'''[http://web.archive.org/web/20050324000031/http://tracfoundation.org/%|%TRAC]'''
is is an interpreted, interactive, ultra-light-weight [programming language]
which has been in use since 1964.  It shares its [EIAS%|%everything is a
string] concept with [Tcl], and is also the first language to feature
[Dodekalogue%|%command substitution], making it one of the forebearers of Tcl.



** Description **

In the history of programming languages, one aspect that stands out is that they registered the name of the
programming language as a trademark, which gave them some control over implementations.

[Larry Smith]: A source archive of tint (Tint Is Not Trac) a Trac-64 (I think) implementation, if
anyone wants it can be had at:  http://tintware.sourceforge.net/Download.html.  I also have html
files documenting several versions of Trac, including the Trac84 version.  And, if anyone cares,
"Tinker" is actually a Trac interpreter modified to use Tcl syntax, it's available in my ancient
ctools code, based on the html file "TRAC, A Procedure-Describing Language for the Reactive Typewriter".
I also have an essentially unscannable collection of loose pages comprising documentation for "Sam76" a
greatly extended version of Trac written for the Z-80 under CP/M, but I don't expect that will be useful
for anyone. You can find a runnable version of it at http://www.resistors.org/sam76.html, though.
I'll see if I can upload the html files talking about Trac and its internals at [Trac Implementation].



** Implementations **

   [http://sourceforge.net/projects/trac2001/%|%trac2001]:   An implementation of TRACK in [Java]



** Reference **

   [http://www.gissen.nl/files/lisp.pdf%|%The Programming Languages LISP and TRAC], E. L. van der Poel, 1972:   


   [http://www.resistors.org/index.php/The_RESISTORS_and_Trac%|%The RESISTORS and Trac]:   RESISTORS was one of the first computer clubs for young people, founded in 1967 in central New Jersey

   [http://esolangs.org/wiki/Prehistory_of_esoteric_programming_languages%|%Prehistory of esoteric programming languages]:   ''TRAC had the peculiar property that programs diddled themselves until they were the answer.''



** See Also **

   [Playing TRAC]:   

   [Trac Implementation]:   a dump by [Larry Smith] of TRAC documentation



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