filemover.js

var client = require('scp2');
var fs = require('fs');
var count = 0;

var serverconfig = {
    port: 22,
    host: 'your server here', 
    username: 'your username here',
    privateKey: require("fs").readFileSync('./.ssh/id_rsa'),
    path: '/home/thompson134/datastore'
};



setInterval(function(){
fs.readdir( '/home/pi/datastore', (error, files) => { 
   let totalFiles = files.length; // return the number of files
   if (totalFiles >= 5)
   {
	   let name = '/home/pi/datastore/' + files[0];
	   console.log(name);
	   client.scp(name, serverconfig, (err) => {
		if (!err) {
			console.log('success');
			remove(name);
		}
	})
   };
   count += 1;
   if (count == 200)
   {
		let maslist = '/home/pi/datastore/masterlist.json';
		client.scp(maslist, serverconfig, (err) => {
		if (!err) {
			console.log('success');
		};
		count = 0;
   };
   console.log(totalFiles); // print the total number of files
});
}, 30000);

function remove(name) {
	fs.unlink(name, (err) => {
		if (err) throw err;
		console.log( name  + ' was deleted');
});
};