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45# readBitmap
read bitmap from redis
---
## Quick Start
### Install
`npm i --save readbitmap`
### Basic Usage
```js
const readBitmap = require('readbitmap')
readBitmap('testBit').then((res) => {
console.log(res)
})
// [0, 12, 13, 100]
// or connect remote redis server
const readBitmap = require('readbitmap')
readBitmap('testBit', { host: 'redis_host', port: 3306 }).then((res) => {
console.log(res)
})
// or read buffer
const readBitmap = require('readbitmap')
readBitmap(Buffer.from('0123')).then((res) => {
console.log(res)
})
```
### Params
The first param is redis bitmap key or buffer, redis config can`t work if you use buffer.
The second param is redis config, you can see [ioredis](https://github.com/luin/ioredis#connect-to-redis) to get more infomation to connect redis.
## License
MIT