node.js check if a remote URL exists

Question

How do I check to see if a URL exists without pulling it down? I use the following code, but it downloads the whole file. I just need to check that it exists.

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Answer 1

Try this:

var http = require('http'),
    options = {method: 'HEAD', host: 'stackoverflow.com', port: 80, path: '/'},
    req = http.request(options, function(r) {
        console.log(JSON.stringify(r.headers));
    });
req.end();