write bytes to file in scala

gistfile1.scala

val byteArray: Array[Byte] = Array(1,2)
val bos = new BufferedOutputStream(new FileOutputStream(filename))
Stream.continually(bos.write(byteArray))
bos.close() // You may end up with 0 bytes file if not calling close.

There is misusing of "continually". You don't have any operation to execute continually here. Makes absolutely the same as:

val byteArray: Array[Byte] = Array(1,2)
val bos = new BufferedOutputStream(new FileOutputStream(filename))
bos.write(byteArray)
bos.close() // You may end up with 0 bytes file if not calling close.

Here is good example of use "continually":

val bytes = new Array[Byte](1024) //1024 bytes - Buffer size
Stream
.continually (input.read(bytes))
.takeWhile (-1 !=)
.foreach (read=>output.write(bytes,0,read))
output.close()