Exercises, examples and other material relating to training module P307. This topic is presented on public course Perl for Larger Projects

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Perl for Larger Projects - training course - Objects, huge data, SQL databases, XML, efficiency and other topics. Perl for Larger Projects - Objects, huge data, SQL databases, XML, efficiency and other topics. This advanced course takes the Perl programmer through ... http://www.wellho.net/course/plfull.html  [course]

(Perl) Callbacks - what are they? In most programming applications, you'll write code that calls system functions or subroutines - for example, you'll write a program that reads data from ... http://www.wellho.net/mouth/738_-Per ... they-.html  [short article]

Graphic User Interfaces (GUIs) Many of the scripting languages we teach include the ability to provide a GUI - a Graphic User Interface. I ll describe some particular GUIs later in ... http://www.wellho.net/solutions/general- ... -guis.html  [longer article]

Add a friendly front end with Tk With a Tk Graphic User Interface, you can add a friendly look and feel to an application running on your workstation if it's written in Tcl (Tcl/Tk), ... http://www.wellho.net/mouth/595_Add- ... th-Tk.html  [short article]

A simple GUI with Perl/Tk #!/usr/bin/perl use Tk; my $window = MainWindow->new; $window->title("A first Tk Demo"); $window->Label(-text => "This is a chunk of descriptive text")->pack; ... http://www.wellho.net/resources/ex.php4?item=p307/tk1  [code sample]

Perl/Tk real time display It's a real pleasure to be having an opportunity at the tail end of this week to write some examples that are combining Perl, Tk, and OO techniques. This ... http://www.wellho.net/mouth/599_Perl ... splay.html  [short article]

The magic of -textvariable If you're writing a GUI based application, you'll need to hold pertinent information in variables in your program, AND display that pertinent information ... http://www.wellho.net/mouth/596_The- ... iable.html  [short article]

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Tk provides a very powerful GUI (Graphic User Interface) to Perl. You can use it to build a window with buttons, text entry boxes, sliders and graphics, and then use that window to control and report on an application.

This topic is presented on public course Perl for Larger Projects

ptkcl2.pl	Clock using Perl/Tk
ptkclock.pl	Simpler version of Perl/Tk clock
tk1	A simple GUI with Perl/Tk
tk2	Drawing graphics on a canvas with Perl/Tk
tk3	An interactive application with a Tk GUI
tk3.pl	A toggle button implemented in Perl/Tk
tk4.pl	An interactive form on a grid (tk)
tk5.pl	Tk demo - fill in form, moving graphic