small helper script for making cloud formation JSON lines from a regular file `node convertToJSON <filename>`

convertToJSON.js

"use strict";
var fs = require('fs');
var readline = require('readline');
var stream = require('stream');

if(!process.argv[2]){
	console.log("usage: convertToJSON <filename>");
	process.exit(1);
}

var instream = fs.createReadStream(process.argv[2]);
var outstream = new stream();
var rl = readline.createInterface(instream, outstream);

var first = true;
rl.
	on('line', function(line) {
		if(first)
			console.log('[');
		first =false;
	    console.log('\t"' +line.replace(/"/g, '\\"').trimRight()+'\\n",');
	})
	.on('close',function(){
			console.log(']');
	});