scan MAC address and tweet

arptweet.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys
argvs = sys.argv
argc = len(argvs)
if (argc == 1):
        print 'usage: %s text' % argvs[0]
        quit()

import tweepy
auth = tweepy.OAuthHandler(secrets['consumer_key'], 
                           secrets['consumer_secret'])
auth.set_access_token(secrets['access_token'], 
                      secrets['access_secret'])
api = tweepy.API(auth)
api.update_status(argvs[1])

scan.sh

#!/bin/sh
BROADCAST=192.168.15.255
TARGETMAC=xx:xx:xx:xx:xx:xx

ping -c 2 $BROADCAST &> /dev/null
TARGETIP=`arp -a | grep $TARGETMAC | awk '{print $2}' | tr -d '[\(\)]'`
ping -c 2 $TARGETIP &> /dev/null
if arp -a | grep $TARGETMAC &> /dev/null 
then
        if [ ! -f "lock" ]
        then
                date "+%Y/%m/%d %H:%M"  |  tee lock
                ./arptweet.py "出社しました！ `cat lock`"
        fi
else
        if [ -f "lock" ]
        then
                ./arptweet.py "退社しました！ `cat lock` - `date +%H:%M`"
                rm lock
        fi
fi