def dashed(requestContext, seriesList, dashLength=5):
    """
    Takes one metric or a wildcard seriesList, followed by a float F.

    Draw the selected metrics with a dotted line with segments of length F
    If omitted, the default length of the segments is 5.0

    Example::

        &target=dashed(server01.instance01.memory.free,2.5)

    """
    for series in seriesList:
        series.name = 'dashed(%s, %g)' % (series.name, dashLength)
        series.options['dashed'] = dashLength
    return seriesList
Takes one metric or a wildcard seriesList, followed by a float F.

    Draw the selected metrics with a dotted line with segments of length F
    If omitted, the default length of the segments is 5.0

    Example::

        &target=dashed(server01.instance01.memory.free,2.5)