def run(args):
path = args['--path'] if args['--path'] else None
method = args['--method'] if args['--method'] else 'sha1'
bf = BFS(path=path, method=method)
if args['--write']:
id, size = bf.fwrite(args['--write'])
print(id, size)
elif args['--read']:
print(bf.read(args['--read']))
elif args['--stat']:
print(bf.stat())
elif args['--show']:
for i in bf.get_all_id():
print(i)
