tcl and tk commands. Ive just been adding it to the script so they get fixed as we roll out new ios versions. Packages and namespaces tcl applications consist of collections of packages.

For the latest caveats and feature information, see bug search tool and the release notes for. This chapter includes sample tcl scripts for automating the quartus ii software. Weve teamed with and to bring you the next generation of the eggdrop tcl archive. This tcl archive currently hosts 1765 scripts by 936 authors last updated. The command expr, for example, interprets 2 as a number.

Here are a few examples of tcl and tcl tk scripts that weve found useful in our own simulation and synthesis work. Can anyone give a nice example with a button and a text widget. The following is an example of filtering the show interfaces command output and creating a commaseparated list of bri interfaces on the router. I have found a few examples in the forum but they are either out of date tcl commands that are no longer supported or so obfuscated i cant figure out what is going on. This paper describes how to write cgi scripts using tcl. Training will provide the detailed practical exposure on each aspect of project flow setup mostly focused on physical design, sta, and functional verification with multiple hands on examples. You can run scripts from either the windows or linux commandline or store and run a series of commands in a. Tcl programmingexamples wikibooks, open books for an. Tcl, or tool command language and pronounced tickle, is a dynamicallytyped scripting language originally invented in the late 1980s. By default, expect is built on plain not extended tcl.

Does anyone have a simple example of a vivado tcl script in which a single edf file is the sole source file. Consult the unix manual page on chmod command for more details. Tcltk 2 try it option you really do not need to set up your own environment to start learning tcl programming. Reason is very simple, we already have set up tcl programming environment online, so that you can execute all the tcl examples online at the same time when you are doing your theory work. If you are unfamiliar with tcl scripting, or are a tcl beginner, refer to tcl scripting basics on page 318 for an introduction to tcl scripting. 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. Example tcl and tcl tk scripts for eda here are a few examples of tcl and tcl tk scripts that weve found useful in our own simulation and synthesis work. Cisco networking professionals are under relentless pressure to accomplish more, faster, and with fewer resources. Even seemingly complex control structures work this way.

Tcl fundamentals 1 this chapter describes the basic syntax rules for the tcl scripting language. If you have other nice and clean examples for useful tasks, please add them too. More control structures, such as if, for, foreach, and switch. Scan your tcl scripts to identify a variety of potential problems including syntax errors. Tcl scripting in vivado a brief overview of tcl a tcl script is a series of tcl commands, separated by newlines or semicolons. It was created by john ousterhaut in the late 1980s along with the tk graphical toolkit. Items of data passed to a script from the command line are known as arguments. Design implementation and optimization quartus ii tcl help allows easy access to information about the quartus ii tcl commands. The goto jumping instruction is considered harmful in programming for many years now, but still it might be interesting to experiment with.

It started as a port of pdf4php to the tcl language pdf4tcl does not contain any binary code, so it should run without modification on any system, which has a tcl interpreter version 8. Being that there is no concept of move in ios and id rather not manually copy dozens of files on a 100 or so routers, then delete the files from the root of the flash to clean up, i found tcl to be extremely helpful. The number of command line arguments to a tcl script is passed as the global variable argc. In this book, three cisco experts show you how to use tcl scripting for cisco ios devices to do just that. The name of a tcl script is passed to the script as the global variable argv0, and the rest of the command line arguments are passed as a list in argv. Expect is a tcl extension designed for scripting applications. Getting started with tclpro in print, pdf, winhelp windows, and html. Tcl tool command language is a scripting language developed for scientific and engineering applications. Doublequotes allow you to specify words that contain spaces. String manipulation, including a powerful regular expression matching facility.

The traditional starting place for a tutorial is the classic hello, world program. The examples in this cookbook also utilise contributed tcl and tk modules which. Script examples reference online documentation for altium. For more information on tcl and modelsim, refer to the mentor graphics modelsim and questasim support chapter of the quartus ii handbook pdf. The signed tcl scripts feature allows you to create a certificate to generate a digital signature and sign a tool command language tcl script with that digital signature. Tcl sample script does anybody can show sample script where i can orginize menu for example i can press 1 and go to number 1111, press 2 and go to number 2222, press 3. Pdf tcl scripting for cisco ios networking technology. The most recent version of the thread extension as this was being written was 2. It was influenced by, and bears some similarities to, lisp.

Tcl is a general purpose multiparadigm system programming language. Hi, i have a tcl based implementation flow in vivado. Depending on the input format mw, verilog, ddc, it will read the appropriate files and also include the floorplan information provided via either a def input file, or already existing in the initial floorplanned cel. Its similar to the scripting languages used in telecommunications packages, but much more general. In that flow, after the place design, i want to replace an attribute of a primitive. There is large support in the industry for using expect for many inhouse administration tasks. The gets command reads a line from a channel, and the flush command flushes buffered output of a channel. Its simplicity in syntax and common sensical approach to semantics makes this an easy language to learn and become proficient in. Nevertheless all of the scripts in the script examples collection are a useful resource, and can be used as reference information for creating. Microsemi makes no warranty, representation, or guarantee regarding the information contained herein or the suitability of its products and services for any particular purpose, nor does microsemi. A detailed description by harald oehlmann is available in build custom androwish. Simple example of vivado tcl script with edf as th. Tcl programmingexamples wikibooks, open books for an open.

A tcl script is used to compose the primitives into the overall application. Due to progressive updates to the altium designer api, and therefore the scripting system interfaces and their methods and properties, some legacy script examples may not work as originally intended. This short tutorial will concentrate on the most basic concepts to get you started as quickly as possible. Control structure like loops and if statements are described in chapter 6. At the c programming level, tcls threading model requires that a tcl. This tutorial covers various topics ranging from the basics of the tcl tk to its scope in.

This short tutorial will concentrate on the most basic concepts to. Tcl and the tk toolkit comprise one of the earliest scripted programming environments for the x window system. It is implemented in the command interpreter program. This section describes a few fine points about math in tcl scripts. Tcl is a dynamic scripting language that extends the functionality of cli scripting.