martinheidegger/block-cache

`.createReadStream`](#cache.createReadStream) methods instead. - `cache` is the [`Cache`](#Cache) instance to use. - `path` is the path of the file to read. - `opts.blkSize` is the block size for each block to be cached. Defaults to the `opts.blkSize` defined in the `Cache`. (integer). --- <a name="cachedFile.close"></a> ```javascript cachedFile.close([cb]) ``` Closes a created file pointer reference. After closing, future requests on the `CachedFile` will result in an `err.code === 'ERR_CLOSED` error. - `cb(Error)` is an optional async callback handler method. The method will return a `Promise` if the callback is not defined. --- <a name="cachedFile.read"></a> ```javascript cachedFile.read([buffer, offset, length, position, cb]) ``` Reads the content of an opened file into a given buffer. - `buffer` is a [`Buffer`](https://nodejs.org/api/buffer.html) instance to write into. Unlike the Node API, this is optional which means that the reader will create a buffer instance if `null` or `undefined` is passed