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#!/usr/bin/node
function gcd2(a, b) {
return b == 0 ? a : gcd2(b, a % b);
}
// Don't use parseInt() itself in map() - it used to have 2 arguments
var nums = process.argv.map(
function(s) {return parseInt(s)}
).filter( // It will not work if this script or node itself is named as number ;-)
function(t) {return !isNaN(t)}
);
if (nums.length > 0) {
var GCD = nums.reduce(gcd2); // Yeah, we could use lambda here
console.log(GCD);
}
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