PluginPerlModuleBasics

Here are a couple of basic calls that should be made at the beginning of the Plugin code:

use strict;

This tells Perl to do some useful error checking to help avoid the use of undeclared variables, or ambiguous references to functions. All references must be fully qualified (ie: Slim::Buttons::Common::popMode() instead of popMode()).

package Plugins::pluginname;

Where pluginname is the name of the module (which should be the same as the filename, without the .pm extension.) This defines the 'namespace' for the module. It essentially sets up the module as an entity of its own, within the server environment. This allows you to then refer to the functions and variables within this plugin by the full reference Plugins::pluginname::function.

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