Re: Hash in Perl

Thank you to all well explanation to all.. one more problem i have Thank you well explanation.

my%hash = (Script => "Perl",
              script_1=>"Ruby",
              script_2=> "PHP");

 for my$k (keys %{my$href}) {
          print "$k => ${$href}{$k}\n";
        }
[download]

it showing Global symbol $href requires explicit package name.why this error.?

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Re^2: Hash in Perl by Lennotoecom (Pilgrim) on Jan 02, 2014 at 07:20 UTC
because $href you're using is not defined at least in this snippet `for my $k (keys %hash) { print "$k => $hash{$k}\n"; }` [download]	[reply] [d/l]
Re^3: Hash in Perl by rammohan (Acolyte) on Jan 02, 2014 at 07:26 UTC
Ya but in perldoc showing like `for my $key (keys %{$href}) { print "$key => ${$href}{$key}\n";` [download] this also please see and tell me http://perldoc.perl.org/perlreftut.html	[reply] [d/l]
Re^4: Hash in Perl by Lennotoecom (Pilgrim) on Jan 02, 2014 at 07:29 UTC
`my %hash = (Script => "Perl", script_1=>"Ruby", script_2=> "PHP"); $href = \%hash; for my $k (keys %{$href}) { print "$k => ${$href}{$k}\n"; }` [download]	[reply] [d/l]