#! /usr/bin/env python
import screed, sys

fp = open('summary.txt', 'w')

total_bp = 0
total_seqs = 0
for m, filename in enumerate(sys.argv[1:]):
   print 'opening', filename
   file_bp = 0

   for n, record in enumerate(screed.open(filename)):
      if n % 100000 == 0 and n > 0:
         print '... %d, in %s -- %d of %d files' % (n, filename, m, len(sys.argv) - 1)
      file_bp += len(record.sequence)

   file_seqs = n

   print >>fp, '%d %d %s' % (file_seqs, file_bp, filename)

   total_bp += file_bp
   total_seqs += file_seqs

print >>fp, '%d %d %s' % (total_seqs, total_bp, 'total')