code: function cubism_graphiteParse(text) {
    var i = text.indexOf("|"),
        meta = text.substring(0, i),
        c = meta.lastIndexOf(","),
        b = meta.lastIndexOf(",", c - 1),
        a = meta.lastIndexOf(",", b - 1),
        start = meta.substring(a + 1, b) * 1000,
        step = meta.substring(c + 1) * 1000;
    return text
        .substring(i + 1)
        .split(",")
        .slice(1) // the first value is always None?
        .map(function(d) { return +d; });
  }
docs: Helper method for parsing graphite's raw format.