#!/usr/bin/env python

# Copyright (c) 2014, Bo Tian <tianbo@gmail.com>
# All rights reserved.

# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:

# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.

# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation and/or
# other materials provided with the distribution.

# 3. Neither the name of the copyright holder nor the names of its contributors may
# be used to endorse or promote products derived from this software without specific
# prior written permission.

# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
# SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

import sys


def main():
  


def extract_symbols(input_file, output_file):
  fin = open(input_file, 'r')
  fout = open(output_file, 'w')
  for line in fin:
    if '|' in line:
      cols = line.split('|')
      if not '$' in cols[1]:  # Skip preferred shares, warrant etc.
        symbol = cols[1].replace('.', '-')  # e.g., BRK.B -> BRK-B for Yahoo finance.
        fout.write(symbol + '\n')
  fin.close()
  fout.close()
    
if __name__ == "__main__":
    main()

args = sys.argv
  print str(args)
  extract_symbols(args[1], args[2])