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- #!/usr/bin/env python
- import sys
- from struct import unpack
- from vb import vb_decode
- if len(sys.argv) < 2:
- print "usage: %s in.txt > out.txt" % sys.argv[0]
- sys.exit(1)
- fp = open(sys.argv[1], 'rb')
- while True:
- bytes = fp.read(8)
- if not bytes:
- break
- (tag_len, id_list_len) = unpack('2i', bytes)
- tag = fp.read(tag_len)
- id_list = []
- pre = 0
- for id in vb_decode(fp.read(id_list_len)):
- id_list.append('%s' % (id + pre))
- pre = id + pre
- sys.stdout.write('%s\t%s\n' % (tag, ','.join(id_list)))
- fp.close()
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