kotlin-stdlib/kotlin.io/forEachBlock

forEachBlock

fun File.forEachBlock(action: (buffer: ByteArray, bytesRead: Int) -> Unit)(source)

Reads file by byte blocks and calls action for each block read. Block has default size which is implementation-dependent. This functions passes the byte array and amount of bytes in the array to the action function.

You can use this function for huge files.

Since Kotlin

1.0

Parameters

action

function to process file blocks.

fun File.forEachBlock(blockSize: Int, action: (buffer: ByteArray, bytesRead: Int) -> Unit)(source)

Reads file by byte blocks and calls action for each block read. This functions passes the byte array and amount of bytes in the array to the action function.

You can use this function for huge files.

Since Kotlin

1.0

Parameters

action

function to process file blocks.

blockSize

size of a block, replaced by 512 if it's less, 4096 by default.