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