japhy,
you are correct. That it what I wanted to convey. But with
everyone's input I understand what I was missing.
thanks again,
chad
On Tue, 2002-10-15 at 12:59, Jeff 'japhy' Pinyan wrote:
> On Oct 15, Rob said:
>
> >From: "chad kellerman" <[EMAIL PROTECTED]>
> >
> >> $hits{$hour} = $hits{$hour}+1;
> [snip]
> >> $hits{$hour} = $hits{$hour}+1;
> >>
> >> What it the best way to create a counter?
> >>
> >> I have seen $var++, it would not work here I had to use +1.
> >
> >But I'd be interested to know why you had to use '+ 1'?
>
> You are misinterpreting Chad's problem. Chad didn't show EXACTLY the ++
> code he used, but I think I know. Chad originally tried:
>
> $hits{$hour} = $hits{$hour}++;
>
> but it did not work. Why? Because $hits{$hour}++ returns the PREVIOUS
> value of $hits{$hour} (0 in this case), then increments it by 1. BUT then
> $hits{$hour} gets set back to 0 (the returned value).
>
> Chad, you do not need to assign to $hits{$hour} again. Simply saying
>
> $hits{$hour}++;
>
> or, more computer-scientifically,
>
> ++$hits{$hour};
>
> is sufficient.
>
> --
> Jeff "japhy" Pinyan [EMAIL PROTECTED] http://www.pobox.com/~japhy/
> RPI Acacia brother #734 http://www.perlmonks.org/ http://www.cpan.org/
> ** Look for "Regular Expressions in Perl" published by Manning, in 2002 **
> <stu> what does y/// stand for? <tenderpuss> why, yansliterate of course..
> [ I'm looking for programming work. If you like my work, let me know. ]
>
--
Chad Kellerman
Jr. Systems Administrator
Alabanza Inc
410-234-3305
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