CountingInputStream

An input stream that counts the number of bytes read from an underlying input stream.

The CountingInputStream class

The CountingInputStream class is a subclass of InputStream that reads data from an underlying input stream and counts the number of bytes read.

val inputStream: InputStream = ...
val countingStream = inputStream.countingStream

It has all the methods of the InputStream class.

The CountingInputStream class provides a method to get the number of bytes read:

val inputStream: InputStream = ...
val countingStream = inputStream.countingStream
val bytesRead = countingStream.count