[EP-tech] Re: Random question: Eprint core fields

[Yuri]

Il 04/07/2012 17:19, Sebastien Francois ha scritto:
> Yuri,
>
> This will work:
>
> print $eprint->get_value( 'creators' )->[0];
>
> Or:
>
> print $eprint->get_value( 'creators' )->[0]->{name}->{given};
>
> (but that's not very pretty! :-))

->[0] is orrible and unthinkable :-)

>
> Perhaps you're confusing array and array refs:
>
> my @array = ( 'hello', 'world' );
> my $arrayref = [ 'hello', 'world' ];

I thought they was the same! :-o

>
> # both prints 'hello':
> print $array[0];
> print $arrayref->[0];

Thanks for the precious info! I've still a lot to learn about perl.

I love python but perl can still do a lot :-P

>
> Seb.
>
> On 04/07/12 16:12, Yuri wrote:
>> I agree. I  perl you can have an array, but [0] return error. If you
>> cicle on it, you get the results.
>>
>> You can try it with $eprint->get_value( 'creators' )[0]<- does not work
>>
>> returning $eprint->get_value( 'creators' ) gives an ARRAY *hex number*
>>
>> foreach my $c ( @{$creators} )
>>
>> works.
>>
>> I don't know why :-)
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