Or a good ol' one-liner :

perl -Mstrict -MList::Util=sum -wlne 'my @a = grep $_, split /,/; print shift @a, ":", sum(@a) / @a"' test.dat

In reply to Re: Calculating Row Averages From a CSV File by Prof Vince
in thread Calculating Row Averages From a CSV File by rayv

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