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Re: Python,ping,csv

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> I added a line.
> I would need to put the output into a csv file which contained the 
> results of the hosts up and down.
> Can you help me?
> 
> import subprocess
> from ipaddress import IPv4Network
> for address in IPv4Network('10.24.59.0/24').hosts():
> 	a = str(address)
> 	res = subprocess.call(['ping', '-c', '3', address])
> 

"""Typical output from ping:

$ ping -c 3 10.2.2.2
PING 10.2.2.2 (10.2.2.2) 56(84) bytes of data.

--- 10.2.2.2 ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 1999ms


$ ping -c 3 localhost
PING localhost (127.0.0.1) 56(84) bytes of data.
64 bytes from localhost (127.0.0.1): icmp_seq=1 ttl=64 time=0.030 ms
64 bytes from localhost (127.0.0.1): icmp_seq=2 ttl=64 time=0.040 ms
64 bytes from localhost (127.0.0.1): icmp_seq=3 ttl=64 time=0.042 ms

--- localhost ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1998ms
rtt min/avg/max/mdev = 0.030/0.037/0.042/0.007 ms
"""

import csv
import ipaddress
import re
import subprocess
import sys
NETWORK = "192.168.1.0"
MASK = "24"
with open('some.csv', 'w', newline='') as f:
    writer = csv.writer(f)
    writer.writerow(("Address", "% success"))
    for address in ipaddress.IPv4Network('%s/%s' % (NETWORK, 
MASK)).hosts():
        print("Pinging %s ..." % address, file=sys.stderr)
        command = "ping -c 3 %s" % address
        output = subprocess.getoutput(command)
        match = re.search(r"(\d+)% packet loss", output)
        if match:
            percent_lost = match.group(1)
            writer.writerow((str(address), 100 - int(percent_lost)))
        else:
            # If we reach this point the ping command output
            # was not in the expected output format
            writer.writerow((str(address), ""))

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Python,ping,csv Smith <smith@a-team.it> - 2016-04-08 09:25 +0200
  Re: Python,ping,csv Joel Goldstick <joel.goldstick@gmail.com> - 2016-04-08 05:18 -0400
  Re: Python,ping,csv Jason Friedman <jsf80238@gmail.com> - 2016-04-09 21:29 -0600
    Re: Python,ping,csv Smith <smith@a-team.it> - 2016-04-11 10:22 +0200
    Re: Python,ping,csv Smith <smith@a-team.it> - 2016-04-11 11:24 +0200
      Re: Python,ping,csv Jason Friedman <jsf80238@gmail.com> - 2016-04-11 19:17 -0600
      Re: Python,ping,csv Jason Friedman <jsf80238@gmail.com> - 2016-04-12 00:01 +0000

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