How to count total attachments in a CouchDB database

You can watch the screencast here: How to count total attachments in a CouchDB database

And here's the source code for easy copy/paste:

	function(doc) {
	if (doc._attachments) {
	for (var key in doc._attachments) {
	// output filename, filesize, docId
	emit([key,doc._attachments[key].length,doc._id], 1);
	}
	}
	}

view raw map.js hosted with ❤ by GitHub

	function(keys, values, rereduce) {
	if (rereduce) {
	return sum(values);
	} else {
	return values.length;
	}
	}

view raw reduce.js hosted with ❤ by GitHub