On Jul 2, 2014, at 5:58 PM, Jerry Krinock <je...@ieee.org> wrote:

> What might it be doing at these 4K breaks that causes NSFileHandle’s 
> -availableData to stop?

As they said, the buffer of the pipe has a size of 4kbytes. So there cannot 
ever be more than 4k of available data at a time, because “available” means 
“sitting in the buffer ready to be copied out”.

—Jens
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