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Build the list Step by Step (click on arrows) :
1. Root Folder of all Episodes (all seasons) :
2. Modify Root Folder (optional)
3. Confirm Root Folder
4. Build the list of all files present in Root Folder and subfolders
5. Clean generated list (delete *.txt, and so...)
6. (Re)Inject Episodes References to built episodes list
7. Edit built episodes list (verify/adjust references and filenames) and go to Step 6 if modified
8. Inject Episodes Filenames in Database

Purpose :
This generated list will contain all episodes filenames with a reference to the appropriate season and episode number. That list will be used by JeF script to :

- populate editions with episodes filenames (last step)
- add a play button for each episode in movie card when editions are not populated (otherwise, play buttons are added for episodes according to editions filenames).

This will only work fine if :

- Each episode has one and only one filename
- Alphabetically sort of all files (including subfolders) will suite the season/episodes order
  i.e. each file has an episode number prefix and seasons are in different folders with season numbers, or, all files are together but each has season_number+episode_number prefix

Nota Bene :

- Stored Video Filenames prefix format doesn''t matter : the only thing is that alphebetical sort of filenames suites season/episodes order so that internal generated references at begining of lines match expected season/episode