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Efficient way to sum columns in a file

by sk (Curate)
on Apr 13, 2005 at 04:51 UTC ( #447263=perlquestion: print w/ replies, xml ) Need Help??

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  1. or download this
    cut -d, -f7 in.csv| perl -nle '$sum += $_; print ("Sum = $sum") if eof
    +;'
    

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