如何在每个 ping 结果中提取平均值并存储在文件中

Question

Here I can ping each IP but am not able to extract the Average of the result. Can anyone help, please?

import subprocess
import threading
ip_list = []
def ping(host):
    ip_list.append(host+ ' '+ str((subprocess.run('ping '+host +' -n 1').returncode)))

with open(r'input.txt', "r") as input_file:
    hosts = input_file.read()
    hosts_list =hosts.split('\n')
num_threads = 1
number = 0
while number< len(hosts_list):
    for i in range(num_threads):
        t = threading.Thread(target=ping, args=(hosts_list[number+i],))
        t.start()
    t.join()
    number = number +1

Answer 1

After doing some research I found out that using subprocess.run and then getting the returncode you dont get the output but only the return code so usually 0 for a successfull run with no error. If you want to get the output of the process you have to use subprocess.Popen and then communicate. Then if you only want the average you have to do some string manipulation with the output to only get the number after "Average". Here's an exemple:

def ping(host):
    output = subprocess.Popen(["ping", host, "-n", "1"], stdout=subprocess.PIPE).communicate()[0]
    words = str(output).split(sep=" ")
    average = words[words.index("Average")+2].split("ms")[0]
    ip_list.append(host+ ' '+ average)