All script writers need to deal with textual data at one time or another. One of the most powerful tools for manipulating text in the free software world is the text widget found in the Tk graphical ...

The canvas widget in the Tk graphical user interface toolkit is a free software tool used to present graphical data. Like the Tk text widget, which I discussed in my previous article, the canvas ...

In the first installment of this series, we mentioned three books as references for the use of the option database in its specific bindings to the Perl, Python, and Tcl languages (see the Resources ...