What is init Tcl?

What is init Tcl?

tcl. The main file sourced by a Tcl interpreter when starting up (during Tcl_Init).

What do you mean by TCL list out TCL commands?

Tcl command is actually a list of words, with the first word representing the command to be executed. The next words represent the arguments. In order to group the words into a single argument, we enclose multiple words with “” or {}.

How do I install TCL TK on Windows 10?

Installing TCL/TK for Windows

  1. Step 1: The Website. You will need to head over to ActiveState’s website here: http://www.activestate.com/activetcl.
  2. Step 2: Downloading Active Tcl. Click on the “Download Now” button then download either the x86 or x64 version of Tcl (Whichever works best for you).
  3. Step 3: Installing Tcl.

What is TCL in Python?

Tcl (pronounced “tickle” or as an initialism) is a high-level, general-purpose, interpreted, dynamic programming language. Tcl/Tk is included in the standard Python installation in the form of Tkinter.

What is TCL example?

Example: In the following example, value of a is 100, and with the same code we switch statement for another value of b is 200. The out will show value for both a and b. Loop statement allows executing a statement or group of statement multiple times. Tcl provides the following types of looping statement.

What are the TCL commands?

Transaction Control Language commands are used to manage transactions in the database. Transactional control commands are used only DML Commands such as INSERT, UPDATE and DELETE. COMMIT, ROLLBACK and SAVEPOINT are the TCL commands used in SQL.

Is Tcl TK still used?

Sun agreed that the core Tcl and Tk libraries would continue to be distributed freely in source form. Tcl and Tk were ported to Windows and the Macintosh. Ousterhout spun his own Tcl company off from Sun, and tools and services for Tcl are now provided by Active State, a division of anti-virus company Sophos.

Where is Tcl script in Windows?

To run a Tcl command or script from the Tcl Console:

  1. On the View menu, point to Utility Windows, and then click Tcl Console.
  2. Type the command at the Tcl prompt.

How do I run a package in TCL?

The list of steps for creating and using package is given below.

  1. STEP 1 : Creating Code. Create code for package inside a folder say HelloWorld.
  2. STEP 2 : Creating Package Index. Open tclsh.
  3. STEP 3 : Adding Directory to Autopath.
  4. STEP 4 : Adding Package.
  5. STEP 5 : Invoking Procedure.

What does Tcl mean?

Telephone Communication Limited
TCL Technology (originally an abbreviation for Telephone Communication Limited) is a Chinese multinational electronics company headquartered in Huizhou, Guangdong Province.

How does Tcl work?

Tcl is All about Commands Tcl works by processing commands. Each line of a Tcl script is a command, and the first word of each line is the name of the command, and any other words are arguments for the command. Tcl looks up the code associated with that name and invokes it.

What is TCL command example?

COMMIT, ROLLBACK and SAVEPOINT are the TCL commands used in SQL. SQL COMMIT: COMMIT command is used to permanently save any transaction into the database. The COMMIT command saves all the transactions to the database since the last COMMIT or ROLLBACK command.

How many TCL prompts are there in tclsh?

Contains 1 if tclsh is running interactively (no fileName was specified and standard input is a terminal-like device), 0 otherwise. When tclsh is invoked interactively it normally prompts for each command with “ % ”. You can change the prompt by setting the variables tcl_prompt1 and tcl_prompt2.

How does a Tcl shell like application work?

Tclsh is a shell-like application that reads Tcl commands from its standard input or from a file and evaluates them. If invoked with no arguments then it runs interactively, reading Tcl commands from standard input and printing command results and error messages to standard output.

How to run a Tcl script in Cisco IOS?

Use the tclsh command when you want to run Tcl commands from the Cisco IOS command-line interface (CLI). When the interactive Tcl shell is enabled and Tcl configuration mode is entered, Tcl commands can be entered line by line or a predefined Tcl script can be run.

How does tclsh read commands from named file?

Instead of reading commands from standard input tclsh will read Tcl commands from the named file; tclsh will exit when it reaches the end of the file. There is no automatic evaluation of.tclshrc in this case, but the script file can always source it if desired. If you create a Tcl script in a file whose first line is