new_contents: import os
  import glob
  import sys
  
  # specify the input directory
  # something like 20* is fine if we want to take
  # care of the directories that begin in the 2000s
  
  search = sys.argv[1]
  
  os.system("rm *.txt")
  for f in glob.glob("{0}/*.tar.gz".format(search)):
      s = f.split("/")[-1].split(".")[0]
      y = f.split("/")[0]
      os.system("tar -xzf {0}".format(f))
      for t in glob.glob("*.txt"):
          os.system("cat {0} >> new/{0}".format(t, y))
      os.system("rm *.txt")
  
subject: add mechanism to build tsv