def main():
usage()
valid = Filter(sys.argv[1], sys.argv[4], sys.argv[5])
if valid.ip() and valid.threads() and valid.password():
for i in range(int(sys.argv[5])):
try:
Scanner(sys.argv[1], sys.argv[2], sys.argv[3],
sys.argv[4]).start()
except:
pass
print("Started %d threads." % int(sys.argv[5]))
else:
exit()
