9.7. Lua Extension API methods

These are global methods that you can call inside the methods described above in order to get information from Aqualung, or change Aqualung's settings or behavior.

• current_file(): Returns the filename (string) of currently playing file, or nil if no file is playing.
• current_file_percent_complete(): Returns number between 0 and 100 with the percent complete of the current playing file, or nil if no file is playing.
• selected_files(): Returns an array (integer-keyed table) of selected filenames (strings) for the current playlist.