pygel

import subprocess
import datetime


#Run until stopped
x="1"
x=input("Enter to continue. Enter 0 to skip capture")
while x != "0":
    blah = subprocess.check_output(["tshark -i mon0 -f \"subtype probe-req\" -T fields -e wlan_mgt.ssid -c 50"], shell=True)
    with open("results.txt", 'ab+') as f:
        f.write(blah)
    x=input("To get out enter 0")
print("Capturing Cancelled")

try:
    #Does blah exist?
    print(blah)
except:
    #Clean text files, removes duplicated and empty lines
    print("Cleaning files")
    subprocess.call(['./stripUnique.sh'])
    exit()
else:
    print("Exiting")

#split the blah variable by line
splitblah = blah.split(b"\n")

#repeat  for each line, -1 ignores first line since it contains headers
for value in splitblah[:-1]:

    #split each line by tab delimiter
    splitvalue = value.split(b"\t")

#check if SSID value exists
try:
    MAC = str(splitvalue[1])
    SSID = str(splitvalue[2])
    TIME = str(datetime.datetime.now())
    print("Found SSID's", MAC + SSID + TIME)
    with open("results2.txt", "a+") as f:
        f.write(MAC+" "+SSID+" "+time+"\r\n")
except:
    MAC = str(splitvalue[1])
    TIME = str(datetime.datetime.now())
    print("No SSID's", MAC +" " + TIME)
    with open("results2.txt", "a+") as f:
        f.write(MAC + TIME + "\r\n")
exit()