Instance Method

readFile(at:chunkSize:onRead:)

Reads the contents of a file at the supplied path in chunks.

@preconcurrency func readFile(at path: String, chunkSize: Int = NonBlockingFileIO.defaultChunkSize, onRead: @escaping @Sendable (ByteBuffer) -> EventLoopFuture<Void>) -> EventLoopFuture<Void>

Parameters

path: Path to file on the disk.
chunkSize: Maximum size for the file data chunks.
onRead: Closure to be called sequentially for each file data chunk.

Return Value

Future that will complete when the file read is finished.

Discussion

try req.fileio.readFile(at: "/path/to/file.txt") { chunk in
    print("chunk: \(data)")
}.wait()