How can I wrie a PLY file that includes vertices and edges (line segments)

[KevinWang-kk]

Like: ply format ascii 1.0 comment Created in Blender version 4.2.2 LTS element vertex 9 property float x property float y property float z element edge 8 property int vertex1 property int vertex2 end_header 0 0 0 2.8578901 0.5062549 0 1.061502 1.649411 0 -0.5715781 0.68589365 0 3.0538597 -1.1268252 0 1.3554564 -1.4861028 0 -0.048992634 -0.9635172 0 4.519225 -1.5217007 -0.061250053 5.1182466 -3.1931024 -0.88823277 4 5 1 4 1 2 2 3 0 3 5 6 4 7 7 8