Did you try, for example: print $myfile[-1];

That will suffer exactly the same problems. There is simply no way to know how many lines a file (with variable length lines) contains without reading the whole file.

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^2: Large text files into arrays, accessing final elements by BrowserUk
in thread Large text files into arrays, accessing final elements by isabella423

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