Added a new function

    else:

        return -1 * (abs(deg) + minute)

def parse_fileopen_time(fileopen_time):

    res = re.match(r'([a-zA-Z]*)_*([a-zA-Z]*)_*([0-9]*)_*([0-9]*):([0-9]*):([0-9]*)_([0-9]*)', fileopen_time)

    month = time.strptime(res.group(2), '%b').tm_mon

    day = int(res.group(3))

    hour = int(res.group(4))

    minute = int(res.group(5))

    second = int(res.group(6))

    year = int(res.group(7))

    dt = datetime.datetime(

        year,

        month,

        day,

        hour,

        minute,

        second

    )

    return dt

def get_cached_sensorlist(filename, meta, cacheDirName='dbdcache'):

    # Check and see if the folder has a cache subfolder.

                primHeader.append(line) # add pre-segment_filename lines to the meta header.

            elif fread_stage == 'header':

                for primRow in primHeader:

                    meta[primRow.split(':', 2)[0]] = primRow.split(':',2)[1].strip()

                    # print "Splitting: %s" % primRow

                    # print "Split result: %s" % primRow.split(':',1)

                    meta[primRow.split(':', 1)[0]] = primRow.split(':',1)[1].strip()

                fread_stage = 'segments'

            if fread_stage == 'segments' and "segment_filename" in line:

                meta['filename_list'].append(line.split(":")[1].strip())

    tight_layout()

    show()

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