In case it isn't clear, $s is for start, the line to start on. For $fileLastLine I used: 
my $fileLastLine = `wc -l ${filename}`;
chomp $fileLastLine;
$fileLastLine = int ($fileLastLine);

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In reply to Re^4: Displaying/buffering huge text files by mjbiren
in thread Displaying/buffering huge text files by spurperl

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