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Groups > comp.lang.ruby > #3593

Re: File position and buffers

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This shows the output better:

e = input.enum_for(:each) #You can do this for a File too.

e.each_slice(2) do |buffer1, buffer2|
  puts "buffer1: #{buffer1.inspect}"
  puts "buffer2: #{buffer2.inspect}"
  puts "-" * 10
end

--output:--
buffer1: ">entry1\n11111111111\n\n"
buffer2: ">entry2\n22222222222\n\n"
----------
buffer1: ">entry3\n33333333333\n"
buffer2: nil
----------

Before doing the sub() on buffer2, you will have to check if its nil:

  if buffer2.nil?
    #don't do a sub()
  else
    #do the sub()
  end

-- 
Posted via http://www.ruby-forum.com/.

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Thread

File position and buffers Cee Joe <cyril_jose@ymail.com> - 2011-04-27 15:02 -0500
  Re: File position and buffers Jesús Gabriel y Galán <jgabrielygalan@gmail.com> - 2011-04-27 16:47 -0500
  Re: File position and buffers jake kaiden <jakekaiden@yahoo.com> - 2011-04-27 17:33 -0500
  Re: File position and buffers 7stud -- <bbxx789_05ss@yahoo.com> - 2011-04-27 19:08 -0500
  Re: File position and buffers 7stud -- <bbxx789_05ss@yahoo.com> - 2011-04-27 19:50 -0500
  Re: File position and buffers Robert Klemme <shortcutter@googlemail.com> - 2011-04-28 02:54 -0500
    Re: File position and buffers 7stud -- <bbxx789_05ss@yahoo.com> - 2011-04-28 13:06 -0500
      Re: File position and buffers 7stud -- <bbxx789_05ss@yahoo.com> - 2011-04-28 13:25 -0500
        Re: File position and buffers Cee Joe <cyril_jose@ymail.com> - 2011-04-28 13:29 -0500
  Re: File position and buffers Cee Joe <cyril_jose@ymail.com> - 2011-04-28 09:06 -0500
  Re: File position and buffers 7stud -- <bbxx789_05ss@yahoo.com> - 2011-04-28 12:47 -0500
    Re: File position and buffers Cee Joe <cyril_jose@ymail.com> - 2011-04-28 13:27 -0500
      Re: File position and buffers 7stud -- <bbxx789_05ss@yahoo.com> - 2011-04-28 18:31 -0500
        Re: File position and buffers Cee Joe <cyril_jose@ymail.com> - 2011-04-28 20:05 -0500
  Re: File position and buffers 7stud -- <bbxx789_05ss@yahoo.com> - 2011-04-28 21:58 -0500
    Re: File position and buffers Cee Joe <cyril_jose@ymail.com> - 2011-04-29 10:20 -0500
  Re: File position and buffers jake kaiden <jakekaiden@yahoo.com> - 2011-04-28 22:36 -0500
  Re: File position and buffers 7stud -- <bbxx789_05ss@yahoo.com> - 2011-04-29 12:50 -0500
    Re: File position and buffers Cee Joe <cyril_jose@ymail.com> - 2011-04-29 13:32 -0500
      Re: File position and buffers 7stud -- <bbxx789_05ss@yahoo.com> - 2011-04-29 17:45 -0500
  Re: File position and buffers jake kaiden <jakekaiden@yahoo.com> - 2011-04-29 15:38 -0500
  Re: File position and buffers Cee Joe <cyril_jose@ymail.com> - 2011-04-29 16:10 -0500

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