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notes about duplicated songs

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Jidong Xiao
2025-01-10 19:12:49 -05:00
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hws/spotify_playlists/README.md
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@@ -126,6 +126,10 @@ When playlist_tiny1.txt and actions1.txt are supplied to your program as the two
If a move action or a remove action as defined in the **actions file** attempts to move or remove a song which does not exist in the playlist, your program should ignore such an action. If a move action or a remove action as defined in the **actions file** attempts to move or remove a song which does not exist in the playlist, your program should ignore such an action.
## Duplicated Songs
In cases where the same song appears more than once on the playlist, choose the first song (to move or remove) - i.e., search the playlist, starting from the top to the bottom, identify the first occurrence of this song, and use it (to move or remove).
<!-- ### Command 1: add a music track to a playlist <!-- ### Command 1: add a music track to a playlist
The first argument is the name of an input file which contains a playlist - in this README, we will refer to this file as the **playlist file**. The second argument is the name of another input file which contains all available music tracks - in this README, we will refer to this file as the **library file**. The third argument is the output file. The fourth argument is the action, which in this case is "add". The fifth argument is the title of the music track. The first argument is the name of an input file which contains a playlist - in this README, we will refer to this file as the **playlist file**. The second argument is the name of another input file which contains all available music tracks - in this README, we will refer to this file as the **library file**. The third argument is the output file. The fourth argument is the action, which in this case is "add". The fifth argument is the title of the music track.