var TelegramBot = require('node-telegram-bot-api');
var exec = require('child_process').exec;
var BOT_TOKEN = '1950107148:AAH4OdqorqzZjdWTxKopNl0qYjeA5CcnQBo';
var bot = new TelegramBot(BOT_TOKEN, {polling: true});


bot.onText(/\/photo/, function (msg) {
  console.log('photo');
    takePhoto(msg);
});

function takePhoto(msg) {
    exec('raspistill -o /home/pi/pi-camera-bot/photos/myphoto%04d.jpg -t 30000 -tl 2000');
}