class Net::SSH::Buffer

text in the buffer. This method will increment the pointer.
the read position. If +count+ is +nil+, this will return all remaining
Reads and returns the next +count+ bytes from the buffer, starting from

def read(count = nil)
  count ||= length
  count = length - @position if @position + count > length
  @position += count
  @content[@position - count, count]
end