How do I iterate over all bytes in an inputStream using Groovy, given that it lacks a do-while statement?

Question

Given that Groovy does not have a do-while statement, how can I iterate over all bytes in an input stream?

Per a previous version of the Groovy user guide:

Answer 1

The groovy (version 1.8+) way would be like this:

inputStream.eachByte(BUFFER_SIZE) { buffer, numRead ->
    ...
}