Pretty print a json skipping the BOM if present

pp_json_bom.js

#!/usr/bin/env node

var fs = require('fs');

process.stdout.on('error', function(err) {
    if (err.code == "EPIPE") {
        process.exit(0);
    }
});

var prettyPrint = function(json) {
    return JSON.stringify(JSON.parse(json), null, '  ');
};

fs.readFile('locations.json', function(err, buffer) {
    if (err) {
        console.error(err);
        return;
    }

    var prettyJSON;
    var bom = new Buffer(3);
    buffer.copy(bom, 0);

    if (bom.equals(new Buffer([0xef, 0xbb, 0xbf]))) {
        prettyJSON = prettyPrint(buffer.slice(3));
    }
    else {
        prettyJSON = prettyPrint(buffer);
    }

    process.stdout.write(prettyJSON);
});