new_contents: #!/usr/bin/env python
  
  import rethinkdb as r
  
  conn = r.connect('localhost', 30815, db='materialscommons')
  rql = r.table('datafiles').filter(r.row['usesid'].match("^[0-9a-f]")).pluck('size')
  total_bytes = 0
  total_files = 0
  for doc in rql.run(conn):
      total_bytes = total_bytes + doc['size']
      total_files = total_files + 1
  
  print "Total bytes = %s for %d dups" %(format(total_bytes, ",d"), total_files)
  
subject: Add in script to count duplicates.