Request feature to get video count of a playlist

[blueray453]

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Feature Request

know the number of videos in a playlist.

Something with the following input
youtube-dl -u user -p password --playlist-details '%(playlist_title)s : %playlist_count' https://www.udemy.com/java-tutorial/

Expected Sample Output
Java Tutorial for Complete Beginners : 43

Helpful Information

For Ex. when I start downloading a playlist, it shows
Course Name: Collected 61 video ids

So I guess the variables are somewhere in the program. We just have to make it easily accessible.

[dstftw]

I've already pointed out: extract JSON and count the number of entries in corresponding array.

[blueray453]

How to count the entries in corresponding array?

[dstftw]

Read docs on standard library of the language you use.