CGI::Application instance scripts are refreshingly brief e.g. 
use My::App;
my $app = My::App->new;
$app->run;

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But this can be abbreviated even more ...
put this in your application module - it will be executed when the module is used 
sub import { __PACKAGE__->new->run }

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Now your instance script looks like this 
use My::App; # yes that's it!

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In reply to One line CGI::Application instance script by Arunbear

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