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7. Writing Code > 7.2. A Crash Course in Tcl

A Crash Course in Tcl

This section provides a quick overview of the Tcl language, just enough for you to understand the hacks in this chapter. It assumes you have a rudimentary understanding of some form of programming language—whether C, Perl, Java, or Basic—or at least have a willingness to learn. For a more complete reference, take a look at a Tcl reference manual (http://tmml.sourceforge.net/doc/tcl/), the object-oriented [incr Tcl] reference (http://www.tcl.tk/man/itcl3.1/), and The Tcler’s Wiki (http://mini.net/tcl/).

You can play along with the code either interactively or by writing Tcl scripts and running them from the command line. To interact with Tcl directly, run


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