import os
root = "/home/guillaume/share/CorpCDOs/Collaterals"
for dealname in os.listdir(root):

    with open( os.path.join(root, dealname), "r") as fh:
        # import pdb; pdb.set_trace()
        header = fh.readline().rstrip().split("\t")
        if "Underlying Deal" in header:
            print dealname
        line = fh.readline().split("\t")
        if line[0] == "Sum/WAVG":
            print dealname