in reply to Re^2: Split file, first 30 lines only
in thread Split file, first 30 lines only

That's correct. That is why I said "If on unix".

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Re^4: Split file, first 30 lines only
by marto (Cardinal) on Mar 01, 2017 at 13:44 UTC

    I don't see a logical argument for suggesting backticks to a system command, when safer, portable options exist.