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Read file by chunk size

class File   def each_chunk(chunk_size=4)     yield read(chunk_size) until eof?   end end open('pipe_separated_records', 'w') do |f|   f << "This is record one.|This is record two.|This is record three." end open("pipe_separated_records") do |f|   f.each_chunk(2) { |chunk| puts chunk } end