Until some good Samaritan (who plays ball with components) gives you the native components answer … get the attached (in fact 2 lines of code) : it puts polylines in a tree where the branch index equals the N of poly segments. Notify if you need further sorting on the Lists (per length for instance) of some other type of addicional sort/classification/whatever.
Sort Curves_V1.gh (25.9 KB)
