Perl TK GUI development in Perl

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See also [ perl/GUI-Programming/index.html ]

1. http://w4.lns.cornell.edu/~pvhp/ptk/doc/
2. Perl/Tk FAQs

A simple "Hello World!" widget script could be written as follows:

    #!/usr/bin/perl -w

    use strict;
    use Tk;

    my $main = new MainWindow;
    $main->Label(-text => 'Hello World!'
                 )->pack;
    $main->Button(-text => 'Quit',
                  -command => sub{exit}
                  )->pack;
    MainLoop;