Thank you for so many people give me the answers. The solution can be
grep -v '^$' myfile | wc -l
sed -e '/^$/d' <file> | wc -l
nl file|sort|uniq|wc -l
cat -n file |tail will do the trick.
My original post:
>I have SOLARIS 2.5 installed. I tried to count how many NONE empty line
>on a file. No matter I use "nl file|wc -l" or "nl -bt file|wc -l", it
>still count empty line as a line. Does anyone can tell me what i am
>wrong? Does their has any other utility can do the same thing? Thank
>you for help.
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