Why cat the whole file just to discard all but the first four lines:

my @foo = `head -4 very_large_file`;

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With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
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.
I'm with torvalds on this Agile (and TDD) debunked I told'em LLVM was the way to go. But did they listen!

In reply to Re^3: Slicing the output of a command by BrowserUk
in thread Slicing the output of a command by fbicknel

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