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language /tik*l/ (Tcl) An interpreted string processing
language for issuing commands to interactive programs,
developed by John Ousterhout at UCB. Each applicationprogram can extend tcl with its own set of commands.
Tcl is like a text-oriented Lisp, but lets you write
algebraic expressions for simplicity and to avoid scaring
people away. Though originally designed to be a "scripting
language" rather than for serious programming, Tcl has been
used successfully for programs with hundreds of thousands of
It has a peculiar but simple syntax. It may be used as an
embedded interpreter in application programs. It has
exceptions and packages (called libraries), name-spaces
for procedures and variables, and provide/require. It
supports dynamic loading of object code. It is eight-bitclean. It has only three variable types: strings, lists and
Tcl and its associated GUI toolkit, Tk run on all
Tcl runs on the Amiga and many other platforms.
Current version: 8.0.3, as of 1998-09-25.