""" pricefeed file filter
*.log: "20070905 09:04:56.841|DE000DB0M091|4.430|4.440"
*.csv: "09:04:56.841,DB0M09,4.430,4.440"
"""

import sys
import re

mol = re.compile("\S+\s(\S+?)\|.{5}(.{6}).\|(.*)\|(.*)")

def main(argv = None):
    if argv == None:
        argv = sys.argv
    if (len(argv) != 2):
        print "Usage: filter.py <filename.log>"
        return 2
    ifn = argv[1]
    ofn = "".join((ifn.split(".")[0], ".csv"))
    print "Converting [%s] to [%s]" % (ifn, ofn)
    try:
        ifh = open(ifn, "r")
        ofh = open(ofn, "w")
    except IOError:
        print "open [%s] failed" % ifn
        return 2
    try:
        for line in ifh:
            flds = mol.match(line)
            print >>ofh, ",".join(flds.groups())
    finally:
        ifh.close()
        ofh.close()

if __name__ == '__main__':
    sys.exit(main(sys.argv))