from demparse import *
from demo2 import Demo

import sys, struct, os

msgs = []

demonames = []

sourcedemname = sys.argv[1]
destdemname = sys.argv[2]
of = open(destdemname, 'wb')
of.write('-1\n')

d = Demo(sourcedemname)
for b in d:
    for m in b.filtered((Centerprint.code,)):
        break
    else:
        of.write(d.curblockdata)