Dump the data structure for printing.
It's useful for checking the complex data strucure of Perl.
For example,
use Data::Dumper;
my %hash = ( 1 => [1,2,3,4],
2 => { 1 => { 2 => [3,4,5] } },
);
print Dumper \%hash;
Run it and see what is printing.
Also you could check out its document:
http://search.cpan.org/~smueller/Data-Dumper-2.126/Dumper.pm
2010/5/17 ben perl <ben.pe...@gmail.com>:
> What is the use of Data::Dumper module?
>
> can any body please give examples?
>
> Have been using perl for some time and never used this module. Not sure if i
> am missing something by not using it.
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