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Mabooka % head -1 numbers.csv
462,393,252,996,663,603,344,439,139,259,879,766,545,192,477,986,317,77
+,611,303,79,742,190,556,538
...
Mabooka % diff f1 f2
Mabooka %

Mabooka % time perl -nle'my($a,$b,$c,$d,$e)=split /,/;$ta+=$a, $tb+=$b
+, $tc+=$c, $td+=$d, $te+=$e;END{print join " ", $ta,$tb,$tc,$td,$te}'
+ numbers.csv
2499084140 2499188390 2500073650 2497725180 2495867770
...
2499084140 2499188390 2500073650 2497725180 2495867770
18.520u 0.490s 0:12.52 151.8%   0+0k 0+0io 575pf+0w
Mabooka %

Mabooka % cat sum5.cut_n_awk
#
cat numbers.csv | cut -f1,2,3,4,5 -d, |awk -F, '{s1 += $1; s2 += $2; s
+3+= $3; s4+=$4; s5+=$5} END {printf  ("%.0f %.0f %.0f %.0f %.0f\n", s
+1, s2,s3,s4,s5)}'