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The Tcl programming language was created in the spring of 1988 by John Ousterhout while he was working at the University of California, Berkeley. [14] [15] Originally "born out of frustration", [11] according to the author, with programmers devising their own languages for extending electronic design automation (EDA) software and, more specifically, the VLSI design tool Magic, which was a ...
The authors explain the birth of the one-liner paradigm with their daily work on early ... The following example is a C program ... As Tcl commands are lists anyway ...
Expect is an extension to the Tcl scripting language written by Don Libes. [2] The program automates interactions with programs that expose a text terminal interface. Expect, originally written in 1990 for the Unix platform, has since become available for Microsoft Windows and other systems.
Tcl-like languages can be easily implemented because of its simple syntax. Tcl itself maybe not so lightweight, but there exists some, if not many, lightweight implementations of languages which have Tcl-like syntax. [4] [5] [6]
Such a behavior is possible by using uplevel and expr commands: Uplevel makes it possible to implement new control constructs as Tcl procedures (for example, uplevel could be used to implement the while construct as a Tcl procedure). [8] Because if is actually a function it also returns a value:
"People go on them, and I don’t think anybody’s ever showed them what they should do or shouldn’t do,” says Press — for example, only one person should be on the trampoline at a time.
Cohen Children's Medical Center, for example, piloted a program partnering with five school districts in 2020, which has since grown to more than 30 school districts, that provides care ...
wish (Windowing Shell) is a Tcl interpreter extended with Tk commands, [1] available for Unix-like operating systems supporting the X Window System, as well as macOS, Microsoft Windows, [2] [3] and Android. [4] It provides developers the ability to create GUI widgets using the Tk toolkit and the Tcl programming language. [5] [6]