function mker(delimiter) {

        function getpath(obj, path) {
            path = path || "";
            var arr = path.split(delimiter);
            var t = obj;
            var done = false;
            if (arr.length) {
                while (arr.length && !done) {
                    var check = arr.shift();
                    if (check !== "") {
                        t = t[check];
                    }
                    if (typeof t !== "object") {
                        done = true;
                    }
                }
            }
            return t;
        }

        function setpath(obj, path, value) {
            if (typeof obj !== "object" || !obj) {
                throw new Error("obj is not Object");
            }
            if (typeof path !== "string" || path === "") {
                throw new Error("path must be string with length > 0");
            }
            var arr = path.split(delimiter);
            var done = false;
            var t = obj;
            if (arr.length > 1) {
                while (arr.length && t && !done) {
                    var check = arr.shift();
                    if (typeof t[check] === "object" && arr.length > 0) {
                        t = t[check];
                    } else {
                        done = true;
                        arr.unshift(check);
                    }
                }
                var xt = t;
                while (arr.length) {
                    var tt = arr.shift();
                    if (arr.length) { //go deeper
                        if ((parseInt(arr[0]) + "") === ("" + arr[0])) {
                            xt = xt[tt] = [];
                        } else {
                            xt = xt[tt] = {};
                        }
                    } else {
                        //last
                        xt[tt] = value;
                    }
                }
            } else {
                if (arr.length === 1 && arr[0] !== "") {
                    t[arr[0]] = value;
                }
            }
        }

        function sort_by_1_col(a, b) {
            return a[0] > b[0] ? -1 : a[0] < b[0] ? 1 : 0;
        }

        function sort_by_1_col_alpha(a, b) {
            var x = a[0].toLowerCase(),
                y = b[0].toLowerCase();
            return x < y ? -1 : x > y ? 1 : 0;
        }

        function query(obj, str) {


            console.log(obj);

            console.log(str);



        }


        function flatten(obj, pre) {
            var pre = pre || "";
            var r = [];
            for (var i in obj) {
                if (typeof(obj[i]) === "object") {
                    r = r.concat(flatten(obj[i], (pre.length > 0 ? pre + delimiter : "") + i));
                } else {
                    r.push([(pre.length > 0 ? pre + delimiter : "") + i, ["boolean", "number"].indexOf(typeof(obj[i])) > -1 ? obj[i] : ("" + obj[i])]);

                }

            }
            r.sort(sort_by_1_col_alpha)
            return r;


        }

        function populate(arr) {
            var obj = {}
            arr.map(function(a) {
                setpath(obj, a[0], a[1]);
            })
            return obj
        }


        return {
            get: getpath,
            set: setpath,
            flatten: flatten,
            query: query,
            populate: populate
        }

    }



    module.exports = mker(".");
    module.exports.create = mker;