import asyncio
import aioredis


async def main():
    """Scan command example."""
    redis = await aioredis.create_redis(
        'redis://localhost')

    await redis.mset('key:1', 'value1', 'key:2', 'value2')
    cur = b'0'  # set initial cursor to 0
    while cur:
        cur, keys = await redis.scan(cur, match='key:*')
        print("Iteration results:", keys)

    redis.close()
    await redis.wait_closed()


if __name__ == '__main__':
    import os
    if 'redis_version:2.6' not in os.environ.get('REDIS_VERSION', ''):
        asyncio.get_event_loop().run_until_complete(main())