gistfile1.txt

map:
function(doc) {
	if (doc.attackers) {
		for (var i in doc.attackers) {
			if( doc.attackers[i].name ) {			
				emit(doc.attackers[i].corporation, 1);
			}
		}		
		
	}
}

reduce:

function(keys, values) {
	return sum(values);
}