python⌗

basic walk⌗

for root,dirs,files in os.walk('/workspace/techbook'):
    for file in files:
        if os.path.splitext(file)[1] == '.markdown':
            src = os.path.join(root,file)
            print(src)
            new_file = os.path.splitext(file)[0] + '.md'
            dst = os.path.join(root, new_file)
            print(dst)
            os.rename(src,dst)