#!/opt/alt/alt-nodejs8/root/usr/bin/node 'use strict'; var fs = require('fs'); var name = process.argv[2] || '.'; var property = process.argv[3] || 'version'; if (name != '.') name = 'node_modules/' + name; var json = JSON.parse(fs.readFileSync(name + '/package.json', 'utf8')); console.log(json[property]);