Python读取一个文件夹下的所有txt文件，并按行保存

读取文件夹下的txt文件（点云），将他们组合到一起

代码

将文件夹下的点云组合到一个txt文件中

import os

path="./new_building/"
files=os.listdir(path)

if os.path.exists("./new_building/building_points.txt"):
    os.remove("./new_building/building_points.txt")

for file in files:
    position=path+file
    print(position)
    with open(position ,'r') as f:
        for line in f.readlines():
            with open("./new_building/building_points.txt","a") as p:
                p.write(line)