You all were right.

It turned out the log file had empty lines in it, for whatever reason our developers decided to stick them in there.

I easily solved it by simply doing: 

    next if $log_line =~ /^$/;

[download]
prior to 
    last if $log_line lt $earliest;

[download]

In reply to Re^2: Problem using File::ReadBackwards by vxp
in thread Problem using File::ReadBackwards by vxp

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