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  • Can you explain how this works a bit? Commented Aug 28, 2014 at 15:16
  • sure, give me 5 mins.. Commented Aug 28, 2014 at 15:17
  • Also on one of the other A's the OP said he needs the A to be in sed. Commented Aug 28, 2014 at 15:23
  • @slm he wants the solution in sed only? If yes, then i'll delete mine. Commented Aug 28, 2014 at 15:25
  • Yes apparently the person asking the Q wanted sed, at least that's the comment he left for choroba. Commented Aug 28, 2014 at 15:29