python之抓取远程服务器根目录

#!/usr/local/bin/python3.5
#coding:utf-8
import socket, sys

port = 70
host = sys.argv[1]
filename = sys.argv[2]

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((host, port))

s.sendall((filename + ‘\r\n‘).encode(encoding=‘utf-8‘))

while 1:
    buf = str(s.recv(2048), ‘utf-8‘)
    if not len(buf):
        break
    sys.stdout.write(buf)