> Aaron Sherman <[EMAIL PROTECTED]> wrote:
> while(<>) {
> $count++;
> $total += substr($_,22,2);
> }
> printf "Average: %.2f\n", $total/$count;
>
>Right now, if my expected numeric column has garbage in it on the
>400,000th line, I treat it as zero and go on, getting a meaningful
>result. If that garbage translates to NaN, then I'm going to get
>"Average: NaN" as my result? That's just freaky!
>
>
And in the spirit of hyper-operators doing the right thing when they expand
lists, perhaps garbage in this:
$product *= substr($_,22,2)
should numerify to 1.
Default numerification based on operator context. The identity value, IIRC.
NaN could be the default default, so to speak.
Philip
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