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When I use find-grep in Emacs, this command is appeared. find . -type f -exec grep -nH -e {} +

I searched -n option in man grep. Why is not there? And What does it means?

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up vote 3 down vote accepted

From man grep on my computer:

  -n, --line-number
        Prefix each line of output with the line number within its
        input file.
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Sorry, I searched it again then I found the explanation. I must have been doing something completely wrong... – ironsand Sep 11 '13 at 11:27

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