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  1. or download this
    $ csv-check ozone_2007.csv
    Checked ozone_2007.csv  with csv-check 1.5 using Text::CSV_XS 0.80
    ...
    
    printf "Data size = %d, total size = %d\n", size ($dta), total_size ($
    +dta);
    $
    
  2. or download this
    $ perl -MDevel::Size -MText::CSV_XS -wle'print Devel::Size::total_size
    +(Text::CSV_XS->new()->getline_all(*ARGV))' ozone_2007.csv
    409046824
    $