miniseed to css wfdisc

miniseed2wfdisc.py

import os
import glob

from obspy import read
from pisces.tables.css3 import Wfdisc

with open('wfdiscfile.wfdisc', 'w') as wfdiscfile:
    for ifile in glob.glob('*.mseed'):
        pathname, ext = os.path.splitext(ifile)
        newname = pathname + '.w'
        idir, idfile = os.path.split(newname)
        tr = read(ifile)[0]
        with open(newname, 'wb') as f:
            tr.data.astype('<i4').tofile(f)
        wf = Wfdisc(sta=tr.stats.station, chan=tr.stats.channel, samprate=tr.stats.sampling_rate, 
                    nsamp=tr.stats.npts, time=tr.stats.starttime.timestamp, foff=0, dir=idir, 
                    dfile=idfile, endtime=tr.stats.endtime.timestamp, datatype='i4')
        wfdiscfile.write(str(wf) + os.linesep)