On Mar 1, 2:32 pm, telemac...@arpinum.org (Telemachus) wrote:
> On Sun Mar 01 2009 @ 1:04, Octavian Râsnita wrote:
>
>
>
> > From: "prasath_linux" <prasath....@gmail.com>
> >> Hi,
>
> >> Is there any possible function to print the associative array. We
> >> have print_r() function in PHP to display the associative array.
> >> Likwise is there any function in perl to print associative array.
>
> >> Thanks in advance.
>
> > You can use:
>
> > use Data::Dump qw(pp);
>
> > my %hash = (a => 1, b => 2);
>
> > print pp(\%hash);
>
> > Octavian
>
> Just a note - Data::Dump is not a core module, so the first step would be
> to install it and then try Octavian's program.
>
> You could also use the less pretty, but very functional, Data::Dumper
> (which is a core module, so no extra installation is required):
>
> use Data::Dumper;
>
> my %hash = (a => 1, b => 2);
>
> print Dumper \%hash;
>
> Even more generally, if you want to work on everything in a hash, you can
> iterate over its keys or key/value pairs using the 'keys' or 'each' keyword:
>
> foreach my $key (keys %hash) {
> print "$key => $hash{$key}\n";
> }
>
> while ( my ($key, $value) = each %hash ) {
> print "$key => $value\n";
> }
>
> Hope this helps, T
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