jsonfile.js

#!/usr/bin/env node
"use strict";
var fs=require("fs");
var body;
if(process.argv[2]=="-"){
	body="";
	var res;
	while(true){
		res=fs.readSync(0,1024);
		if(res[1]==0)break;
		body+=res[0];
	}
} else {
	body=String(fs.readFileSync(process.argv[2]));
}
console.log(JSON.stringify(body));