Just with map:

use strict;
use warnings;
use Data::Dumper;

my $orig = { 'foo' => 2, 'bar' => 4, 'boo' => 1, 'zar' => 5 };
my $dest;

map { /oo/ and $dest->{$_} = $orig->{$_} } keys %$orig;

print Dumper $dest;

__END__
Output:
$VAR1 = {
          'boo' => 1,
          'foo' => 2
        };

[download]


hth,
PooLpi

'Ebry haffa hoe hab im tik a bush'. Jamaican proverb

In reply to Re: grep for hash? by poolpi
in thread grep for hash? by rovf

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