Gossamer Forum: Products: Gossamer Links: Discussions: Round Rating to one decimal?

Aug 29, 2003, 10:46 AM

Chas-a

User (194 posts)

Aug 29, 2003, 10:46 AM

Post #1 of 11

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Round Rating to one decimal?

Hi,

What would you recommend as a good way to change the rating value <%Rating%> to one decimal place?

As my LinksSQL sites currently in testing all the current values for sites listed there are 0.00 (default value).

Would it simply be a case of changing the Rating Column to one decimal which would require me to update the 200 or so links in LinksSQL?

or would it be possable with a Global, that is a working Global unlike the one below:

sub {
my $rating_value = $rec->{'Rating'};
my $rounded = round($rating_value);
return $rounded;
}

thanks.

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Aug 29, 2003, 10:49 AM

Andy

Veteran / Moderator (18441 posts)

Aug 29, 2003, 10:49 AM

Post #2 of 11

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Re: [Chas-a] Round Rating to one decimal? In reply to

You could use something like;

<%global_name($Rating)%>

Code:
sub { 

my $Rating = shift; 

if ($Rating eq "0.00") { return "0"; } else { return $Rating; } 

}

That will show '0' for links that don't have a rating, and the full rating number if its something else (i.e. 4.50).

Is that what you are asking?

Cheers

Andy (mod)
andy@ultranerds.co.uk

Aug 29, 2003, 1:31 PM

Mizuno

Novice (21 posts)

Aug 29, 2003, 1:31 PM

Post #3 of 11

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Re: [Andy] Round Rating to one decimal? In reply to

sprintf is best for rounding numbers.

Code:
my $rounded = sprintf("%.0f", $non_rounded);

If you were to use your method you should use

$Rating == 0.00

...instead of

$Rating eq "0.00"

Infact you can just do

$Rating == 0

..as 0 and 0.00 are the same thing.

Aug 29, 2003, 1:40 PM

Andy

Veteran / Moderator (18441 posts)

Aug 29, 2003, 1:40 PM

Post #4 of 11

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Re: [Mizuno] Round Rating to one decimal? In reply to

Sorry, I mis-read the question. Yeah, sprintf() would be better for changing it to 1 d.p ... I thought he wanted it to show '0' only if it was equal to "0.00".

BTW, the code $var eq "0.00" is the same as $var == "0.00" ... $Rating == 0.00 may even give you an ISE, as it isn't quoted... I'm probably wrong on that one though Tongue

Cheers

Andy (mod)
andy@ultranerds.co.uk

Aug 29, 2003, 2:27 PM

Chas-a

User (194 posts)

Aug 29, 2003, 2:27 PM

Post #5 of 11

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Re: [Andy] Round Rating to one decimal? In reply to

Thanks for your help guys :)

Here's what i've got so far:

# round_rating Global

sub {
my $non_rounded = $rec->('Rating');
my $rounded = sprintf("%.0f", $non_rounded);
return $rounded;
}

which im calling using Rating: <%round_rating%>

outputs> Rating: Unable to compile 'round_rating':

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Aug 29, 2003, 3:07 PM

Mizuno

Novice (21 posts)

Aug 29, 2003, 3:07 PM

Post #6 of 11

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Re: [Chas-a] Round Rating to one decimal? In reply to

Quote:

my $non_rounded = $rec->('Rating');

This bit is wrong. It should be:

Code:
my $rec = shift; 
my $non_rounded = $rec->{Rating};

Aug 29, 2003, 3:18 PM

Chas-a

User (194 posts)

Aug 29, 2003, 3:18 PM

Post #7 of 11

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Re: [Mizuno] Round Rating to one decimal? In reply to

Thats the one, cheers!

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Aug 29, 2003, 11:51 PM

Andy

Veteran / Moderator (18441 posts)

Aug 29, 2003, 11:51 PM

Post #8 of 11

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Re: [Mizuno] Round Rating to one decimal? In reply to

... or, call it with;

Code:
<%round_rating($Rating)%>

... and then change;

Code:
my $non_rounded = $rec->('Rating');

to...

Code:
my $non_rounded = shift;

... which I think is faster, because you are only loading the variable, instead of the whole %ref.

Cheers

Andy (mod)
andy@ultranerds.co.uk

Aug 30, 2003, 9:54 AM

Mizuno

Novice (21 posts)

Aug 30, 2003, 9:54 AM

Post #9 of 11

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Re: [Andy] Round Rating to one decimal? In reply to

The list of tags doesn't have to be loaded, it already exists in memory so there will be no speed difference.

It may even be quicker as the parser doesn't have to parse any custom arguments.