// Export to CSV function
function toCSV (deliminator, textQualifier) 
{
    var count = -1;
    var headers = [];
    var data = {};
    var cursor = this;
    deliminator = deliminator == null ? ',' : deliminator;
    textQualifier = textQualifier == null ? '\"' : textQualifier;
    while (cursor.hasNext()) {
        var array = new Array(cursor.next());
        count++;
        for (var index in array[0]) {
            if (headers.indexOf(index) == -1) {
                headers.push(index);
            }
        }
        for (var i = 0; i < array.length; i++) {
            for (var index in array[i]) {
                data[count + '_' + index] = array[i][index];
            }
        }
    }
    var line = '';
    for (var index in headers) {
        line += textQualifier + headers[index] + textQualifier + deliminator;
    }
    line = line.slice(0, -1);
    print(line);
    for (var i = 0; i < count + 1; i++) {
        var line = '';
        var cell = '';
        for (var j = 0; j < headers.length; j++) {
            cell = data[i + '_' + headers[j]];
            if (cell == undefined) cell = '';
            line += textQualifier + cell + textQualifier + deliminator;
        }
        line = line.slice(0, -1);
        print(line);
    }
}
DBQuery.prototype.toCSV=toCSV; //regular find
DBCommandCursor.prototype.toCSV=toCSV; //aggregates

_id,name,surname,age
"584ac96e93775e9ffab70f52","alex","desouza","4"
"58d21b2a8a7c03ab0860fd7d","john","wick","40"
"58d21b378a7c03ab0860fd7e","mike","costanza","44"