bytes() public

Returns an enumerator that gives each byte (0..255) in ios. The stream must be opened for reading or an IOError will be raised. 

   f = File.new("testfile")
   f.bytes.to_a  #=> [104, 101, 108, 108, 111]
   f.rewind
   f.bytes.sort  #=> [101, 104, 108, 108, 111]
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