if that's what the OP means by "stdin or command line",

Seems it was.

you could also use -p instead of -n:

You could, but I wouldn't as it is less flexible than -n.

If you want to omit some lines from the output, you can't do that if you are also using -l

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
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In reply to Re^3: How to write a program to read stdin or command line? by BrowserUk
in thread How to write a program to read stdin or command line? by princepawn

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