On 8/24/07, Dr.Ruud <[EMAIL PROTECTED]> wrote:
> Kirk Wythers schreef:
> > Gunnar Hjalmarsson:
> >> Kirk Wythers:
>
> >>> I don't see how $totals{$year}{$month}{count} ++; is holding the
> >>> count.
> >>
> >> Read about the auto-increment operator in "perldoc perlop".
> >
> > OK. I'll try and be more clear to the degree of my ignorance. First,
> > I do not understand the use of $totals in both the sum of the scalar
> > tmax, and the incremented count.
> >
> > # store totals by month as:
> > $totals{$year}{$month}{tmax} += $tmax;
> > ...
> > # keep track of the count
> > $totals{$year}{$month}{count} ++;
> >
> > I think what I am confused by is the relationship between the scalar
> > $tmax and the (whatever you call it) $totals{$year}{$month}{tmax}
> >
> > Therefore, if I want the sum of tmax, I'm not sure what is holding
> > the total of tmax. Is it $tmax, or $totals{$year}{$month}{tmax}?
> > The same goes for count. What is the holding the count?
> >
> > I guess I'm just used to the very simple $ as defining the scalar.
> >
> > SImilarly, if I want the average of $tmax, then I would want to
> > divide $totals{$year}{$month}{tmax} by $totals{$year}{$month}{count}
>
> Put
>
> use Data::Dumper;
> print Dumper $totals;
>
> at the end of the code.
snip
Shouldn't that be
print Dumper \%totals;
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