> -----Original Message-----
> From: mark crowe (JIC) [mailto:[EMAIL PROTECTED]]
> Sent: Monday, July 30, 2001 11:25 AM
> To: beginners
> Subject: eval and Data::Dumper
>
>
> Please can someone give me some advice about Data::Dumper. I
> have a program which will generate a large multidimensional
> array which I then want to import into another program. From
> what I remember from some posts a while ago (and can't find
> again now) I should be able to do this using Data::Dumper,
> and the Camel book and perldoc seem to agree. It's just I
> can't work out how to read the data back in. I've tried eval
> and do, and neither of them are working as I hoped. Here's
> some test code I've tried:
>
> use Data::Dumper;
> @array = qw(one two three);
> $string = Dumper(@array);
> @newarray = eval $string;
> print "@newarray";
>
> This outputs:
> $VAR1 = 'one';
> $VAR2 = 'two';
> $VAR3 = 'three';
> three
>
> I can print the Dumper output to a file and read it back in
> with do or eval and get the same problem, just getting the
> last value put into the array. Can someone point me in the
> right direction please?
Suggestions:
1. Pass reference to your array to Dumper():
$string = Dumper(\@array);
2. Read Data::Dumper docs and look at "Purity" and "Deepcopy" options.
3. Look at Storable module.
--
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
