Node.js CLI sript to test the Triangle Inequality Theorem

triangle.js

/**
 * Short little Node.js command line script to test the Triangle Inequality Theorem
 * Usage: node triangle.js sidea sideb sidec
 * Copyright Zeke Sonxx 2015. Licensed under the MIT license <choosealicense.com/licenses/mit> (do whatever you want so long as you credit me)
 */
var a = parseInt(process.argv[2]);
var b = parseInt(process.argv[3]);
var c = parseInt(process.argv[4]);

console.log('Triangle with side lengths: %s, %s, and %s', a, b, c);

var ab = a + b > c;
var ac = a + c > b;
var cb = c + b > a;
console.log('%s + %s > %s: %s', a, b, c, ab);
console.log('%s + %s > %s: %s', a, c, b, ac);
console.log('%s + %s > %s: %s', c, b, a, cb);
console.log('conclusion: %s', (ab && ac && cb ? 'triangle' : 'not a triangle'));