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  • What is it you are looking for? You mention you want to learn. However on this site you are likely to receive pre-chewed answers that may not advance your learning that much. One tip; you seem to believe that "i" has some special meaning. In the samples posted "i" is nothing more than the letter "i". Commented Oct 22, 2015 at 7:43
  • Edited the question. Hope u will understand. At least give some pointers to resolve the issue, instead of ignoring it. Commented Oct 22, 2015 at 8:46
  • Since your data appears to consist of structured data records, I'd look at using awk or perl in 'paragraph mode' rather than sed. FWIW I don't see the relevance of the ksh tag here since you seem to be looking for a solution using external text-processing tools rather than the shell itself. Commented Oct 22, 2015 at 10:17
  • @steeldriver yes i am also working on different options like i had used grep -n -w filename.txt but still i am not fully satisfied. Commented Oct 22, 2015 at 10:21
  • OK so here's a freebie to get you started: awk 'BEGIN{RS=""} END{print NR}' Commented Oct 22, 2015 at 10:30