[Python| Markdown file merge

Markdown File Merge

import os
import sys

def text_merge(folder):
    files = sorted(os.listdir(folder))
    with open( folder + ".md", "w", encoding="utf-8" ) as w:
        for f in files:
            path = os.path.join(folder,f)
            with open( path, "r", encoding='utf-8') as r:
                w.write(r.read())
                w.write('\n\n<div style="page-break-after: always;"></div><br>\n\n')
                print(path)
        
if __name__ == "__main__":
    if len(sys.argv) > 1:
        text_merge(sys.argv[1])