Hi Christian.
On Thursday 04 November 2010 11:16:46 Christian Stalp wrote:
> Hello together,
> I try to write some arrays into arrays using references.
>
> my ($a, $b, $c, @mytemp, $myref, @my_globael_array)
Your code won't compile - you've mis-spelt "global" and you're missing a
trailing semicolon. Also you shouldn't call lexical variables "$a" and "$b"
because it interferes with the built-in $a and $b ones used for sorting.
>
> while(<$myfile>)
> {
> ($a, $b $c ) = getparameter();
Missing a comma here.
> @mytemp = ($a, $b, $c);
> $myref = \...@mytemp;
> push(@my_global_array, $myref);
Your problem is that you're using the same physical array everytime when
pushing its arrray ref to @my_global_array.
Either:
1. Do:
push @my_global_array, [...@mytemp];
Or:
2. Declare @mytemp using my inside the loop, so you'll get a different
instance any time.
You don't need $myref here for anything, and you can do <<my @mytemp =
getparameter();>>.
Finally, it is a bad practice to declare all the variables at the top, as code
like yours demonstrates.
Regards,
Shlomi Fish
> }
>
> But if I dismantle @my_global_array I get only the last entry, the last
> array.
>
> Where is the problem?
>
> Thank you all
>
> Christian
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Shlomi Fish http://www.shlomifish.org/
Rethinking CPAN - http://shlom.in/rethinking-cpan
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