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Re: Simple IF, IF, IF or ELSE

by ikegami (Patriarch)
on Jun 28, 2006 at 20:48 UTC ( [id://558145]=note: print w/replies, xml ) Need Help??


in reply to Simple IF, IF, IF or ELSE

That doesn't quite work. Try it for coffee, and you get 'unknown'. Fix: 
if    ($punter eq 'coffee') { $drink = 'non alky';    }
elsif ($punter eq 'beer'  ) { $drink = 'alky';        }
elsif ($punter eq 'whisky') { $drink = 'proper alky'; }
else                        { $drink = 'unknown';     }

[download]
Alternative: 
my %lookup = (
   'coffee' => 'non alky',
   'beer'   => 'alky',
   'whisky' => 'proper alky',
);

if (exists $lookup{$punter}) {
   $drink = $lookup{$punter};
} else {
   $drink = 'unknown';
}

[download]

Replies are listed 'Best First'.
Re^2: Simple IF, IF, IF or ELSE
by dsheroh (Monsignor) on Jun 28, 2006 at 22:02 UTC
    Just to compress your alternative method a little bit more: 
    my %lookup = (
   'coffee' => 'non alky',
   'beer'   => 'alky',
   'whisky' => 'proper alky',
);

$drink = exists $lookup{$punter} ? $lookup{$punter} : 'unknown';
# or another option:
# $drink = $lookup{$punter} || 'unknown';

    [download]
[reply]
[d/l]

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